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Our biochemicals, antibodies, recombinant proteins, cell culture media and molecular biology kits are used in virtually all scientific applications.From affordable research quantities to larger bulk amounts.

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(2R,4S)-4-((t-Butoxycarbonyl)amino)-2-hydroxy-2,6-dimethyl-3-oxoheptyl Acetate (2R,4S)-4-((t-Butoxycarbonyl)amino)-2-hydroxy-2,6-dimethyl-3-oxoheptyl Acetate is an intermediate in synthesizing Carfilzomib (2S,4S)-Diol (C183495), a derivative of Carflizomib (C183460), which is a second-generation proteasome inhibitor that is used as a treatment in relapsed and refractory multiple myeloma. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 5mg, 10mg. Molecular Formula: C16H29NO6, Molecular Weight: 331.4. US Biological Life Sciences. USBiological 1
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(2R,4S,5S)-Lopinavir (2R,4S,5S)-Lopinavir (Lopinavir EP Impurity P) is a diastereomer of Lopinavir (L469480); a selective HIV protease inhibitor and antiviral. Group: Biochemicals. Grades: Highly Purified. CAS No. 1217628-64-2. Pack Sizes: 1mg. Molecular Formula: C37H48N4O5, Molecular Weight: 628.799999999999. US Biological Life Sciences. USBiological 1
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(2R,4S)-Benzyl 5-oxo-2,4-diphenyloxazolidine-3-carboxylate (2R,4S)-Benzyl 5-oxo-2,4-diphenyloxazolidine-3-carboxylate is an intermediate in the preparation of Rolapitant (R639800). Rolapitant is an NK1 receptor antagonist that is used in the treatment of chemotherapy-induced nausea and vomiting. Group: Biochemicals. Grades: Highly Purified. CAS No. 205654-80-4. Pack Sizes: 250mg, 1g. Molecular Formula: C23H19NO4, Molecular Weight: 373.4. US Biological Life Sciences. USBiological 1
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(2R,4S)-Boc-4-hydroxypiperidine-2-carboxylic acid (2R,4S)-Boc-4-hydroxypiperidine-2-carboxylic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 917835-93-9. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g. US Biological Life Sciences. USBiological 1
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(2R,4S)-Boc-4-hydroxypiperidine-2-carboxylic acid 98+% (HPLC) (2R,4S)-Boc-4-hydroxypiperidine-2-carboxylic acid 98+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 100mg, 250mg, 1g, 5g. US Biological Life Sciences. USBiological 1
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(2R,4S)-Boc-4-phenyl-pyrrolidine-2-carboxylic acid (2R,4S)-Boc-4-phenyl-pyrrolidine-2-carboxylic acid. Group: Biochemicals. Alternative Names: (2R,4S)-Boc-4-phenyl-Pro-OH. Grades: Highly Purified. CAS No. 144069-70-5. Pack Sizes: 25mg, 50mg, 100mg, 250mg, 500mg. US Biological Life Sciences. USBiological 1
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(2R,4S)-Boc-4-phenyl-pyrrolidine-2-carboxylic acid 99+% (HPLC) (2R,4S)-Boc-4-phenyl-pyrrolidine-2-carboxylic acid 99+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 100mg, 250mg, 1g. US Biological Life Sciences. USBiological 1
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(2R,4S)-Fmoc-4-hydroxypiperidine-2-carboxylic acid (2R,4S)-Fmoc-4-hydroxypiperidine-2-carboxylic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 917099-02-6. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g. US Biological Life Sciences. USBiological 1
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(2R,4S)-Fmoc-4-hydroxypiperidine-2-carboxylic acid ≥97% (HPLC) (2R,4S)-Fmoc-4-hydroxypiperidine-2-carboxylic acid ≥97% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 100mg, 250mg, 1g. US Biological Life Sciences. USBiological 1
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(2R,4S)-Itraconazole-d5 (Mixture of Diastereomers) Isotope labelled (2R,4S)-Itraconazole is an enantiomer of Itraconazole (I937500), an orally active antimycotic structurally related to Ketoconazole. Antifungal. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg, 2mg. Molecular Formula: C35H33D5Cl2N8O4, Molecular Weight: 710.66. US Biological Life Sciences. USBiological 1
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(2R,4S)-rel-4-Methyl-1,2-piperidinedicarboxylic Acid 1-(1,1-Dimethylethyl) Ester (2R,4S)-rel-4-Methyl-1,2-piperidinedicarboxylic Acid 1-(1,1-Dimethylethyl) Ester has been used in the preparation of homoproline (H605000), a GABA-uptake inhibitor derived from proline. Group: Biochemicals. Grades: Highly Purified. CAS No. 187752-72-3. Pack Sizes: 100mg, 250mg. Molecular Formula: C12H21NO4, Molecular Weight: 243.3. US Biological Life Sciences. USBiological 1
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(2R,4S)-Sacubitril-O-isobutane (2R,4S)-Sacubitril-O-isobutane is an intermediate in the synthesis of (2S,4S)-Sacubitril (S080915). (2S,4S)-Sacubitril is an impurity of Sacubitril (S080895) which is an antihypertensive drug used in combination with valsartan. Group: Biochemicals. Grades: Highly Purified. CAS No. 149709-64-8. Pack Sizes: 500ug, 1mg. Molecular Formula: C28H37NO5. US Biological Life Sciences. USBiological 1
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(2R,4S)-Teneligliptin (2R,4S)-Teneligliptin is a stereoisomer of Teneligliptin (T018300, HBr); a dipeptidyl peptidase-4 (DPP-4) inhibitor that is used to treat type 2 diabetes. It is eliminated via excretion and has a half-life of 24.2 hours in the human body. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 5mg, 50mg. Molecular Formula: C22H30N6OS, Molecular Weight: 426.58. US Biological Life Sciences. USBiological 1
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(2R)-5,7-Dimethoxyflavanone (2R)-5,7-Dimethoxyflavanone. Group: Biochemicals. CAS No. 1277188-85-8. Pack Sizes: 5mg. US Biological Life Sciences. USBiological 1
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(2R)-5-Methoxy-1,3-oxathiolane-2-methanol Intermediate in the preparation of Lamivudine. Group: Biochemicals. Grades: Highly Purified. CAS No. 528567-32-0. Pack Sizes: 50mg. US Biological Life Sciences. USBiological 1
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(2R)-5-Methoxy-1,3-oxathiolane-2-methanol 2-Benzoate Intermediate in the preparation of Lamivudine. Group: Biochemicals. Alternative Names: (2R)-5-Methoxy-1,3-oxathiolane-2-methanol Benzoate. Grades: Highly Purified. CAS No. 528567-33-1. Pack Sizes: 25mg. US Biological Life Sciences. USBiological 1
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(2R,5R)-2,5-Hexanediol (2R,5R)-2,5-Hexanediol. Group: Biochemicals. Alternative Names: (2R,5R)-2,5-Dihydroxyhexane. Grades: Highly Purified. CAS No. 17299-07-9. Pack Sizes: 250mg, 500mg, 1g, 2g, 5g. US Biological Life Sciences. USBiological 1
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(2R,5R)-(+)-5-Benzyl-3-methyl-2-(5-methyl-2-furyl)-4-imidazolidinone (2R,5R)-(+)-5-Benzyl-3-methyl-2-(5-methyl-2-furyl)-4-imidazolidinone is a reactant used in the preparation of allyl heterocycles using palladium-catalyzed allylic amination of allylic alcohols with heterocycles. Group: Biochemicals. Grades: Highly Purified. CAS No. 877303-84-9. Pack Sizes: 50mg, 100mg. Molecular Formula: C16H18N2O2, Molecular Weight: 270.33. US Biological Life Sciences. USBiological 1
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(2R,5R)-Avibactam Sodium Salt (2R,5R)-Avibactam Sodium Salt is an isomer of Avibactam Sodium Salt (A794850); a novel β-lactamase inhibitor with a non-lactam structural scaffold. Avibactam irreversibly inhibits lactamase from Mycobacterium tuberculosis. Group: Biochemicals. Grades: Highly Purified. CAS No. 1797133-98-2. Pack Sizes: 2.5mg, 5mg. Molecular Formula: C7H10N3NaO6S, Molecular Weight: 287.23. US Biological Life Sciences. USBiological 1
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(2R,5R)-Benzyl 5-amino-2-methylpiperidine-1-carboxylate (2R,5R)-Benzyl 5-amino-2-methylpiperidine-1-carboxylate is a reactant used in the preparation of pyridylamino-nitrile-piperidinyl Orexin receptor antagonists. Group: Biochemicals. Grades: Highly Purified. CAS No. 1207853-72-2. Pack Sizes: 2.5mg, 25mg. Molecular Formula: C14H20N2O2, Molecular Weight: 248.32. US Biological Life Sciences. USBiological 1
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(2R,5S,10aS,10bS)-10b-Hydroxy-5-isopropyl-2-methyl-3,6-dioxooctahydro-2H-oxazolo[3,2-a]pyrrolo[2,1-c]pyrazine-2-carboxylic Acid (2R,5S,10aS,10bS)-10b-Hydroxy-5-isopropyl-2-methyl-3,6-dioxooctahydro-2H-oxazolo[3,2-a]pyrrolo[2,1-c]pyrazine-2-carboxylic Acid is an intermediate in the synthesis of Ergovaline (E600050) related compound. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 2.5mg, 5mg. Molecular Formula: C14H20N2O6. US Biological Life Sciences. USBiological 1
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(2R,5S,10aS,10bS)-10b-hydroxy-5-isopropyl-2-methyl-3,6-dioxooctahydro-2H-oxazolo[3,2-a]pyrrolo[2,1-c]pyrazine-2-carboxylic Acid Ethyl Ester (2R,5S,10aS,10bS)-10b-hydroxy-5-isopropyl-2-methyl-3,6-dioxooctahydro-2H-oxazolo[3,2-a]pyrrolo[2,1-c]pyrazine-2-carboxylic Acid Ethyl Ester is an intermediate in the synthesis of Ergovaline (E600050) related compound. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 2.5mg, 5mg. Molecular Formula: C16H24N2O6. US Biological Life Sciences. USBiological 1
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(2R,5S)-5-(3,4-Dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid (1R,2S,5R)-5-Methyl-2-(1-methylethyl)cyclohexyl Ester (2R,5S)-5-(3,4-Dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid (1R,2S,5R)-5-Methyl-2-(1-methylethyl)cyclohexyl Ester is an intermediate in the synthesis of (2R-cis)-1-[2-(Hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione which is an impurity of Lamivudine (L172500). (2R-cis)-1-[2-(Hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione is also being further studied to determine its potential as an anti-HIV agent. Group: Biochemicals. Grades: Highly Purified. CAS No. 389128-28-3. Pack Sizes: 25mg, 100mg. Molecular Formula: C18H26N2O5S, Molecular Weight: 382.47. US Biological Life Sciences. USBiological 1
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(2R,5S)-5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid (1R,2S,5R)-5-Methyl-2-(1-methylethyl)cyclohexyl Ester An intermediate in the synthesis of Emtricitabine (E525000). A reverse transcriptase inhibitor. It is an effective antiviral agent against HIV, HBV, and other viruses replicating in a similar manner. A nucleoside analog structurally related to Lamivudine (L172500). Group: Biochemicals. Grades: Highly Purified. CAS No. 764659-72-5. Pack Sizes: 100mg. US Biological Life Sciences. USBiological 1
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(2R,5S)-L-Methyl-5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylate (2R,5S)-L-Methyl-5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylate. Group: Biochemicals. Alternative Names: (2R,5S)-5-(4-Amino-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid (1R,2S,5R)-5-Methyl-2-(1-methylethyl)cyclohexyl Ester. Grades: Highly Purified. CAS No. 147027-10-9. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g. Molecular Formula: C18H27N3O4S. US Biological Life Sciences. USBiological 1
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(2R,6R)-6-Amino-5-oxo-2-(2-thienyl)perhydro-1,4-thiazepine (2R,6R)-6-Amino-5-oxo-2-(2-thienyl)perhydro-1,4-thiazepine. Group: Biochemicals. Alternative Names: 6-Amino-2-thiophen-2-yl-[1,4]thiazepan-5-one. Grades: Highly Purified. CAS No. 110221-27-7. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C9H12N2OS2. US Biological Life Sciences. USBiological 1
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(2R,6R)-rel-tert-Butyl 4-(hydroxymethyl)-2,6-dimethyl-d6-piperidine-1-carboxylate (2R,6R)-rel-tert-Butyl 4-(hydroxymethyl)-2,6-dimethyl-d6-piperidine-1-carboxylate is the labeled analogue of (2R,6R)-rel-tert-Butyl 4-(hydroxymethyl)-2,6-dimethylpiperidine-1-carboxylate (B809310), a reactant in the synthesis of piperidinylmethyl (thiazolyl) phenylcarbamates as M3 muscarinic acetylcholine receptor antagonists. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg, 10mg. Molecular Formula: C13H19D6NO3, Molecular Weight: 249.38. US Biological Life Sciences. USBiological 1
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(2R,6R)-rel-tert-Butyl 4-(hydroxymethyl)-2,6-dimethylpiperidine-1-carboxylate (2R,6R)-rel-tert-Butyl 4-(hydroxymethyl)-2,6-dimethylpiperidine-1-carboxylate is a reactant in the synthesis of piperidinylmethyl (thiazolyl) phenylcarbamates as M3 muscarinic acetylcholine receptor antagonists. Group: Biochemicals. Grades: Highly Purified. CAS No. 658076-63-2. Pack Sizes: 10mg, 100mg. Molecular Formula: C13H25NO3, Molecular Weight: 243.34. US Biological Life Sciences. USBiological 1
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(2R,6S)-2,6-Dimethyl-4-(piperidin-2-ylmethyl)morpholine oxalate (2R,6S)-2,6-Dimethyl-4-(piperidin-2-ylmethyl)morpholine oxalate. Group: Biochemicals. Grades: Highly Purified. CAS No. 1212426-87-3. Pack Sizes: 100mg, 250mg. Molecular Formula: C14H26N2O5, Molecular Weight: 302.37. US Biological Life Sciences. USBiological 1
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(2R,6S)-rel-2,6-Dimethyl-1-nitrosopiperidine (2R,6S)-rel-2,6-Dimethyl-1-nitrosopiperidine is an intermediate in the synthesis of N-nitrosamines as diuretics. Group: Biochemicals. Grades: Highly Purified. CAS No. 16642-61-8. Pack Sizes: 100mg, 500mg. Molecular Formula: C7H14N2O, Molecular Weight: 142.199999999999. US Biological Life Sciences. USBiological 1
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(2R, 6S) -rel-2, 6-Dimethyl-4- (2-methyl-3-phenylpropyl) morpholine Hydrochloride (2R, 6S) -rel-2, 6-Dimethyl-4- (2-methyl-3-phenylpropyl) morpholine Hydrochloride (1:1), is used in the preparation of Amorolfine (A634170), a morpholine antifungal drug. Group: Biochemicals. Grades: Highly Purified. CAS No. 922734-43-8. Pack Sizes: 250mg, 2.5g. Molecular Formula: C16H26ClNO. US Biological Life Sciences. USBiological 1
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(2R)-Bornane-10,2-sultam (2R)-Bornane-10,2-sultam. Group: Biochemicals. Grades: Highly Purified. CAS No. 94594-90-8. Pack Sizes: 1g, 2g, 5g, 10g, 25g. Molecular Formula: C10H17NO2S. US Biological Life Sciences. USBiological 1
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(2R-cis)-1-[2-(Hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione (2R-cis)-1-[2-(Hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione (Lamivudine EP Impurity J) is an impurity of Lamivudine (L172500). (2R-cis)-1-[2-(Hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione is also being further studied to determine its potential as an anti-HIV agent. Group: Biochemicals. Grades: Highly Purified. CAS No. 145986-07-8. Pack Sizes: 25mg, 100mg. Molecular Formula: C8H10N2O4S. US Biological Life Sciences. USBiological 1
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(2R)-Dehydroclindamycin Hydrochloride (2R)-Dehydroclindamycin Hydrochloride is an impurity in the synthesis of Dehydroclindamycin Hydrochloride which is a Clindamycin (C580000) impurity in bulk drug. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 2.5mg, 5mg. Molecular Formula: C18H31ClN2O5S HCl. US Biological Life Sciences. USBiological 1
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(2R)-Eriodictyol (2R)-Eriodictyol is the 2R-enantiomer of Eriodictyol (E600085); used in biological studies as natural compounds as sources of new bifunctional scaffolds targeting cholinesterases and beta amyloid aggregation. Eriodictyl is extracted from Yerba santa, an herb. The leaf is used to make medicine. Group: Biochemicals. Grades: Highly Purified. CAS No. 116301-03-2. Pack Sizes: 1mg, 2.5mg. Molecular Formula: C15H12O6, Molecular Weight: 288.25. US Biological Life Sciences. USBiological 1
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(2R)-Ethylpyrrolidine Hydrochloride (2R)-Ethylpyrrolidine Hydrochloride is used as a reagent in the synthesis of 6-(4-pyrimidinyl)-1H-indazole derivatives as PDK1 kinase inhibitors useful in treatment of cancer, immune, metabolic and other kinase-mediated diseases. Also used as a reagent in the synthesis of aryloxazole derivatives as histamine H3 receptor antagonists or inverse agonists. Group: Biochemicals. Grades: Highly Purified. CAS No. 460748-80-5. Pack Sizes: 250mg, 2.5g. Molecular Formula: C6H14ClN, Molecular Weight: 135.639999999999. US Biological Life Sciences. USBiological 1
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(2R)-(-)-Glycidyl tosylate (2R)-(-)-Glycidyl tosylate. Group: Biochemicals. Alternative Names: (2R)-2-Oxiranemethanol 2- (4-methyl Benzene sulfonate) ; (-)-Glycidyl tosylate; (R)-(-)-Oxiran-2-ylmethyl 4-methyl Benzene sulfonate. Grades: Highly Purified. CAS No. 113826-06-5. Pack Sizes: 5g, 10g, 25g, 50g, 100g. Molecular Formula: C10H12O4S. US Biological Life Sciences. USBiological 1
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(2R)-N-(2-Benzoyl-4-chlorophenyl)-1-(phenylmethyl)-2-pyrrolidinecarboxamide Hydrochloride (2R)-N-(2-Benzoyl-4-chlorophenyl)-1-(phenylmethyl)-2-pyrrolidinecarboxamide Hydrochloride (1:1) is derived from 2-Amino-5-chlorobenzophenone (A603490), which is a metabolite of Diazepam; it had a much weaker anti-convulsant effect. Group: Biochemicals. Grades: Highly Purified. CAS No. 1021462-91-8. Pack Sizes: 250mg, 1g. Molecular Formula: C25H23ClN2O2; (HCl), Molecular Weight: 418.923635999999. US Biological Life Sciences. USBiological 1
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(2'R)-N2'-Deacetyl-N2'-[3-(methylthio)-1-oxopropyl]-maytansine (2'R)-N2'-Deacetyl-N2'-[3-(methylthio)-1-oxopropyl]-maytansine is an epimer of N2'-Deacetyl-N2'-[3-(methylthio)-1-oxopropyl]-maytansine (D199035), which is an active metabolite of Maytansine (M197940), inhibits in vitro polymerization of tubulin and is used in the treatment of advanced breast cancer. Group: Biochemicals. Grades: Highly Purified. CAS No. 936481-23-1. Pack Sizes: 1mg, 2.5mg. Molecular Formula: C36H50ClN3O10S. US Biological Life Sciences. USBiological 1
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(2'R)-N-Benzoyl-2'-deoxy-2'-fluoro-2'-methyl-3',5'-dibenzoate Cytidine (2'R)-N-benzoyl-2'-deoxy-2'-fluoro-2'-methyl-3',5'-dibenzoate Cytidine as a prodrug for the treatment against HCV infection, a potent and selective inhibitor of HCV NS5B polymerase. Group: Biochemicals. Grades: Highly Purified. CAS No. 817204-32-3. Pack Sizes: 500mg, 1g. Molecular Formula: C31H26FN3O7, Molecular Weight: 571.549999999999. US Biological Life Sciences. USBiological 1
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(2R)-N-Boc-4-oxo-proline (2R)-N-Boc-4-oxo-proline was used as a reactant in the preparation of 4,4-disubstituted pyrrolidine-1,2-dicarboxamides which are potent factor Xa inhibitors with increased human half life. Also used in the synthesis of azacyclic FTY720 analogues which show potential for use in strategy to kill cancer cells as they restrict access to extracellular nutrients. Group: Biochemicals. Grades: Highly Purified. CAS No. 364077-84-9. Pack Sizes: 100mg, 250mg. Molecular Formula: C10H15NO5, Molecular Weight: 229.23. US Biological Life Sciences. USBiological 1
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(2R)-Pidotimod (2R)-Pidotimod exhibits immunostimulant activity. Group: Biochemicals. Grades: Highly Purified. CAS No. 162148-17-6. Pack Sizes: 50mg, 100mg. Molecular Formula: C9H12N2O4S, Molecular Weight: 244.27. US Biological Life Sciences. USBiological 1
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(2R)-Pinocembrin (2R)-Pinocembrin is the (R)-enantiomer of Pinocembrin, a flavanoid with antioxidant activity found in damiana, honey, and propolis. (2R)-Pinocembrin is a potential inhibitor of PIM1 kinase, an oncogene that has been implicated in the development of leukemias, lymphomas, and prostate cancer. Group: Biochemicals. Alternative Names: (2R)-2,3-Dihydro-5,7-dihydroxy-2-phenyl-4H-1-benzopyran-4-one; (R)-2,3-dihydro-5,7-dihydroxy-2-phenyl-4H-1-benzopyran-4-one; (-)-Pinocembrin; (-)-Pinocoembrin. Grades: Highly Purified. CAS No. 206660-42-6. Pack Sizes: 50mg. US Biological Life Sciences. USBiological 1
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(2RS)-2-[3-(2-Methylpropyl)phenyl] propanoic acid (2RS)-2-[3-(2-Methylpropyl)phenyl] propanoic acid. Group: Biochemicals. Alternative Names: Impurity A; m-Isobutyl Ibuprofen; 2- (3-Isobutylphenyl) propanoic acid. Grades: Highly Purified. CAS No. 66622-47-7. Pack Sizes: 25mg, 50mg, 100mg, 250mg, 500mg. Molecular Formula: C13H18O2. US Biological Life Sciences. USBiological 1
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(2RS)-2-(4-Butylphenyl)propionic acid (2RS)-2-(4-Butylphenyl)propionic acid. Group: Biochemicals. Alternative Names: Impurity B; p-Butyl Ibuprofen; 4-Butyl-a-methylbenzeneacetic acid. Grades: Highly Purified. CAS No. 3585-49-7. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C13H18O2. US Biological Life Sciences. USBiological 1
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(2RS,3RS)-1-Amino-3-(2-ethoxy-d5-phenoxy)-2-hydroxy-3-phenylpropane, Methanesulfonate Salt A labeled intermediate in the synthesis of Reboxetine. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences. USBiological 1
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(2RS,3RS)-1-Amino-3-(2-ethoxyphenoxy)-2-hydroxy-3-phenylpropane methanesulfonate salt (2RS,3RS)-1-Amino-3-(2-ethoxyphenoxy)-2-hydroxy-3-phenylpropane methanesulfonate salt. Group: Biochemicals. Alternative Names: a- (Aminomethyl) -b- (2-ethoxyphenoxy) benzeneethanol methanesulfonate. Grades: Highly Purified. CAS No. 93853-04-4. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C18H25NO6S. US Biological Life Sciences. USBiological 1
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(2RS,3RS)-1-Amino-3-(2-ethoxyphenoxy)-2-hydroxy-3-phenylpropane, Methanesulfonate Salt An intermediate in the synthesis of Reboxetine. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences. USBiological 1
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(2RS)-Lotaustralin (2RS)-Lotaustralin. Group: Biochemicals. CAS No. 1973415-50-7. Pack Sizes: 5mg. US Biological Life Sciences. USBiological 1
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(2R)-Sorbitan Monolauric Acid Ester (2R)-Sorbitan monolauric acid ester is a lipophilic nonionic surfactant that is used as an emulsifying agent in the preparation of emulsions, creams, and ointments for pharmaceutical and cosmetic use. It is also used as an emulsifier and stabiliser in food. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 250mg, 2.5g. Molecular Formula: C18H36O7, Molecular Weight: 364.47. US Biological Life Sciences. USBiological 1
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(2R)-Sorbitan Monolauric Acid Ester-d22 (Major) (2R)-Sorbitan Monolauric Acid Ester-d23 is labelled (2R)-Sorbitan monolauric acid ester (S677000) which is a lipophilic nonionic surfactant that is used as an emulsifying agent in the preparation of emulsions, creams, and ointments for pharmaceutical and cosmetic use. It is also used as an emulsifier and stabiliser in food. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg, 10mg. Molecular Formula: C18H14D22O7. US Biological Life Sciences. USBiological 1
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(2R)-Tetrahydro-2-furanmethanamine Hydrochloride (2R)-Tetrahydro-2-furanmethanamine is a stereoisomer of Tetrahydro-2-furanmethanamine (T293545) which is used in the synthesis of novel topoisomerase I targeting anti-cancer agents with mild to potent cytotoxic activity. Tetrahydro-2-furanmethanamine (T293545) is also used in the discovery and synthesis of orally bioavailable stearoyl-CoA desaturase 1 inhibitors. Group: Biochemicals. Grades: Highly Purified. CAS No. 7175-80-6. Pack Sizes: 1g, 10g. Molecular Formula: C5H11NO HCl. US Biological Life Sciences. USBiological 1
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(2R)-(-)-trans-2-Pinanol (2R)-(-)-trans-2-Pinanol is a monoterpene and a component of several plant essential oils. Group: Biochemicals. Grades: Highly Purified. CAS No. 35408-04-9. Pack Sizes: 10mg, 25mg. Molecular Formula: C10H18O, Molecular Weight: 154.25. US Biological Life Sciences. USBiological 1
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(2R-trans)-Diltiazem hydrochloride (2R-trans)-Diltiazem hydrochloride. Group: Biochemicals. Alternative Names: (2R-trans)-3-(Acetyloxy)-5-[2-(dimethylamino)ethyl]-2,3-dihydro-2-(4-methoxyphenyl)-1,5-benzothiazepin-4(5H)-one monohydrochloride; (+)-trans-Diltiazem hydrochloride. Grades: Highly Purified. CAS No. 103532-27-0. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. Molecular Formula: C22H27ClN2O4S. US Biological Life Sciences. USBiological 1
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(2R)-Vildagliptin (2R)-Vildagliptin is an oral anti-hyperglycemic agent that inhibit dipeptidyl peptidase 4 (DPP-4) which can act as a serine exopeptidase. Aside from there use in type 2 diabetes, gliptins have positive cardiovascular and anti-inflammtatory effects. Antidiabetic. Group: Biochemicals. Grades: Highly Purified. CAS No. 1036959-27-9. Pack Sizes: 10mg, 100mg. Molecular Formula: C17H25N3O2. US Biological Life Sciences. USBiological 1
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(2S,11aS)-Fmoc-2-amino-10-carboxymethyl-1,2,3,11a-tetrahydro-10H-pyrrolo[2,1-c][1,4]-benzodiazepine-5,11-dione CAS Number:182624-46-0. Group: Biochemicals. Alternative Names: Fmoc-PBD. Grades: Highly Purified. CAS No. 182624-46-0. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g. US Biological Life Sciences. USBiological 1
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(2S)-1-[2-[2-(2-Phenylethyl)-1,3-dioxolan-2-yl]phenoxy]-3-(propylamino)-2-propanol (2S)-1-[2-[2-(2-Phenylethyl)-1,3-dioxolan-2-yl]phenoxy]-3-(propylamino)-2-propanol is an intermediate used in the synthesis (S)-Propafenone (P757496), which is a sodium channel blocker. Antiarrhythmic (class IC). Group: Biochemicals. Grades: Highly Purified. CAS No. 189766-51-6. Pack Sizes: 25mg, 50mg. Molecular Formula: C23H31NO4, Molecular Weight: 385.5. US Biological Life Sciences. USBiological 1
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(2S)-1,2,3,6-Tetrahydro-4-methyl-1-[(1R)-1-phenylethyl]-2-pyridinecarboxylic acid Ethyl Ester (2S)-1,2,3,6-Tetrahydro-4-methyl-1-[(1R)-1-phenylethyl]-2-pyridinecarboxylic acid Ethyl Ester is an intermediate in the preparation of Argatroban (A769000). Group: Biochemicals. Grades: Highly Purified. CAS No. 134984-61-5. Pack Sizes: 100mg, 1g. Molecular Formula: C17H23NO2. US Biological Life Sciences. USBiological 1
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(2S, 16Z, 18E, 20S, 21S, 22R, 23R, 24R, 25S, 26R, 27S, 28E) -25- (Acetyloxy) -5, 21, 23-trihydroxy-27-methoxy-2, 4, 16, 20, 22, 24, 26-heptamethyl-11-methylene-2, 7- (epoxypentadeca[1, 11, 13]trienimino) benzofuro[4, 5-e]pyrido[1, 2-a]benzimidazole-1, 6, 15 (2H, 11H) -trione (2S, 16Z, 18E, 20S, 21S, 22R, 23R, 24R, 25S, 26R, 27S, 28E) -25- (Acetyloxy) -5, 21, 23-trihydroxy-27-methoxy-2, 4, 16, 20, 22, 24, 26-heptamethyl-11-methylene-2, 7- (epoxypentadeca[1, 11, 13]trienimino) benzofuro[4, 5-e]pyrido[1, 2-a]benzimidazole-1, 6, 15 (2H, 11H) -trione is an impurity of Rifaximin (R509500), a non-absorbable semisynthetic Rifamycin antibiotic. Group: Biochemicals. Grades: Highly Purified. CAS No. 1351775-03-5. Pack Sizes: 2.5mg, 5mg. Molecular Formula: C43H49N3O11, Molecular Weight: 783.86. US Biological Life Sciences. USBiological 1
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(2S, 16Z, 18E, 20S, 21S, 22R, 23R, 24R, 25S, 26R, 27S, 28E) -25- (Acetyloxy) -6, 21, 23-trihydroxy-27-methoxy-2, 4, 16, 20, 22, 24, 26-heptamethyl-11-methylene-2, 7- (epoxypentadeca[1, 11, 13]trienimino) benzofuro[4, 5-e]pyrido[1, 2-a]benzimidazole-1, 5, 15 (2H, 11H) -trione (2S, 16Z, 18E, 20S, 21S, 22R, 23R, 24R, 25S, 26R, 27S, 28E) -25- (Acetyloxy) -6, 21, 23-trihydroxy-27-methoxy-2, 4, 16, 20, 22, 24, 26-heptamethyl-11-methylene-2, 7- (epoxypentadeca[1, 11, 13]trienimino) benzofuro[4, 5-e]pyrido[1, 2-a]benzimidazole-1, 5, 15 (2H, 11H) -trione is an impurity of Rifaximin (R509500), a non-absorbable semisynthetic Rifamycin antibiotic. Group: Biochemicals. Grades: Highly Purified. CAS No. 1351775-04-6. Pack Sizes: 2.5mg, 5mg. Molecular Formula: C43H49N3O11, Molecular Weight: 783.86. US Biological Life Sciences. USBiological 1
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(2S)-1-Methyl-2-phenylpyrrolidine (2S)-1-Methyl-2-phenylpyrrolidine is an analogue of Nicotine (N412450), the neuroactive component of tobacco that maintains tobacco dependence. (2S)-1-Methyl-2-phenylpyrrolidine is also known to compete with nicotine in demethylation reactions. Group: Biochemicals. Grades: Highly Purified. CAS No. 58166-86-2. Pack Sizes: 10mg, 100mg. Molecular Formula: C11H15N, Molecular Weight: 161.24. US Biological Life Sciences. USBiological 1
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(2S)-1-Methyl-2-phenylpyrrolidine-D3 (2S)-1-Methyl-2-phenylpyrrolidine-D3 is a labelled analogue of (2S)-1-Methyl-2-phenylpyrrolidine (M328092), an analogue of Nicotine (N412450), the neuroactive component of tobacco that maintains tobacco dependence. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 2.5mg, 25mg. Molecular Formula: C11H12D3N, Molecular Weight: 164.26. US Biological Life Sciences. USBiological 1
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(2S)-2-(2-Chlorophenyl)-2-(1-methoxy-1-methylethoxy)Ethyl Ester 1H-Imidazole-1-carboxylic Acid (2S)-2-(2-Chlorophenyl)-2-(1-methoxy-1-methylethoxy)Ethyl Ester 1H-Imidazole-1-carboxylic Acid is an intermediate in the synthesis of (S)-Carisbamate (C183510). Carisbamate is being developed for adjuvant treatment of partial onset epilepsy. Carisbamate produces anticonvulsant effects in primary generalized, complex partial and absence-type seizure models, and exhibits neuroprotective and antiepileptogenic properties in rodent epilepsy models. Group: Biochemicals. Grades: Highly Purified. CAS No. 1146981-97-6. Pack Sizes: 10mg, 25mg. Molecular Formula: C16H19ClN2O4, Molecular Weight: 338.79. US Biological Life Sciences. USBiological 1
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(2S)-2-(3-Aminopropyl)-5-(2,5-difluorophenyl)-N-methoxy-N-methyl-2-phenyl-1,3,4-thiadiazole-3(2H)-carboxamide Hydrochloride (2S)-2-(3-Aminopropyl)-5-(2,5-difluorophenyl)-N-methoxy-N-methyl-2-phenyl-1,3,4-thiadiazole-3(2H)-carboxamide Hydrochloride is a known potent kinesin spindle protein inhibitor. Group: Biochemicals. Grades: Highly Purified. CAS No. 1385020-40-5. Pack Sizes: 10mg, 25mg. Molecular Formula: C20H22F2N4O2S; (HCl). US Biological Life Sciences. USBiological 1
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(2S)-2,3-Dihydroxy-N-methoxy-2,N-dimethyl-propionamide (2S)-2,3-Dihydroxy-N-methoxy-2,N-dimethyl-propionamide. Group: Biochemicals. Alternative Names: (2S)-2,3-Dihydroxy-N-methoxy-N-methyl-2-methylpropanamide. Grades: Highly Purified. CAS No. 149099-00-3. Pack Sizes: 100mg, 250mg, 500mg, 1g, 2g. Molecular Formula: C6H13NO4. US Biological Life Sciences. USBiological 1
Worldwide
(2S)-2,3-Dimethyl-1,3-butanediol Used in the preparation of Vitamin D2 and its derivatives. Group: Biochemicals. Alternative Names: (S)-2,3-Dimethyl-1,3-butanediol. Grades: Highly Purified. CAS No. 73295-12-2. Pack Sizes: 50mg. US Biological Life Sciences. USBiological 1
Worldwide
(2S)-2-((5S)-1-[(9H-Fluoren-9-yl-methoxy)carbonyl]-6-oxo-1,7-diazaspiro[4.4]non-7-yl)-4-methylpentanoic acid (2S)-2-((5S)-1-[(9H-Fluoren-9-yl-methoxy)carbonyl]-6-oxo-1,7-diazaspiro[4.4]non-7-yl)-4-methylpentanoic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 129605-53-4. Pack Sizes: 10mg, 25mg. Molecular Formula: C28H32N2O5, Molecular Weight: 476.56. US Biological Life Sciences. USBiological 1
Worldwide
(2S)-(2,6-Dichlorophenyl)-1-((1S)-1-phenylethyl)tetrahydro-1H-imidazol-4-one (2S)-(2,6-Dichlorophenyl)-1-((1S)-1-phenylethyl)tetrahydro-1H-imidazol-4-one is a useful synthetic intermediate. Group: Biochemicals. Grades: Highly Purified. CAS No. 1149765-12-7. Pack Sizes: 250mg, 1g. Molecular Formula: C17H16Cl2N2O, Molecular Weight: 335.23. US Biological Life Sciences. USBiological 1
Worldwide
(2S)-2-Amino-2,3-dimethyl-butanenitrile D-(-)-Tartaric Acid is an intermediate in the preparation of (S)-N-ethoxycarbonyl-α-methylvaline. Group: Biochemicals. Alternative Names: (2S)-2-Amino-2,3-dimethyl-butanenitrile (2S,3S)-2,3-Dihydroxybutanedioate; (2S)-2-Amino-2,3-dimethyl-butanenitrile levo-Tartaric Acid. Grades: Highly Purified. CAS No. 952577-53-6. Pack Sizes: 2.5g. US Biological Life Sciences. USBiological 1
Worldwide
(2S)-2-Amino-2-cycloheptylacetic Acid (2S)-2-Amino-2-cycloheptylacetic Acid is used in the synthetic method of chiral cycloalkyl amino acid with aminotransferase. Group: Biochemicals. Grades: Highly Purified. CAS No. 1447714-17-1. Pack Sizes: 5mg, 10mg. Molecular Formula: C9H17NO2, Molecular Weight: 171.24. US Biological Life Sciences. USBiological 1
Worldwide

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