A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
4-Ketoretinol (9-(2,6,6-Trimethyl-3-keto-1-cyclohexen-1-yl)-3,7-dimethyl-2,4,6,8-nonatetraen-1-ol). Group: Biochemicals. Alternative Names: 9-(2,6,6-Trimethyl-3-keto-1-cyclohexen-1-yl)-3,7-dimethyl-2,4,6,8-nonatetraen-1-ol. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences.
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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.
4- (Maleimido) benzophenone
A sulfhydryl reactive heterobifunctional photocrosslinking reagent. It generates photoactivatable conjugates from thiols. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 25mg. US Biological Life Sciences.
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4-Maleimidobutyric acid
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.
4-Maleimidobutyric acid is an alkyl chain-based PROTAC linker that can be used in the synthesis of PROTACs [1]. Uses: Scientific research. Group: Signaling pathways. CAS No. 57078-98-5. Pack Sizes: 5 g; 10 g. Product ID: HY-W037355.
4-Maleimidobutyric Acid
A short crosslinking reagent. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1g. US Biological Life Sciences.
A sulfhydryl and carbohydrate reactive, heterobifunctional crosslinking reagent. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 25mg. US Biological Life Sciences.
4-(Maleimidomethyl)cyclohexane-1-carboxyl-hydrazide,trifluoroacetic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: SMCC-Hydrazide, MMCCH; 4-[(2,5-Dihydro-2,5-dioxo-1H-pyrrol-1-yl)methyl]cyclohexanecarboxylic Acid Hydrazide, 2,2,2-Trifluoroacetate. Product Category: Heterocyclic Organic Compound. Appearance: White to Off-White. CAS No. 359436-59-2. Molecular formula: C12H17N3O3?CF3CO2H. Mole weight: 365.31. Purity: 0.96. IUPACName: 4-[(2,5-dioxopyrrol-1-yl)methyl]cyclohexane-1-carbohydrazide;2,2,2-trifluoroacetic acid. Canonical SMILES: C1CC(CCC1CN2C(=O)C=CC2=O)C(=O)NN.C(=O)(C(F)(F)F)O. Product ID: ACM359436592. Alfa Chemistry ISO 9001:2015 Certified.
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.
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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-(m-Aminoanilino)-2,5,6-trichloropyrimidine
4-(m-Aminoanilino)-2,5,6-trichloropyrimidine. Uses: Designed for use in research and industrial production. Additional or Alternative Names: EINECS 251-795-8, CID118589, 4-(m-Aminoanilino)-2,5,6-trichloropyrimidine, Pyrimidine, 4-(m-aminoanilino)-2,5,6-trichloro-, 1,3-Benzenediamine, N-(2,5,6-trichloro-4-pyrimidinyl)-, 1,3-Benzenediamine, N1-(2,5,6-trichloro-4-pyrimidinyl)-, 34017-39-5. Product Category: Heterocyclic Organic Compound. CAS No. 34017-39-5. Molecular formula: C10H7Cl3N4. Mole weight: 289.548380 [g/mol]. Purity: 0.96. IUPACName: 3-N-(2,5,6-trichloropyrimidin-4-yl)benzene-1,3-diamine. Density: 1.608g/cm³. Product ID: ACM34017395. Alfa Chemistry ISO 9001:2015 Certified.
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.
4MeOPEPTC. Uses: Designed for use in research and industrial production. Product Category: Organic Thin-Film Transistor (OTFT). CAS No. 119215-14-4. Product ID: ACM119215144. Alfa Chemistry ISO 9001:2015 Certified.
4-Mercapto-1-butanol
4-Mercapto-1-butanol. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4-MERCAPTO-1-BUTANOL;4-MERCAPTO-1-BUTANOL 97+%;4-Mercaptobutan-1-ol;4-Mercapto-1-butanol 95%. Product Category: Biomaterials. CAS No. 14970-83-3. Molecular formula: C4H10OS. Mole weight: 106.19. Product ID: ACM14970833. Alfa Chemistry ISO 9001:2015 Certified. Categories: 4-sulfanylbutan-1-ol.
4-Mercapto-2,6-di-tert-butylphenol
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.
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4-Mercapto-2-methoxybenzoic acid
4-Mercapto-2-methoxybenzoic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4-Mercapto-2-methoxybenzoic acid;2-Methoxy-4-mercaptobenzoic acid. Product Category: Heterocyclic Organic Compound. Appearance: Off-White Solid. CAS No. 95420-72-7. Molecular formula: C8H8O3S. Mole weight: 184.21. Product ID: ACM95420727. Alfa Chemistry ISO 9001:2015 Certified.
4-Mercaptobenzoic acid
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.
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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.
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4-Mercaptobenzoic Acid, Technical Grade
4-Mercaptobenzoic Acid, Technical Grade. Group: Biochemicals. Grades: Purified. Pack Sizes: 10g. US Biological Life Sciences.
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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.
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4-Mercaptobenzyl Alcohol
Melting Point: 52-54°C. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 250mg. US Biological Life Sciences.
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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-Mercaptobutyric acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4-mercapto-butanoicaci;4-mercapto-butyricaci;gamma-mercaptobutyricacid;4-MERCAPTOBUTYRIC ACID;4-Thiobutyric Acid;4-Mercaptobutyric Acid Tech Grade;4-Mercaptobutanoic Acid;Butanoic acid, 4-Mercapto-. Product Category: Alkenes. CAS No. 13095-73-3. Molecular formula: C4H8O2S. Mole weight: 120.17. Product ID: ACM13095733. Alfa Chemistry ISO 9001:2015 Certified.
4-Mercaptobutyric Acid
Boiling Point: Group: Biochemicals. Alternative Names: 4-Thiobutyric Acid; 4-Mercaptobutanoic Acid. Grades: Highly Purified. CAS No. 13095-73-3. Pack Sizes: 25g. US Biological Life Sciences.
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4-Mercaptocinnamic Acid
4-Mercaptocinnamic Acid. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1g. US Biological Life Sciences.
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4-Mercaptocinnamic acid methyl ester
4-Mercaptocinnamic acid methyl ester. Group: Biochemicals. Alternative Names: 3-(4-Mercaptophenyl)-2-propenoic acid methyl ester; p-Mercapto-cinnamic acid methyl ester. Grades: Highly Purified. CAS No. 90843-37-1. Pack Sizes: 100mg, 250mg, 500mg, 1g, 2g. Molecular Formula: C10H10O2S. US Biological Life Sciences.
Worldwide
4-Mercaptocinnamic acid methyl ester
4-Mercaptocinnamic acid methyl ester. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 3-(4-Mercaptophenyl)-2-propenoic Acid Methyl Ester; p-Mercapto-cinnamic Acid Methyl Ester. Product Category: Heterocyclic Organic Compound. CAS No. 90843-37-1. Molecular formula: C10H10O2S. Mole weight: 194.25. Purity: 0.96. IUPACName: methyl 3-(4-sulfanylphenyl)prop-2-enoate. Canonical SMILES: COC(=O)C=CC1=CC=C(C=C1)S. Density: 1.191g/cm³. Product ID: ACM90843371. Alfa Chemistry ISO 9001:2015 Certified.
4-Mercaptoethylpyridine
4-Mercaptoethylpyridine. Group: Biochemicals. Alternative Names: 2-(4-Pyridyl)ethanediol hydrochloride. Grades: Highly Purified. CAS No. 2127-5-1. Pack Sizes: 250mg, 500mg, 1g, 2g, 5g. Molecular Formula: C7H9NS. US Biological Life Sciences.
Worldwide
4-Mercaptoethylpyridine HCl
4-Mercaptoethylpyridine HCl. Group: Biochemicals. Alternative Names: 4-Pyridine ethanethiol HCl; 2-(4-Pyridyl)-ethanethiol HCl. Grades: Highly Purified. CAS No. 6298-11-9. Pack Sizes: 25g, 50g, 100g, 250g, 500g. Molecular Formula: C7H9NS·HCl. US Biological Life Sciences.
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4-Mercaptomethyl Dipicolinic Acid
A Dipicolinic acid tag for rigid lanthanide tagging of proteins and paramagnetic NMR Spectroscopy. The tag, 4-mercaptomethyl-dipicolinic acid, binds lanthanide ions with nanomolar affinity, is readily attached to proteins via a disulfide bond, and avoids the problems of diastereomer formation associated with most of the conventional lanthanide tags. Group: Biochemicals. Alternative Names: 4-(Mercaptomethyl)-. Grades: Highly Purified. CAS No. 1040401-18-0. Pack Sizes: 5mg. US Biological Life Sciences.
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4-(Mercaptomethyl)oxazolidine-2,5-dione
4-(Mercaptomethyl)oxazolidine-2,5-dione. Uses: Designed for use in research and industrial production. Additional or Alternative Names: EINECS 227-952-1, CID110756, 4-(Mercaptomethyl)oxazolidine-2,5-dione, 6050-68-6. Product Category: Heterocyclic Organic Compound. CAS No. 6050-68-6. Molecular formula: C4H5NO3S. Mole weight: 147.152400 [g/mol]. Purity: 0.96. IUPACName: 4-(sulfanylmethyl)-1,3-oxazolidine-2,5-dione. Canonical SMILES: C(C1C(=O)OC(=O)N1)S. Density: 1.231g/cm³. ECNumber: 227-952-1. Product ID: ACM6050686. Alfa Chemistry ISO 9001:2015 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.
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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.
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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.
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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.
A useful synthetic intermediate for the preparation of novel antiinflammatory agents. Group: Biochemicals. Alternative Names: 3- (4-Mercaptophenyl) propionic Acid. Grades: Highly Purified. Pack Sizes: 500mg. US Biological Life Sciences.
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4-Mercaptopyrazolo[3,4d]pyrimidine
4-Mercaptopyrazolo[3,4d]pyrimidine. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Tisopurine, Thiopurinol, Tisopurina, Tisopurinum, Exuracid, Purine analog, Allopurinol, thio-, Exuracid (TN), MPP (pharmaceutical), Tisopurine (INN), Tisopurinum [INN-Latin], Tisopurina [INN-Spanish], MPP (VAN), 8-Aza-7-deaza-6-thiopurine, UNII-79F9I2R16M, RS 570/T, ZERO/004542, NSC1392, DO 970, AIDS045555. Product Category: Heterocyclic Organic Compound. CAS No. 5334-23-6. Molecular formula: C5H4N4S. Mole weight: 152.18. Purity: 0.96. IUPACName: 1,2-dihydropyrazolo[3,4-d]pyrimidine-4-thione. Canonical SMILES: C1=C2C(=NC=NC2=S)NN1. ECNumber: 226-251-8. Product ID: ACM5334236. Alfa Chemistry ISO 9001:2015 Certified.
4-Mercaptopyridine
A pyridine derivative used as a redox reagents for the in vitro refolding of a recombinantly expressed single-chain Fv fragment (scFvOx). Used in studies along with thiosulfate to measure alliinase activity. Group: Biochemicals. Alternative Names: 4-Pyridinethiol; 4-Thiopyridine; 4-Sulfanylpyridine; NSC 76036. Grades: Highly Purified. CAS No. 4556-23-4. Pack Sizes: 1g, 5g, 10g. US Biological Life Sciences.
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4-Mercaptopyridine-2-carboxylic acid
4-Mercaptopyridine-2-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4-Mercaptopyridine-2-carboxylic acid;4-Mercapto-2-pyridinecarboxylic acid. Product Category: Heterocyclic Organic Compound. CAS No. 18103-74-7. Molecular formula: C6H5NO2S. Mole weight: 155.1744. Product ID: ACM18103747. Alfa Chemistry ISO 9001:2015 Certified.
4-Mercaptopyridine-3-carboxylic acid
4-Mercaptopyridine-3-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4-MERCAPTOPYRIDINE-3-CARBOXYLIC ACID, AJ-333/25022011, 18103-73-6, AC1LGDAY, 4-sulfanylnicotinic acid, SureCN1219583, CTK0H2178, MolPort-003-802-522, 4-sulfanylpyridine-3-carboxylic acid, SBB087075, 3-Pyridinecarboxylicacid, 4-mercapto-, AKOS006278769, AKOS015855955, AG-C-04096, 4-sulfanylidene-1H-pyridine-3-carboxylic acid, Nicotinicacid, 4-mercapto- (6CI,8CI); 4-Mercaptonicotinic acid. Product Category: Heterocyclic Organic Compound. CAS No. 18103-73-6. Molecular formula: C6H5NO2S. Mole weight: 155.1744. Purity: 0.96. IUPACName: 4-sulfanylidene-1H-pyridine-3-carboxylic acid. Canonical SMILES: C1=CNC=C(C1=S)C(=O)O. Product ID: ACM18103736. Alfa Chemistry ISO 9001:2015 Certified.
4-Methacryloxy-2-hydroxybenzophenone,min 99%
4-Methacryloxy-2-hydroxybenzophenone,min 99%. Group: Uv absorbents. CAS No. 2035-72-5.
4-Methacryloxyethyl trimellitic anhydride
4-Methacryloxyethyl trimellitic anhydride. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylicaci2-((2-methyl-1-oxo-2-pr;4-meta;4-methacryloxyethyltrimellitateanhydride;4-Methacryloxyethyltrimelliticacidanhydride;openyl)oxy)ethylester;4-METHACRYLOXYETHYL TRIMELLITIC ANHYDRIDE;2-[(2-methyl-1-oxoallyl). CAS No. 70293-55-9. Molecular formula: C15H12O7. Mole weight: 304.2. Purity: 0.96. IUPACName: 2-(2-methylprop-2-enoyloxy)ethyl1,3-dioxo-2-benzofuran-5-carboxylate. Canonical SMILES: CC(=C)C(=O)OCCOC(=O)C1=CC2=C(C=C1)C(=O)OC2=O. Density: 1.374. ECNumber: 274-547-0. Product ID: ACM70293559. Alfa Chemistry ISO 9001:2015 Certified.
4-METHANESULFONYL-BENZOIC ACID ETHYL ESTER. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4-METHANESULFONYL-BENZOIC ACID ETHYL ESTER. Product Category: Heterocyclic Organic Compound. CAS No. 6274-54-0. Product ID: ACM6274540. Alfa Chemistry ISO 9001:2015 Certified.