A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
4-Keto 13-cis-Retinoic acid (3,7-Dimethyl-9-(4-keto-2,6,6-trimethyl-1-cyclohexen-1-yl)-2Z,4E,6E,8E-nonatetranenoic acid, 4-Oxoisotretinoin, Ro 22-6595). Group: Biochemicals. Alternative Names: 3,7-Dimethyl-9-(4-keto-2,6,6-trimethyl-1-cyclohexen-1-yl)-2Z,4E,6E,8E-nonatetranenoic acid, 4-Oxoisotretinoin, Ro 22-6595. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences.
Worldwide
4-Keto 13-cis-Retinoic Acid-d3
A labeled metabolite of Retinoic acid in neuroblastoma. Group: Biochemicals. Alternative Names: 3,7-Dimethyl-9-(4-keto-2,6,6-trimethyl-1-cyclohexen-1-yl)-2Z,4E,6E,8E-nonatetranenoic Acid-d3; 4-Oxoisotretinoin-d3; Ro 22-6595-d3; 4-Oxoretinoic Acid-d3. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
Worldwide
4-Keto 13-cis-Retinoic Acid Methyl Ester
4-Keto 13-cis-Retinoic Acid Methyl Ester. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences.
Worldwide
4-Keto-9-cis Retinoic acid-[d3]
4-Keto 9-cis Retinoic Acid-[d3] is a labelled metabolite of Retinoic acid. Retinoic acid is a metabolite of Vitamin A and ajusts its functions of cellular growth and differentiation. Synonyms: 4-Oxo-9-cis-Retinoic Acid-d3; (2E,4E,6Z,8E)-4-Keto-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-enyl)nona-2,4,6,8-tetraenoic Acid-d3. Grade: 95% by HPLC; 98% atom D. CAS No. 1185241-31-9. Molecular formula: C20H23O3D3. Mole weight: 317.44.
4-Keto 9-cis retinoic acid
4-Keto 9-cis retinoic acid. Alternative Names: (2E,4E,6Z,8E)-4-Keto-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-enyl)nona-2,4,6,8-tetraenoic Acid; 4-Keto-9-cis-tretinoin; 4-Oxo-9-cis-Retinoic Acid. CAS No. 150737-18-1. Product ID: ACM150737181. Molecular formula: C20H26O3. Mole weight: 314.42. Alfa Chemistry - ISO 9001:32057 Certified.
A metabolite of all-trans-Retinoic Acid, a ligand for both the retinoic acid receptor (RAR) and the retinoid X receptor (RXR). Group: Biochemicals. Alternative Names: 4-Keto-Tretinoin. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences.
Worldwide
4-Keto all-trans-Retinoic acid Methyl Ester
4-Keto all-trans-Retinoic acid Methyl Ester. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences.
Worldwide
4-Keto all-trans-Retinoic Acid Methyl Ester
4-Keto all-trans-Retinoic Acid Methyl Ester is a derivative of Retinoic acid. Retinoic Acid is a metabolite of Vitamin A and ajusts its functions of cellular growth and differentiation. Synonyms: 4-Oxoretinoic Acid Methyl Ester; Methyl 4-Ketoretinoate; Methyl 4-Oxoretinoate. Grade: ≥95%. CAS No. 38030-58-9. Molecular formula: C21H28O3. Mole weight: 328.44.
4-Ketocapric acid ethyl ester
4-Ketocapric acid ethyl ester. CAS No. 14294-63-4. Product ID: ACM14294634. Alfa Chemistry - ISO 9001:32057 Certified.
4-Keto ibutilide
4-Keto ibutilide. Group: Biochemicals. Alternative Names: N-Ethyl-N-heptyl-gamma-hydroxy-4- [ (methylsulfonyl) amino] benzenebutanamide; (±) -N-Ethyl-N-heptyl-gamma-hydroxy-4- [ (methylsulfonyl) amino] benzenebutanamide. Grades: Highly Purified. CAS No. 160087-98-9. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C20H34N2O4S. US Biological Life Sciences.
Worldwide
4'-Keto-N-(trifluoroacetyl)daunorubicin
4'-Keto-N-(trifluoroacetyl)daunorubicin is an impurity of Epirubicin, which is an anthracycline topoisomerase inhibitor used as an antineoplastic agent. Synonyms: 4'-keto-N-trifluoroacetyl daunorubicin; (8S,10S)-8-Acetyl-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-10-[[2,3,6-trideoxy-3-[(trifluoroacetyl)amino]-α-L-threo-hexopyranos-4-ulos-1-yl]oxy]-5,12-naphthacenedione; (8S-cis)-8-Acetyl-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-10-[[2,3,6-trideoxy-3-[(trifluoroacetyl)amino]-α-L-threo-hexopyranos-4-ulos-1-yl]oxy]-5,12-naphthacenedione; Epirubicin Impurity 6; (1S,3S)-3-Acetyl-3,5,12-trihydroxy-10-methoxy-6,11-dioxo-1,2,3,4,6,11-hexahydro-1-tetracenyl 2,3,6-trideoxy-3-[(trifluoroacetyl)amino]-α-L-threo-hexopyranosid-4-ulose. Grade: ≥95%. CAS No. 79441-78-4. Molecular formula: C29H26F3NO11. Mole weight: 621.51.
4-Keto retinal
4-Keto retinal. Group: Biochemicals. Alternative Names: 9-(2,6,6-Trimethyl-3-keto-1-cyclohexen-1-yl)-3,7-dimethyl-2,4,6,8-nonatetraen-1-al; 4-Oxo-all-trans-retinal; 4-Oxoretinal. Grades: Highly Purified. CAS No. 33532-44-4. Pack Sizes: 2mg, 5mg, 10mg, 25mg, 50mg. Molecular Formula: C20H26O2. US Biological Life Sciences.
Worldwide
4-Keto Retinal
4-Keto Retinal is a crucial compound used in the research and development of biomedical applications primarily employed in studying cellular processes, signaling pathways and gene expression related to retinal diseases such as retinitis pigmentosa and age-related macular degeneration. Uses: An inactive catabolite of retinoic acid. Synonyms: (2E,4E,6E,8E)-9-(2,6,6-Trimethyl-3-keto-1-cyclohexen-1-yl)-3,7-dimethyl-2,4,6,8-nonatetraen-1-al; 4-Oxo-all-trans-retinal; 4-Oxoretinal; all-trans-4-Oxoretinal. Grade: 96%. CAS No. 33532-44-4. Molecular formula: C20H26O2. Mole weight: 298.42.
4-Ketoretinol
4-Ketoretinol is a compound used to study cutaneous afflictions like acne vulgaris, psoriasis and cutaneous neoplasms. Uses: A metabolite of retinol. Synonyms: 15-Hydroxyretin-4-one; 4-Oxoretinol; all-trans-4-Oxoretinol; 4-oxovitamin-A-alcohol; 4-ketovitamin-A-alcohol; 4-Oxovitamin-α-alcohol. Grade: 95%. CAS No. 62702-55-0. Molecular formula: C20H28O2. Mole weight: 300.44.
4-Keto retinol
4-Keto retinol. Group: Biochemicals. Alternative Names: 15-Hydroxyretin-4-one; 3-(9-Hydroxy-3,7-dimethyl-1,3,5,7-nonatetraenyl)-2,4,4-trimethyl-2-cyclohexen-1-one. Grades: Highly Purified. CAS No. 62702-55-0. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. Molecular Formula: C20H28O2. US Biological Life Sciences.
Worldwide
4-(Lactyl-L-serine)goserelin
4-(Lactyl-L-serine)goserelin is an impurity of Goserelin, a luteinizing hormone-releasing hormone analog that mediates the release of gonadotropins. Goserelin can be used to treat prostate cancer and breast cancer. Synonyms: H-Pyr-His-Trp-D-Ser(Lactyl)-Tyr-D-Ser(tBu)-Leu-Arg-Pro-NHNHCONH2; (6S,9S,12R,15S,18S)-18-((S)-2-((S)-3-(1H-imidazol-5-yl)-2-((S)-5-oxopyrrolidine-2-carboxamido)propanamido)-3-(1H-indol-3-yl)propanamido)-1-amino-12-(tert-butoxymethyl)-6-((S)-2-(2-carbamoylhydrazinecarbonyl)pyrrolidine-1-carbonyl)-15-(4-hydroxybenzyl)-1-imino-9-isobutyl-8,11,14,17-tetraoxo-2,7,10,13,16-pentaazanonadecan-19-yl 2-hydroxypropanoate. Molecular formula: C62H88N18O16. Mole weight: 1341.47.
4-(L-Threonine)oxytocin
4-(L-Threonine)oxytocin is a modified form of oxytocin. Oxytocin is a peptide hormone and neuropeptide that plays crucial roles in various physiological processes. Oxytocin is best known for its functions in childbirth and lactation, where it helps to stimulate uterine contractions during labor and milk ejection during breastfeeding. Synonyms: Oxytocin, 4-L-threonine-; (4-Threonine)oxytocin; H-Cys(1)-Tyr-Ile-Thr-Asn-Cys(1)-Pro-Leu-Gly-NH2; L-cysteinyl-L-tyrosyl-L-isoleucyl-L-threonyl-L-asparagyl-L-cysteinyl-L-prolyl-L-leucyl-glycinamide (1->6)-disulfide. CAS No. 26995-91-5. Molecular formula: C42H65N11O12S2. Mole weight: 980.17.
5g Pack Size. Group: Building Blocks, Organics, Peptide Reagents. Formula: C8H9NO4. CAS No. 57078-98-5. Prepack ID 59031729-5g. Molecular Weight 183.16. See USA prepack pricing.
A sulfhydryl and carbohydrate reactive, heterobifunctional crosslinking reagent. Glycoprotein reactive. Group: Biochemicals. Alternative Names: SMCC-Hydrazide. Grades: Highly Purified. CAS No. 359436-59-2. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
4-Maleimidophenylacetic acid hydrazide
4-Maleimidophenylacetic acid hydrazide. Alternative Names: 4-MALEIMIDOPHENYLACETIC ACID HYDRAZIDE. CAS No. 188944-35-6. Product ID: ACM188944356. Molecular formula: C12H11N3O3. Mole weight: 245.23. Alfa Chemistry - ISO 9001:32057 Certified.
4-Maleylacetoacetic Acid
4-Maleylacetoacetic Acid is an intermediate in the metabolism of tyrosine. Synonyms: Tyrosine Related Compound 1; 4-Maleylacetoacetate; Maleylacetoacetic acid; 4,6-dioxo-2Z-octenedioic acid; CHEBI:47904; (Z)-4,6-dioxooct-2-enedioic acid. CAS No. 5698-52-2. Molecular formula: C8H8O6. Mole weight: 200.15.
4-MB-cCMP
4-MB-cCMP is an analogue of cCMP, the putative second messenger nucleotide and the main cellular metabolite of DB-cCMP. 4-MB-cCMP exhibits a partial activity of PKG Iα in vitro and in vivo, and a full activity of PKA RIα and PKA RIIα in vitro. Synonyms: N4- Monobutyrylcytidine- 3', 5'- cyclic monophosphate, sodium salt. Grade: ≥ 97% by HPLC. Molecular formula: C13H17N3O8P · Na. Mole weight: 397.3.
4-Mercapto-2,6-di-tert-butylphenol. Group: Biochemicals. Alternative Names: 2,6-Di-tert-butyl-4-thiophenol; 3,5-Di-tert-butyl-4-hydroxybenzenethiol; 3,5-Di-tert-butyl-4-hydroxythiophenol; H 327/74. Grades: Highly Purified. CAS No. 950-59-4. Pack Sizes: 100mg. US Biological Life Sciences.
5g Pack Size. Group: Building Blocks, Organics. Formula: C7H6O2S. CAS No. 1074-36-8. Prepack ID 49383024-5g. Molecular Weight 154.19. See USA prepack pricing.
4-Mercaptobenzoic acid
1g Pack Size. Group: Building Blocks, Organics. Formula: C7H6O2S. CAS No. 1074-36-8. Prepack ID 49383024-1g. Molecular Weight 154.19. See USA prepack pricing.
4-Mercaptobenzoic Acid
Melting Point: 216-219°C. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 5g. US Biological Life Sciences.
Worldwide
4-Mercaptobenzoic acid, acetoxymethyl ester
4-Mercaptobenzoic acid, acetoxymethyl ester. Group: Biochemicals. Alternative Names: 4-Mercapto-benzoic acid (acetyloxy)methyl ester. Grades: Highly Purified. CAS No. 887406-73-7. Pack Sizes: 100mg, 250mg, 500mg, 1g, 2g. Molecular Formula: C10H10O4S. US Biological Life Sciences.
Worldwide
4-Mercaptobenzonitrile
4-Mercaptobenzonitrile. Group: Biochemicals. Alternative Names: 4-Thiobenzonitrile; 4-Cyanothiophenol. Grades: Highly Purified. CAS No. 36801-01-1. Pack Sizes: 500mg, 1g, 2g, 5g, 10g. Molecular Formula: C7H5NS. US Biological Life Sciences.
Worldwide
4-Mercaptobenzyl Alcohol
Melting Point: 52-54°C. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 250mg. US Biological Life Sciences.
Worldwide
4-Mercaptobenzyl alcohol, 90%
4-Mercaptobenzyl alcohol, 90%. Group: Biochemicals. Alternative Names: 4-Mercapto-benzenemethanol; (4-Mercaptophenyl) methanol; 4- (Hydroxymethyl) thiophenol. Grades: Highly Purified. CAS No. 53339-53-0. Pack Sizes: 100mg, 250mg, 500mg, 1g, 2g. Molecular Formula: C7H8OS. US Biological Life Sciences.
4-(Mercaptomethyl)pyridine. Alternative Names: 4-(Mercaptomethyl)pyridine;Pyridin-4-yl-methanethiol. CAS No. 1822-53-3. Purity: 96%. Product ID: ACM1822533. Molecular formula: C6H7NS. Mole weight: 125.191480 [g/mol]. IUPAC Name: pyridin-4-ylmethanethiol. Alfa Chemistry - ISO 9001:32057 Certified.
4-Mercaptonicotinic acid
4-Mercaptonicotinic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 18103-73-6. Pack Sizes: 1g, 2g, 5g, 10g, 25g. Molecular Formula: C6H5NO2S. US Biological Life Sciences.
Worldwide
4-Mercapto-O-cresol
Intermediate in the preparation of various benzotriazoles. Group: Biochemicals. Alternative Names: 4-Mercapto-2-methylphenol. Grades: Highly Purified. CAS No. 32281-01-9. Pack Sizes: 100mg. US Biological Life Sciences.
Worldwide
4-Mercaptophenol
4-Mercaptophenol. Alternative Names: 4-Hydroxybenzenethiol. CAS No. 637-89-8. Purity: >97.0%. Product ID: FFC-AR-637898. Molecular formula: C6H6OS. Mole weight: 126.18. IUPAC Name: 4-sulfanylphenol. Alfa Chemistry - ISO 9001:32057 Certified.
4-Mercaptophenylacetic acid
4-Mercaptophenylacetic acid. Group: Biochemicals. Alternative Names: 4-Mercapto Benzene acetate. Grades: Highly Purified. CAS No. 39161-84-7. Pack Sizes: 250mg, 500mg, 1g, 2g, 5g. Molecular Formula: C8H8O2S. US Biological Life Sciences.
A redox buffer that increases the folding rate of disulfide-containing proteins realative to traditional buffers such as glutathione and glutathione-disulfide. A useful synthetic intermediate for the preparation of novel antiinflammatory agents. Group: Biochemicals. Alternative Names: 4-Mercapto Benzene acetate. Grades: Highly Purified. Pack Sizes: 500mg. US Biological Life Sciences.
Worldwide
4-Mercaptophenylacetic acid 99+% (HPLC)
4-Mercaptophenylacetic acid 99+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. CAS No. 39161-84-7. Pack Sizes: 1g, 5g, 25g. US Biological Life Sciences.
Atmosphere: Group: Biochemicals. Alternative Names: 4-(4-Mercaptophenyl)butyric Acid. Grades: Highly Purified. CAS No. 359436-81-0. Pack Sizes: 100mg. US Biological Life Sciences.
Worldwide
4-Mercaptophenyl propionic acid
4-Mercaptophenyl propionic acid. Group: Biochemicals. Alternative Names: 3- (4-Mercaptophenyl) propionic acid; 4-Mercaptohydrocinnamic acid; p-Mercaptohydrocinnamic acid. Grades: Highly Purified. CAS No. 63545-55-1. Pack Sizes: 100mg, 250mg, 500mg, 1g, 2g. Molecular Formula: C9H10O2S. US Biological Life Sciences.
Worldwide
4-Mercaptopyridine-2-carboxylic acid
4-Mercaptopyridine-2-carboxylic acid. Alternative Names: 4-Mercaptopyridine-2-carboxylic acid;4-Mercapto-2-pyridinecarboxylic acid. CAS No. 18103-74-7. Product ID: ACM18103747. Molecular formula: C6H5NO2S. Mole weight: 155.1744. Alfa Chemistry - ISO 9001:32057 Certified.
Stable nitroxide radical useful in controlling living radical polymerizations, with a methacrylate functionality for cross-linking or orthogonal polymerization. Alternative Names: 4-Methacryloyloxy-TEMPO Free Radical TEMPO Methacrylate PTMA Monomer. CAS No. 15051-46-4. Molecular formula: C13H22NO3. Mole weight: 240.32. Purity: >98.0%(GC)(T). SMILES: CC(=C)C(=O)OC1CC(N(C(C1)(C)C)[O])(C)C. InChI: InChI=1S/C13H22NO3/c1-9(2)11(15)17-10-7-12(3,4)14(16)13(5,6)8-10/h10H,1,7-8H2,2-6H3.