A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
2',7-O-Bis(triethylsilyl)-D-seco-paclitaxel is one of Paclitaxel intermediates. Paclitaxel is a tetracyclic diterpenoid isolated originally from the Pacific yew tree Taxus brevifolia. It is a mitotic inhibitor used in cancer chemotherapy. It has a role as a microtubule-stabilising agent, a metabolite, a human metabolite and an antineoplastic agent. Synonyms: MK-397; CS-3872; NCGC00485979-01; HY-12643; 2',7-O-Bis(triethylsilyl)-D-seco-paclitaxel. Molecular formula: C59H81NO15Si2. Mole weight: 1100.44.
The enzyme, characterized from the bacterium Amycolatopsis mediterranei, is involved in biosynthesis of the antitubercular drug rifamycin B. Group: Enzymes. Synonyms: AdoMet:27-O-demethylrifamycin SV methyltransferase. Enzyme Commission Number: EC 2.1.1.315. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-1923; 27-O-demethylrifamycin SV methyltransferase; EC 2.1.1.315; AdoMet:27-O-demethylrifamycin SV methyltransferase. Cat No: EXWM-1923.
A metabolite of Rapamycin. Rapamycin is a macrolide compound. It inhibits activation of T cells and B cells by reducing the production of interleukin-2. Rapamycin can be used to coat coronary stents and prevent organ transplant rejection. Grade: > 95%. Molecular formula: C50H77NO13. Mole weight: 900.17.
27-Oxo-fusidic Acid is a metabolite of fusidic acid (F865500) which is a bacteriostatic antibiotic. Fusidic Acid suppresses nitric oxide lysis of pancreatic islet cells and inhibits protein synthesis in prokaryotes by inhibiting the ribosome-dependent activity of G factor and translocation of peptidyl-tRNA. Group: Biochemicals. Grades: Highly Purified. CAS No. 1415035-94-7. Pack Sizes: 25mg, 250mg. Molecular Formula: C31H46O7, Molecular Weight: 530.69. US Biological Life Sciences.
Worldwide
27-Oxooctacosanoic acid
27-Oxooctacosanoic acid. CAS No. 144796-91-8. Product ID: ACM144796918. Alfa Chemistry - ISO 9001:32057 Certified.
27-p-Coumaroyloxyursolic acid
27-p-Coumaroyloxyursolic acid is a natural triterpenoid found in the herbs of Viburnum cylindricum. Synonyms: 27-p-Coumaroyloxyursolic acid. Grade: >97%. CAS No. 73584-67-5. Molecular formula: C39H54O6. Mole weight: 618.9.
Spb1p is a site-specific 2'-O-ribose RNA methyltransferase that catalyses the formation of 2'-O-methylguanosine2922, a universally conserved position of the catalytic center of the ribosome that is essential for translation. 2'-O-Methylguanosine2922 is formed at a later stage of the processing, during the maturation of of the 27S pre-rRNA. In absence of snR52, Spb1p can also catalyse the formation of uridine2921. Group: Enzymes. Synonyms: Spb1p (gene name); YCL054W (gene name). Enzyme Commission Number: EC 2.1.1.167. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-1764; 27S pre-rRNA (guanosine2922-2'-O)-methyltransferase; EC 2.1.1.167; Spb1p (gene name); YCL054W (gene name). Cat No: EXWM-1764.
28:0 Coenzyme A Ammonium salt, a fundamental element in the regulation of fatty acid metabolism, serves an integral role in the intricate beta-oxidation process. Traditionally deployed as a metabolic biomarker for detecting metabolic aberrations (namely obesity, diabetes, and cardiovascular maladies), research also suggests possibilities for its incorporation in ameliorative measures against metabolic disorders as well as cancerous growths. Synonyms: Octacosanoyl Coenzyme A (ammonium salt); 9H-Purin-6-amine, 9-[(2ξ)-5-O-[hydroxy[[hydroxy[(3R)-3-hydroxy-2,2-dimethyl-4-oxo-4-[[3-oxo-3-[[2-[(1-oxooctacosyl)thio]ethyl]amino]propyl]amino]butoxy]phosphinyl]oxy]phosphinyl]-3-O-phosphono-β-D-threo-pentofuranosyl]-, ammonium salt. Grade: >99%. CAS No. 2260795-80-8. Molecular formula: C49H99N10O17P3S. Mole weight: 1225.37.
2,8,12,18-Tetraethyl-3,7,13,17-tetramethyl-21H,23H-5,15-diazaporphine was a reactant for preparation of cerium and europium diazaporphyrin triple-decker homoleptic complexes. Group: Biochemicals. Grades: Highly Purified. CAS No. 76199-03-6. Pack Sizes: 1mg, 5mg. Molecular Formula: C30H36N6, Molecular Weight: 480.65. US Biological Life Sciences.
2,8-Dichloro-6,12-diphenyldibenzo[b,f][1,5]diazocine. Synonyms: Dibenzo[b,f][1,5]diazocine, 2,8-dichloro-6,12-diphenyl-; U 10293; U10293; U-10293. Grade: ≥98%. CAS No. 3646-61-5. Molecular formula: C26H16Cl2N2. Mole weight: 427.32.
2,8-Dichlorodibenzofuran
2,8-Dichlorodibenzofuran is a standard used in environmental testing and research such as the study of the thermal decomposition of endosulfan and the resulting formation of PCDD/F environmental toxins. Group: Biochemicals. Grades: Highly Purified. CAS No. 5409-83-6. Pack Sizes: 250ug, 500ug. Molecular Formula: C12H6Cl2O, Molecular Weight: 237.08. US Biological Life Sciences.
Worldwide
2,8-Dichloroquinoline
2,8-Dichloroquinoline. Group: Biochemicals. Grades: Highly Purified. CAS No. 4470-83-1. Pack Sizes: 1g, 2g, 5g, 10g, 25g. US Biological Life Sciences.
Worldwide
2,8-Dichloroquinoline-3-carbaldehyde
2,8-Dichloroquinoline-3-carbaldehyde. Group: Biochemicals. Grades: Highly Purified. CAS No. 144918-96-7. Pack Sizes: 10g, 25g. Molecular Formula: C10H5Cl2NO. US Biological Life Sciences.
2,8-Difluorodibenzo[b,d]thiophene. CAS No. 80017-76-1. Molecular formula: C12H6F2S. Mole weight: 220.24.
2,8-Dihydroxy-3-naphthoic acid
2,8-Dihydroxy-3-naphthoic acid. Alternative Names: 2,3-dihydroxy-1-naphthalenecarboxylicaci;2,3-dihydroxy-1-naphthoicaci;2,3-dihydroxynaphthoicacid;2,3-Dihydroxy-1-naphthoic acid. CAS No. 16715-77-8. Product ID: ACM16715778. Molecular formula: C11H8O4. Mole weight: 204.18. Alfa Chemistry - ISO 9001:32057 Certified.
2,8-Dihydroxyadenine
2,8-Dihydroxyadenine is a derivative of adenine which accumulates in 2,8 dihydroxy-adenine urolithiasis. Group: Biochemicals. Grades: Highly Purified. CAS No. 30377-37-8. Pack Sizes: 2.5mg, 25mg. Molecular Formula: C5H5N5O2. US Biological Life Sciences.
2,8-Dimethyladenosine is a nucleoside analog, adroitly serving as a chemical probe to facilitate the comprehensive exploration of RNA modifications and their intricate interplay with RNA's formidable structure and multifaceted functionality. Synonyms: (2R,3R,4S,5R)-2-(6-Amino-2,8-dimethyl-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol; Adenosine, 2,8-dimethyl-. Grade: ≥95% by HPLC. CAS No. 63954-66-5. Molecular formula: C12H17N5O4. Mole weight: 295.29.
2,8-Dimethyladenosine
2,8-Dimethyladenosine is an adenosine analogue. Adenosine analogs mostly act as smooth muscle vasodilators and have also been shown to inhibit cancer progression. The popular products in this series are adenosine phosphate, Acadesine (HY-13417), Clofarabine (HY-A0005), Fludarabine phosphate (HY-B0028) and Vidarabine (HY-B0277)[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 63954-66-5. Pack Sizes: 1 mg; 5 mg; 10 mg. Product ID: HY-152702.
2,8-Dimethylanthra[2,3-b:6,7-b']dithiophene (purified by sublimation)
2,8-Dimethylanthra[2,3-b:6,7-b']dithiophene (purified by sublimation). Alternative Names: anti-DMADT (purified by sublimation). CAS No. 1019983-99-3. Molecular formula: C20H14S2. Mole weight: 318.45. Purity: >99.0%(T). IUPAC Name: 7,17-dimethyl-6,16-dithiapentacyclo[11.7.0.03,11.05,9.015,19]icosa-1,3(11),4,7,9,12,14,17,19-nonaene. SMILES: CC1=CC2=CC3=CC4=C(C=C5C=C(SC5=C4)C)C=C3C=C2S1. InChI: InChI=1S/C20H14S2/c1-11-3-17-7-13-5-16-10-20-18(4-12(2)22-20)8-14(16)6-15(13)9-19(17)21-11/h3-10H,1-2H3.
2,8-Dimethylanthra[2,3-b:7,6-b']dithiophene (purified by sublimation)
2,8-Dimethylanthra[2,3-b:7,6-b']dithiophene (purified by sublimation). Alternative Names: syn-DMADT (purified by sublimation). CAS No. 1392416-39-5. Molecular formula: C20H14S2. Mole weight: 318.45. Purity: >97.0%(HPLC). IUPAC Name: 7,17-dimethyl-6,18-dithiapentacyclo[11.7.0.03,11.05,9.015,19]icosa-1(13),2,4,7,9,11,14,16,19-nonaene. SMILES: CC1=CC2=CC3=CC4=C(C=C3C=C2S1)C=C5C(=C4)C=C(S5)C. InChI: InChI=1S/C20H14S2/c1-11-3-17-7-13-5-14-8-18-4-12(2)22-20(18)10-16(14)6-15(13)9-19(17)21-11/h3-10H,1-2H3.
2, 8-Di methyl dibenzothiophene
2, 8-Di methyl dibenzothiophene is used as a sulfur source in microbiology experiments conducted with desulfurizing bacterium. Group: Biochemicals. Grades: Highly Purified. CAS No. 1207-15-4. Pack Sizes: 250mg, 2.5g. Molecular Formula: C14H12S. US Biological Life Sciences.
2,8-Dimethylquinoline. Alternative Names: Quinoline, 2,8-dimethyl-;2,8-DIMETHYLQUINOLINE. CAS No. 1463-17-8. Product ID: ACM1463178. Molecular formula: C11H11N. Mole weight: 157.21. Alfa Chemistry - ISO 9001:32057 Certified.
28-epi-Rapamycin
An epimer of Rapamycin. Rapamycin is a macrolide compound. It inhibits activation of T cells and B cells by reducing the production of interleukin-2. Rapamycin can be used to coat coronary stents and prevent organ transplant rejection. Synonyms: 28-epi-Rapamycin; (31S)-Rapamycin. Grade: > 95%. CAS No. 253431-35-5. Molecular formula: C51H79NO13. Mole weight: 914.2.
28-Epirapamycin
28-Epirapamycin is an epimer of Rapamycin (R124000), a triene macrolide antibiotic isolated from Streptomyces hygroscopicus. Name derived from the native word for Easter Island, RapaNui. Used as an immunosuppressant; antirestenotic. Sirolimus (INN/USAN), also known as rapamycin, is an immunosuppressant drug used to prevent rejection in organ transplantation; it is especially useful in kidney transplants. Group: Biochemicals. Grades: Highly Purified. CAS No. 253431-35-5. Pack Sizes: 2.5mg, 25mg. Molecular Formula: C51H79NO13. US Biological Life Sciences.
Worldwide
28-Ethyl-d4-hydroxy Rapamycin
28-Ethyl-d4-hydroxy Rapamycin is the labeled analogue of 28-Ethylhydroxy Rapamycin (E678640), an impurity of Everolimus (E945400),a derivative of Rapamycin. Everolimus inhibits cytokine-mediated lymphocyte proliferation. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg, 10mg. Molecular Formula: C53H79D4NO14, Molecular Weight: 962.25. US Biological Life Sciences.
Worldwide
28-Ethylhydroxy Everolimus-d4 Impurity
28-Ethylhydroxy Everolimus-d4 Impurity is a deuterium labelled 28-Ethylhydroxy-everolimus Impurity (E945435). It is also an impurity of Everolimus (E945400), which is a derivative of Rapamycin (R124000). Everolimus inhibits cytokine-mediated lymphocyte proliferation. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg. Molecular Formula: C55H83D4NO15, Molecular Weight: 1006.3. US Biological Life Sciences.
Worldwide
28-Ethylhydroxy Everolimus Impurity
28-Ethylhydroxy Everolimus Impurity is an impurity of Everolimus (E945400), which is a derivative of Rapamycin (R124000). Everolimus inhibits cytokine-mediated lymphocyte proliferation. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 2.5mg, 5mg. Molecular Formula: C55H87NO15, Molecular Weight: 1002.28. US Biological Life Sciences.
Worldwide
28-Homo castasterone
28-Homo castasterone. Group: Biochemicals. Alternative Names: (2a,3a,5a,22R,23R)-2,3,22,23-Tetrahydroxystigmastan-6-one; (24S)-24-Ethylbrassinone; Homocastasterone. Grades: Highly Purified. CAS No. 83509-42-6. Pack Sizes: 25mg, 50mg, 100mg, 250mg, 500mg. Molecular Formula: C29H50O5. US Biological Life Sciences.
Worldwide
28-Hydroxy-3-oxoolean-12-en-29-oic acid
28-Hydroxy-3-oxoolean-12-en-29-oic acid is a natural triterpenoid found in the herbs of Celastrus paniculatus. Synonyms: 28-Hydroxy-3-oxoolean-12-en-29-oic acid. Grade: >98%. CAS No. 381691-22-1. Molecular formula: C30H46O4. Mole weight: 470.69.