A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
An irreversible inhibitor of the mammalian DNA repair protein, O6-alkylguanine-DNA alkyltransferase. Assists in the protection against carcinogenic and therapeutic alkylating agents. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 50mg. US Biological Life Sciences.
Worldwide
O6-Benzylguanine
O6-Benzylguanine, a guanine analog, is the DNA repair enzyme O6-alkylguanine-DNA alkyltransferase (MGMT/AGT) inhibitor. O6-Benzylguanine acts as an AGT substrate, which transfers its benzyl group to the AGT cysteine residue, thereby irreversibly inactivating AGT and preventing DNA repair. O6-Benzylguanine induces tumor cell apoptosis. Antineoplastic activity [1] [2]. Uses: Scientific research. Group: Signaling pathways. CAS No. 19916-73-5. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-W002585.
O6-Benzyl guanosine. Group: Biochemicals. Alternative Names: O6-Benzylguanosine; 2-Amino-6-(benzyloxy)-9-b-D-ribofuranosyl-purine; 6-O- (Phenylmethyl) guanosine. Grades: Highly Purified. CAS No. 4552-61-8. Pack Sizes: 10mg, 25mg, 50mg, 100mg, 250mg. Molecular Formula: C17H19N5O5. US Biological Life Sciences.
Worldwide
O6-Benzyl-N2,3-etheno Guanosine-13C2,d
Intermediate in the preparation of labeled, fluorescent Guanosine nucleotide analogs. Group: Biochemicals. Alternative Names: 4-(Phenylmethoxy)-1- β-D-ribofuranosyl-1H-imidazo[2,1-b]purine-13C2,D. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences.
25g Pack Size. Group: Biochemicals, Building Blocks, Peptide Reagents. Formula: C10H15N6OBF4. CAS No. 873798-09-5. Prepack ID 67943083-25g. Molecular Weight 322.07. See USA prepack pricing.
5g Pack Size. Group: Biochemicals, Building Blocks, Peptide Reagents. Formula: C10H15N6OBF4. CAS No. 873798-09-5. Prepack ID 67943083-5g. Molecular Weight 322.07. See USA prepack pricing.
OA-6129 A
OA-6129 A is a carbapenem antibiotic produced by Streptomyces sp. OA-6129. It inhibits gram-positive, gram-negative bacteria and beta-lactamase. Synonyms: Antibiotic OA 6129A; OA 6129A; OA-6129A. CAS No. 82475-11-4. Molecular formula: C20H31N3O7S. Mole weight: 457.5.
OA-6129 B1
OA-6129 B1 is a carbapenem antibiotic produced by Streptomyces sp. OA-6129. It inhibits gram-positive, gram-negative bacteria and beta-lactamase. Synonyms: Antibiotic OA 6129B1; OA 6129B1; OA-6129B1. Molecular formula: C20H31N3O8S. Mole weight: 473.5.
OA-6129 B2
OA-6129 B2 is a carbapenem antibiotic produced by Streptomyces sp. OA-6129. It inhibits gram-positive, gram-negative bacteria and beta-lactamase. Synonyms: Antibiotic OA 6129B2; OA 6129B2; OA-6129B2. CAS No. 82475-10-3. Molecular formula: C20H31N3O8S. Mole weight: 473.5.
OA-6129 C
OA-6129 C is a carbapenem antibiotic produced by Streptomyces sp. OA-6129. It inhibits gram-positive, gram-negative bacteria and beta-lactamase. Synonyms: Antibiotic OA 6129C; OA 6129C; OA-6129C. Molecular formula: C20H31N3O11S2. Mole weight: 553.6.
OA-6129 D
OA-6129 D is a carbapenem antibiotic produced by Streptomyces sp. OA-6129. It inhibits gram-positive, gram-negative bacteria and beta-lactamase. It is also effective against dehydrodipeptidase and Comamonas terrigena B-996. Synonyms: Antibiotic OA 6129D; OA 6129D; OA-6129D. CAS No. 85414-25-1. Molecular formula: C20H33N3O8S. Mole weight: 475.6.
OA-6129 E
OA-6129 E is a carbapenem antibiotic produced by Streptomyces sp. OA-6129. It inhibits gram-positive, gram-negative bacteria and beta-lactamase. It is also effective against dehydrodipeptidase and Comamonas terrigena B-996. Synonyms: Antibiotic OA 6129E; OA 6129E; OA-6129E. CAS No. 85414-26-2. Molecular formula: C21H35N3O8S. Mole weight: 489.6.
OaBac5
OaBac5 is an antimicrobial peptide found in Ovis aries (Sheep), and has antimicrobial activity. Synonyms: Cathelicidin-2; Bactenecin-5; Bac5; CATHL2. Grade: >85%. Molecular formula: C251H384N76O44. Mole weight: 5170.29.
OaBac6
OaBac6 is an antimicrobial peptide found in Ovis aries (Sheep). It has antimicrobial activity against gram-negative bacteria and gram-positive bacteria. Synonyms: Bac6; Bactinecin 6. Grade: >98%. Molecular formula: C297H464N90O57. Mole weight: 6207.52.
OaBac7.5
OaBac7.5 is an antimicrobial peptide found in Ovis aries (Sheep). It has antimicrobial activity against gram-negative bacteria and gram-positive bacteria. Synonyms: Bactinecin 7.5; Bac7.5. Grade: >98%. Molecular formula: C341H573N125O65. Mole weight: 7464.10.
OAC-1 is an Oct-4 activator which enhances and accelerates iPSC reprogramming in the presence of 4F (Oct-4, Sox-2, c-Myc and GKLF) by ~20-fold (relative to 4F by itself). OAC-1 upregulates mRNA expression of Oct-4, Sox-2 and Nanog, as well as Tet1. It has shown no effects, however, on the p53-p21 pathway or Wnt-β-catenin signaling. Applications: An oct-4 activator which increases mrna expression of oct-4, sox-2, nanog, and tet1. Group: Coenzymes. Synonyms: N-1H-Pyrrolo[2,3-c]pyridin-5-ylbenzamide. CAS No. 300586-90-7. Mole weight: 237.26. Form: Solid. N-1H-Pyrrolo[2,3-c]pyridin-5-ylbenzamide; OAC-1; 300586-90-7. Cat No: COEC-118.
OAC-1
OAC-1. Group: Biochemicals. Grades: Purified. CAS No. 300586-90-7. Pack Sizes: 10mg, 50mg. US Biological Life Sciences.
O-Acetylbenzeneamidinocarboxylic acid is isolated from Gibberella saubinetii with antitumor activity. It has weak inhibitory effect on tumor cells. Synonyms: Acetic acid, 2-[(2-acetylphenyl)amino]-2-imino-; [(2-Acetylphenyl)amino](imino)acetic acid. Grade: ≥95%. CAS No. 82744-16-9. Molecular formula: C10H10N2O3. Mole weight: 206.20.
It is produced by the strain of Crinipellis stipitaria. It has anti-gram-positive bacteria and Aldrin ascites carcinoma activity. Synonyms: Acetylcrinipellin A; Crinipellin; Crinipellin A acetate; 7a,9a-dimethyl-3-methylidene-2,9-dioxo-7-(propan-2-yl)decahydro-1aH,5H-pentaleno[6a',1':5,6]pentaleno[1,6a-b]oxiren-8-yl acetate. CAS No. 97315-00-9. Molecular formula: C22H28O5. Mole weight: 372.46.
O-Acetyl-D-serine hydrochloride. Group: Biochemicals. Alternative Names: D-Ser(Ac)-OH·HCl. Grades: Highly Purified. CAS No. 201212-79-5. Pack Sizes: 250mg, 500mg. US Biological Life Sciences.
Worldwide
O-Acetyl-D-serine hydrochloride 98+% (TLC)
O-Acetyl-D-serine hydrochloride 98+% (TLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 250mg, 500mg. US Biological Life Sciences.
Worldwide
O-acetylhomoserine aminocarboxypropyltransferase
Also reacts with other thiols and H2S, producing homocysteine or thioethers. The name methionine synthase is more commonly applied to EC 2.1.1.13, methionine synthase. The enzyme from baker's yeast also catalyses the reaction of EC 2.5.1.47 cysteine synthase, but more slowly. Group: Enzymes. Synonyms: O-acetyl-L-homoserine acetate-lyase (adding methanethiol); O-acetyl-L-homoserine sulfhydrolase; O-acetylhomoserine (thiol)-lyase; O-acetylhomoserine sulfhydrolase; methionine synthase (misleading). Enzyme Commission Number: EC 2.5.1.49. CAS No. 37290-90-7. 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-2785; O-acetylhomoserine aminocarboxypropyltransferase; EC 2.5.1.49; 37290-90-7; O-acetyl-L-homoserine acetate-lyase (adding methanethiol); O-acetyl-L-homoserine sulfhydrolase; O-acetylhomoserine (thiol)-lyase; O-acetylhomoserine sulfhydrolase; methionine synthase (misleading). Cat No: EXWM-2785.
O-Acetyl Isovanillin
O-Acetyl Isovanillin. Group: Biochemicals. Alternative Names: 3-(Acetyloxy)-4-methoxy-benzaldehyde; 3-Hydroxy-p-anisaldehyde Acetate; 3-Acetoxy-4-methoxybenzaldehyde; 5-Formyl-2-methoxyphenyl Acetate. Grades: Highly Purified. CAS No. 881-57-2. Pack Sizes: 250mg. US Biological Life Sciences.
Worldwide
O-Acetyl-L-homoserine Hydrochloride
A versatile synthon for the synthesis of L-Homoserine peptides and 3-Amino-2-pyrrolidinones. Group: Biochemicals. Alternative Names: L-Homoserine Acetate, Hydrochloride. Grades: Highly Purified. CAS No. 250736-84-6. Pack Sizes: 10mg, 25mg. US Biological Life Sciences.
Worldwide
O-Acetyl Losartan
O-Acetyl Losartan. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1006062-27-6. IUPAC Name: [2-butyl-5-chloro-3-[[4-[2-(1H-tetrazol-5-yl)phenyl]phenyl]methyl]imidazol-4-yl]methyl acetate. Molecular formula: C24H25ClN6O2. Mole weight: 464.95. Catalog: APS1006062276. SMILES: CCCCc1nc(Cl)c(COC(=O)C)n1Cc2ccc(cc2)c3ccccc3c4nnn[nH]4. Format: Neat.
O-Acetyl Losartan
A potential impurity of Losartan. Group: Biochemicals. Alternative Names: 2-Butyl-4-chloro-1-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-1H-imidazole-5-methanol 5-Acetate. Grades: Highly Purified. CAS No. 1006062-27-6. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
O-Acetyl-L-serine
O-Acetyl-L-serine. Uses: Designed for use in research and industrial production. Additional or Alternative Names: H-SER(AC)-OH;O-ACETYL-L-SERINE;(2S)-2-[[3-hydroxy-2-methyl-5-(phosphonooxymethyl)pyridin-4-yl]methylamino]-4-methylsulfanyl-butanoic acid;O-Acetylserine;C00979;L-Serine, O-acetyl-. Product Category: Heterocyclic Organic Compound. CAS No. 5147-00-2. Molecular formula: C5H9NO4. Mole weight: 147.13. Product ID: ACM5147002. Alfa Chemistry ISO 9001:2015 Certified.
O-Acetyl-L-serine hydrochloride. Uses: Designed for use in research and industrial production. Additional or Alternative Names: O3-Acetyl-L-serine. Product Category: Heterocyclic Organic Compound. Appearance: White powder. CAS No. 66638-22-0. Molecular formula: C5H10ClNO4. Mole weight: 183.59. Purity: 0.98. IUPACName: (2S)-3-Acetyloxy-2-aminopropanoic acid;hydrochloride. Canonical SMILES: CC(=O)OCC(C(=O)O)N.Cl. Density: 1.299 g/cm³. Product ID: ACM66638220. Alfa Chemistry ISO 9001:2015 Certified.
O-Acetyl-L-serine hydrochloride
O-Acetyl-L-serine hydrochloride. Group: Biochemicals. Alternative Names: L-Ser(Ac)-OH·HCl. Grades: Highly Purified. CAS No. 66638-22-0. Pack Sizes: 2g, 5g. US Biological Life Sciences.
Worldwide
O-Acetyl-L-serine hydrochloride 98+% (HPLC)
O-Acetyl-L-serine hydrochloride 98+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. CAS No. 66638-22-0. Pack Sizes: 1g, 5g, 25g. US Biological Life Sciences.
O-Acetyl-L-tyrosine. Group: Biochemicals. Alternative Names: L-Tyr(Ac)-OH. Grades: Highly Purified. CAS No. 6636-22-2. Pack Sizes: 1g, 2g, 5g, 10g, 25g. US Biological Life Sciences.
Worldwide
O-Acetyl-L-tyrosine 98+% (HPLC)
O-Acetyl-L-tyrosine 98+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g. US Biological Life Sciences.
Worldwide
O-Acetyl N-Benzyloxycarbonyl Valganciclovir
Protected Valganciclovir, a pro-drug of ganciclovir. Group: Biochemicals. Alternative Names: N-[ (Phenylmethoxy) carbonyl]-L-valine 3-(Acetyloxy)-2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]propyl Ester. Grades: Highly Purified. CAS No. 194159-22-3. Pack Sizes: 25mg. US Biological Life Sciences.
Worldwide
O-Acetyl N-Benzyloxycarbonyl Valganciclovir-d5
Protected, labeled Valganciclovir, a pro-drug of ganciclovir. Group: Biochemicals. Alternative Names: N-[ (Phenylmethoxy) carbonyl]-L-valine 3-(Acetyloxy)-2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]propyl Ester-d5. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
Worldwide
O-Acetyl N-Benzyloxycarbonyl Valganciclovir-[d5]
O-Acetyl N-Benzyloxycarbonyl Valganciclovir-[d5] is the labelled analogue of O-Acetyl N-Benzyloxycarbonyl Valganciclovir, which is used to protect Valganciclovir, a pro-drug of Ganciclovir. Synonyms: O-Acetyl N-Benzyloxycarbonyl Valganciclovir D5; N-[(Phenylmethoxy)carbonyl]-L-valine 3-(Acetyloxy)-2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]propyl Ester-d5; 3-Acetoxy-2-((2-amino-6-oxo-3,6-dihydro-9H-purin-9-yl)methoxy)propyl-1,1,2,3,3-d5 ((benzyloxy)carbonyl)-L-valinate. CAS No. 1356354-05-6. Molecular formula: C24H25D5N6O8. Mole weight: 535.56.
O-Acetyl N-cbz valganciclovir
O-Acetyl N-cbz valganciclovir. Group: Biochemicals. Alternative Names: N-[ (Phenylmethoxy) carbonyl]-L-valine 3-(acetyloxy)-2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]propyl ester. Grades: Highly Purified. CAS No. 194159-22-3. Pack Sizes: 10mg, 25mg, 50mg, 100mg, 250mg. Molecular Formula: C24H30N6O8. US Biological Life Sciences.
Worldwide
O-Acetyl-(-)-norscopolamine
Nor Scopolamine derivative. Group: Biochemicals. Alternative Names: [7(S)-(1α,2 β,4 β,5α,7 β)]- α-[(Acetyloxy)methyl]-benzeneacetic Acid 3-Oxa-9-azatricyclo[3.3.1.02, 4]non-7-yl Ester. Grades: Highly Purified. CAS No. 5027-68-9. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
O-Acetyl Psilocin-d4 Fumarate
O-Acetyl Psilocin-d4 Fumarate. Group: Biochemicals. Alternative Names: 3-[2-(Dimethylamino)ethyl-d4]-. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
Worldwide
O-Acetylsalicyl hydroxamic acid
O-Acetylsalicyl hydroxamic acid. Group: Biochemicals. Alternative Names: Acetic acid (2-hydroxybenzoyl)azanyl ester; N-(Acetyloxy)-2-hydroxy-benzamide; AcSHA. Grades: Highly Purified. CAS No. 199854-00-7. Pack Sizes: 10mg, 25mg, 50mg, 100mg, 250mg. Molecular Formula: C9H9NO4. US Biological Life Sciences.
Worldwide
O-Acetylsalicyl hydroxamic Acid (AcSHA, O-ASHA)
An irreversible, non-selective inhibitor of COX-1 and COX-2. Group: Biochemicals. Alternative Names: AcSHA, O-ASHA. Grades: Highly Purified. Pack Sizes: 25mg. US Biological Life Sciences.
Worldwide
O-Acetyl Scopolamine Hydrobromide
Scopolamine Hydrobromide derivative. An acetylcholine antagonist. Used in treatment of motion sickness; antiemetic; antispasmodic; mydriatic; preanesthetic medicant. Group: Biochemicals. Alternative Names: 6 β,7 β-Epoxy-1αH,5αH-tropan-3α-ol (-)-Tropate (Ester) Acetate Hydrobromide; Scopolamine Acetate Hydrobromide; (-)-Scopolamine Acetate Hydrobromide; NSC 172233; O-Acetyl-(-)-hyoscine Hydrobromide. Grades: Highly Purified. CAS No. 5027-67-8. Pack Sizes: 50mg. US Biological Life Sciences.
Worldwide
O-Acetylserine
O-Acetylserine (O-Acetyl-L-serine) is an intermediate in the biosynthesis of the amino acid cysteine in bacteria and plants. Uses: Scientific research. Group: Natural products. Alternative Names: O-Acetyl-L-serine. CAS No. 5147-00-2. Pack Sizes: 10 mM * 1 mL; 100 mg; 500 mg. Product ID: HY-101409.
O-Acetyl Shanzhiside Methyl Ester, 8-
O-Acetyl Shanzhiside Methyl Ester, 8-. Group: Biochemicals. CAS No. 57420-46-9. Pack Sizes: 5mg. US Biological Life Sciences.
Worldwide
OA Coated Fe3O4 Nanoparticles
OA Coated Fe3O4 Nanoparticles. Uses: Designed for use in research and industrial production. Product Category: Metal Nano-materials. CAS No. 12227-89-3. Product ID: ACM12227893. Alfa Chemistry ISO 9001:2015 Certified.
o-Adamantylanisole
o-Adamantylanisole. Group: Biochemicals. Alternative Names: 1- (2-Methoxyphenyl) ticyclo[3. 3. 1. 13, 7]decane; 1- (o-Methoxyphenyl) adamantane. Grades: Highly Purified. CAS No. 43109-77-9. Pack Sizes: 500mg, 1g, 2g, 5g, 10g. Molecular Formula: C17H22O. US Biological Life Sciences.
Worldwide
Oakmoss Extract solution
1 mg/mL in ethanol, analytical standard. Group: Chemical class.
Oakwood CO2 Extract. CAS No. 71011-28-4. Kosher: Y. VIGON Item # 504466. Categories: Speciality Ingrdients Suppliers, Flavors, Fragrances, Perfumers.
America & Internationally
O-Allyl 2,2,2-trichloroacetimidate
O-Allyl 2,2,2-trichloroacetimidate. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2,2,2-Trichloroacetimidic acid allyl ester. Product Category: Allylation Reagents. CAS No. 51479-73-3. Molecular formula: C5H6Cl3NO. Mole weight: 202.47. Purity: 0.96. Density: 1.333 g/mL at 25 °C. Product ID: ACM51479733-1. Alfa Chemistry ISO 9001:2015 Certified.
O-Allyl-D-tyrosine methyl ester hydrochloride
O-Allyl-D-tyrosine methyl ester hydrochloride. Group: Biochemicals. Alternative Names: D-Tyr(All)-OMe·HCl. Grades: Highly Purified. CAS No. 367517-26-8. Pack Sizes: 250mg, 500mg, 1g, 2g. US Biological Life Sciences.