A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
4-[(Z)-2-Chloro-1-[4-(2-diethylaminoethoxy)phenyl]-2-phenyl-ethenyl]-2-methoxy-phenol. CAS No. 117095-59-7. Product ID: ACM117095597. Alfa Chemistry - ISO 9001:32057 Certified.
4J29 Alloy Powder
4J29 alloy is a kind of precision alloy with excellent properties. It is widely used in the fields of 3D printing and electronic packaging, especially in the sealing structure materials of electric vacuum devices.
4J32 Alloy Powder
4J32 alloy is a non-magnetic, low hardness, strong oxidation resistance and long service life material, which is widely used in industrial manufacturing.
4J33 Alloy Powder
The linear expansion coefficient of 4J33 alloy is close to that of 95% Al2O3 ceramics in the temperature range of -60 °C to 600 °C.
4J36 Alloy Powder
4J36 alloy is a special low expansion iron-nickel alloy with ultra-low expansion coefficient.
4J42 Alloy Powder
4J42 alloy is a low expansion iron-nickel alloy, and its chemical composition is mainly composed of iron and nickel. It has a low coefficient of expansion and good thermal conductivity.
4J50 Alloy Powder
The expansion coefficient and Curie point of 4J50 alloy increase with the increase of nickel content. It is a widely used sealing structure material in the electric vacuum industry.
4J52 Alloy Powder
The expansion coefficient and Curie point of 4J52 alloy increase with the increase of nickel content. It is a widely used sealing structure material in the electric vacuum industry.
4J58 Alloy Powder
4J58 alloy is an alloy with a certain expansion coefficient in the temperature range from room temperature to 600 °C. It has good dimensional stability and certain corrosion resistance in long-term use.
4 kDa defensin
4 kDa defensin is an antimicrobial peptide produced by Apis mellifera (Honeybee). It has antibacterial activity against Gram-positive bacteria. Alternative Names: Antibacterial 4 kDa peptide; Gly-Phe-Gly-Cys-Pro-Leu-Asn-Gln-Gly-Ala-Cys-His-Arg-His-Cys-Arg-Ser-Ile-Arg-Arg-Arg-Gly-Gly-Tyr-Cys-Ala-Gly-Phe-Phe-Lys-Gln-Thr-Cys-Thr-Cys-Tyr-Arg-Asn (Disulfide bridge: Cys4-Cys25, Cys11-Cys33, Cys15-Cys35). Grades: >85%. Molecular formula: C181H273N65O48S6. Mole weight: 4319.94.
4-Keto 13-cis-retinoic acid
4-Keto 13-cis-retinoic acid. 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. CAS No. 71748-58-8. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. Molecular Formula: C20H26O3. US Biological Life Sciences.
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. Alternative Names: 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. Grades: 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-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 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 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.
4-Maleimidobutyric Acid is a short crosslinking reagent. Alternative Names: MBA; 2,5-Dihydro-2,5-dioxo-1H-pyrrole-1-butanoic Acid; N-(3-Carboxypropyl)maleimide; 1H-Pyrrole-1-butanoic acid, 2,5-dihydro-2,5-dioxo-; Maleimide-(CH2)3-COOH; 4-(2,5-dioxo-2H-pyrrol-1(5H)-yl)butanoic acid; 4-MaleimidobutyricAcid(GMBA); SCHEMBL155346; 2,5-Dioxo-3-pyrroline-1-butyric acid; γ-Maleimidobutyric acid; 4-Maleimidobutanoic acid; N-Maleoyl-4-aminobutyric acid; N-Maleoyl-GABA. Grades: 98 % (HPLC). CAS No. 57078-98-5. Molecular formula: C8H9NO4. Mole weight: 183.16.
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
A short crosslinking reagent. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1g. US Biological Life Sciences.
Worldwide
4-Maleimidobutyric acid hydrazide
4-Maleimidobutyric acid hydrazide. CAS No. 181148-01-6. Purity: 97+%. Product ID: ACM181148016. Molecular formula: C8H11N3O3. Alfa Chemistry - ISO 9001:32057 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.
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-MALEIMIDO-TEMPO
4-MALEIMIDO-TEMPO. Uses: A thiol specific spin label. Alternative Names: 4-maleimido-2,2,6,6-tetramethylpiperidinooxyl; N-(1-OXYL-2,2,6,6-TETRAMETHYL-4-PIPERIDINYL)MALEIMIDE; TEMPO-MALEIMIDE; MAL 6; 4-MALEIMIDO-TEMPO; 4-MALEIMIDO-TEMPO, FREE RADICAL. Grades: 95%. CAS No. 15178-63-9. Molecular formula: C13H19N2O3 *. Mole weight: 251.3.
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. Alternative Names: N4- Monobutyrylcytidine- 3', 5'- cyclic monophosphate, sodium salt. Grades: ≥ 97% by HPLC. Molecular formula: C13H17N3O8P · Na. Mole weight: 397.3.
4ME 16:0 PS
4ME 16:0 PS is a sodium salt of a fatty acid modified lipid. Alternative Names: 1,2-diphytanoyl-sn-glycero-3-phospho-L-serine (sodium salt); 1,2-di-(3,7,11,15-tetramethylhexadecanoyl)-sn-glycero-3-phospho-L-serine (sodium salt); PS(16:0(3me,7me,11me,15me)/16:0(3me,7me,11me,15me)). Grades: >99%. CAS No. 474967-76-5. Molecular formula: C46H89NNaO10P. Mole weight: 870.16.
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
4-Mercaptobenzoic acid (CAS# 1074-36-8) is a compound useful in organic synthesis. Alternative Names: 4-sulfanylbenzoic acid. Grades: 95 %. CAS No. 1074-36-8. Molecular formula: C7H6O2S. Mole weight: 154.19.
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.