A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
This bacterial enzyme is involved in the modification of secondary bile acids to form 3β-bile acids (also known as iso-bile acids) via a 3-oxo intermediate. The enzyme catalyses a reversible reaction in vitro. Also acts on related bile acids. cf. EC 1.1.1.52, 3α-hydroxycholanate dehydrogenase (NAD+). Group: Enzymes. Synonyms: α-hydroxy-cholanate dehydrogenase (ambiguous). Enzyme Commission Number: EC 1.1.1.392. CAS No. 9028-57-3. 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-0312; 3α-hydroxycholanate dehydrogenase (NADP+); EC 1.1.1.392; 9028-57-3; α-hydroxy-cholanate dehydrogenase (ambiguous). Cat No: EXWM-0312.
3α-hydroxyglycyrrhetinate dehydrogenase
Highly specific to 3α-hydroxy derivatives of glycyrrhetinate and its analogues. Not identical to EC 1.1.1.50 3α-hydroxysteroid dehydrogenase (Si-specific). Group: Enzymes. Enzyme Commission Number: EC 1.1.1.230. CAS No. 114308-07-5. 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-0137; 3α-hydroxyglycyrrhetinate dehydrogenase; EC 1.1.1.230; 114308-07-5. Cat No: EXWM-0137.
3α-Hydroxy Pravastatin-D3 Sodium Salt
3α-Hydroxy Pravastatin-D3 Sodium Salt. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1346599-14-1. Molecular Formula: C23H32D3NaO7. Mole Weight: 449.53. Catalog: APB1346599141.
3α-Hydroxy Pravastatin Lactone-D3
3α-Hydroxy Pravastatin Lactone-D3. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1329809-35-9. Molecular Formula: C23H31D3O6. Mole Weight: 409.54. Catalog: APB1329809359.
3α-hydroxysteroid 3-dehydrogenase
The enzyme acts on multiple 3α-hydroxysteroids, such as androsterone and 5 α-dihydrotestosterone. The mammalian enzymes are involved in inactivation of steroid hormones, while the bacterial enzymes are involved in steroid degradation. This entry stands for enzymes whose stereo-specificity with respect to NAD+ or NADP+ is not known. [cf. EC 1.1.1.50, 3α-hydroxysteroid 3-dehydrogenase (Si-specific) and EC 1.1.1.213, 3α-hydroxysteroid 3-dehydrogenase (Re-specific)]. Group: Enzymes. Synonyms: 3α-hydroxysteroid dehydrogenase; AKR1C4 (gene name); AKR1C2 (gene name); hsdA (gene name). Enzyme Commission Number: EC 1.1.1.357. 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-0273; 3α-hydroxysteroid 3-dehydrogenase; EC 1.1.1.357; 3α-hydroxysteroid dehydrogenase; AKR1C4 (gene name); AKR1C2 (gene name); hsdA (gene name). Cat No: EXWM-0273.
3α-hydroxysteroid 3-dehydrogenase (Re-specific)
The enzyme acts on multiple 3α-hydroxysteroids. Re-specific with respect to NAD+ or NADP+ [cf. EC 1.1.1.50, 3α-hydroxysteroid 3-dehydrogenase (Si-specific)]. Enzymes whose stereo-specificity with respect to NAD+ or NADP+ is not known are described by EC 1.1.1.357, 3α-hydroxysteroid 3-dehydrogenase. Group: Enzymes. Synonyms: 3α-hydroxysteroid dehydrogenase; 3α-hydroxysteroid:NAD(P)+ 3-oxidoreductase (A-specific); 3α-hydroxysteroid 3-dehydrogenase (A-specific). Enzyme Commission Number: EC 1.1.1.213. CAS No. 9028-56-2. 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-0118; 3α-hydroxysteroid 3-dehydrogenase (Re-specific); EC 1.1.1.213; 9028-56-2; 3α-hydroxysteroid dehydrogenase; 3α-hydroxysteroid:NAD(P)+ 3-oxidoreductase (A-specific); 3α-hydroxysteroid 3-dehydrogenase (A-specific). Cat No: EXWM-0118.
3α-hydroxysteroid 3-dehydrogenase (Si-specific)
The enzyme acts on androsterone and other 3α-hydroxysteroids and on 9-, 11- and 15-hydroxyprostaglandin. Si-specific with respect to NAD+ or NADP+. cf. EC 1.1.1.213, 3α-hydroxysteroid 3-dehydrogenase (Re-specific). Group: Enzymes. Synonyms: hydroxyprostaglandin dehydrogenase; 3α-hydroxysteroid oxidoreductase; sterognost 3α; 3α-hydroxysteroid dehydrogenase (B-specific); 3α-hydroxysteroid 3-dehydrogenase (B-specific); 3α-hydroxysteroid:NAD(P)+ 3-oxidoreductase (B-specific). Enzyme Commission Number: EC 1.1.1.50. CAS No. 9028-56-2. 3α-Hydroxysteroid Dehydrogenase. 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-0335; 3α-hydroxysteroid 3-dehydrogenase (Si-specific); EC 1.1.1.50; 9028-56-2; hydroxyprostaglandin dehydrogenase; 3α-hydroxysteroid oxidoreductase; sterognost 3α; 3α-hydroxysteroid dehydrogenase (B-specific); 3α-hydroxysteroid 3-dehydrogenase (B-specific); 3α-hydroxysteroid:NAD(P)+ 3-oxidoreductase (B-specific). Cat No: EXWM-0335.
3α-Hydroxysteroid Dehydrogenase from B. choshinensis, Recombinant
In enzymology, a 3alpha-hydroxysteroid dehydrogenase (B-specific) (EC 1.1.1.50) is an enzyme that catalyzes the chemical reaction: androsterone + NAD(P)+ <-> 5alpha-androstane-3,17-dione + NAD(P)H + H+. The 3 substRates of this enzyme are androsterone, NAD+, and NADP+, whereas its 4 products are 5alpha-androstane-3,17-dione, NADH, NADPH, and H+. This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with NAD+ or NADP+ as acceptor, more specifically it is part of the group of hydroxysteroid dehydrogenases. Group: Enzymes. Synonyms: hydroxyprostaglandin dehydrogenase; 3α-hydroxysteroid oxidoreductase; sterognost 3α; 3α-hydroxysteroid dehydrogenas. Enzyme Commission Number: EC 1.1.1.50. CAS No. 9028-56-2. 3α-Hydroxysteroid Dehydrogenase. Mole weight: ca. 41 kDa. Activity: > 30 U/mg lyophilizate. Stability: stable at 37°C for at least four weeks. Appearance: White lyophilizate. Storage: at -20°C. Source: B. choshinensis. Species: B. choshinensis. hydroxyprostaglandin dehydrogenase; 3α-hydroxysteroid oxidoreductase; sterognost 3α; 3α-hydroxysteroid dehydrogenase (B-specific); 3α-hydroxysteroid 3-dehydrogenase (B-specific); 3α-hydroxysteroid:NAD(P)+ 3-oxidoreductase (B-specific); EC 1.1.1.50. Cat No: DIA-413.
3α-Hydroxysteroid Dehydrogenase, Recombinant
In enzymology, a 3alpha-hydroxysteroid dehydrogenase (B-specific) (EC 1.1.1.50) is an enzyme that catalyzes the chemical reaction: androsterone + NAD (P)+ ? 5alpha-androstane-3,17-dione + NAD (P)H + H+. The 3 substRates of this enzyme are androsterone, NAD+, and NADP+, whereas its 4 products are 5alpha-androstane-3,17-dione, NADH, NADPH, and H+. This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with NAD+ or NADP+ as acceptor, more specifically it is part of the group of hydroxysteroid dehydrogenases. Applications: Bile acid is one of the substrates of 3α-hydroxy steroiddehydrogenase. 3α-hydroxy ste...3-dehydrogenase (B-specific); 3α-hydroxysteroid:NAD (P)+ 3-oxidoreductase (B-specific); EC 1.1.1.50. Enzyme Commission Number: EC 1.1.1.50. Purity: 90% (SDS-PAGE test). Mole weight: About 28 kDa (SDS-PAGE detection). Activity: About 50U/mg powder. Appearance: White powder, lyophilized. Storage: 4°C, store at -20°C for long-term preservation. Form: Freeze dried powder. hydroxyprostaglandin dehydrogenase; 3α-hydroxysteroid oxidoreductase; sterognost 3α; 3α-hydroxysteroid dehydrogenase (B-specific); 3α-hydroxysteroid 3-dehydrogenase (B-specific); 3α-hydroxysteroid:NAD (P)+ 3-oxidoreductase (B-specific); EC 1.1.1.50. Cat No: NATE-1138.
3-(α-Methylbenzyl) Saligenin
3-(α-Methylbenzyl) Saligenin is a derivative of Saligenin (H809700), a phenolic component of a part of a salix bark extract which maintains a minor anti-depressant effect. Phenolic analog with potential for anti-melanomic effect. Group: Biochemicals. Grades: Highly Purified. CAS No. 94001-67-9. Pack Sizes: 10mg, 100mg. Molecular Formula: C15H16O2, Molecular Weight: 228.29. US Biological Life Sciences.
Worldwide
3-α-mycarosylerythronolide B desosaminyl transferase
The enzyme is involved in erythromycin biosynthesis. Group: Enzymes. Synonyms: EryCIII; dTDP-3-dimethylamino-4,6-dideoxy-α-D-glucopyranose:3-α-mycarosylerythronolide B 3-dimethylamino-4,6-dideoxy-α-D-glucosyltransferase. Enzyme Commission Number: EC 2.4.1.278. 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-2510; 3-α-mycarosylerythronolide B desosaminyl transferase; EC 2.4.1.278; EryCIII; dTDP-3-dimethylamino-4,6-dideoxy-α-D-glucopyranose:3-α-mycarosylerythronolide B 3-dimethylamino-4,6-dideoxy-α-D-glucosyltransferase. Cat No: EXWM-2510.
The 3α-hydroxy group or 20β-hydroxy group of pregnane and androstane steroids can act as donor. Group: Enzymes. Synonyms: cortisone reductase; (R)-20-hydroxysteroid dehydrogenase; dehydrogenase, 20β-hydroxy steroid; Δ4-3-ketosteroid hydrogenase; 20β-hydroxysteroid dehydrogenase; 3α,20β-hydroxysteroid:NAD+-oxidoreductase; NADH-20β-hydroxysteroid dehydrogenase; 20β-HSD. Enzyme Commission Number: EC 1.1.1.53. CAS No. 9028-42-6. 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-0338; 3α(or 20β)-hydroxysteroid dehydrogenase; EC 1.1.1.53; 9028-42-6; cortisone reductase; (R)-20-hydroxysteroid dehydrogenase; dehydrogenase, 20β-hydroxy steroid; Δ4-3-ketosteroid hydrogenase; 20β-hydroxysteroid dehydrogenase; 3α,20β-hydroxysteroid:NAD+-oxidoreductase; NADH-20β-hydroxysteroid dehydrogenase; 20β-HSD. Cat No: EXWM-0338.
Cortisone metabolite. Group: Biochemicals. Alternative Names: (3α,5 β ) -21- (Acetyloxy) -3-[[ (1, 1-dimethylethyl) dimethylsilyl]oxy]-17-hydroxy-pregnane-11, 20-dione. Grades: Highly Purified. CAS No. 83274-72-0. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
3α-O-tert-Butyldimethylsilyl Tetrahydro Cortisone
Cortisone metabolite. Group: Biochemicals. Alternative Names: (3α,5 β ) -3-[[ (1, 1-Dimethylethyl) dimethylsilyl]oxy]-17, 21-dihydroxy-pregnane-11, 20-dione. Grades: Highly Purified. CAS No. 83274-73-1. Pack Sizes: 5mg. US Biological Life Sciences.
Worldwide
3α-paricalcitol
3α-paricalcitol is an isomer of paricalcitol, an analogue of vitamin D2. Paricalcitol is a medication used for the treatment of secondary hyperparathyroidism. CAS No. 216161-87-4. Molecular formula: C27H44O3. Mole weight: 416.64.
3α-Phenylacetoxy Tropane-d5
An alkaloid used in the preparation of labeled Atropine. Group: Biochemicals. Alternative Names: Benzeneacetic Acid (3-endo)-8-Methyl-8-azabicyclo[3.2.1]oct-3-yl Ester-d5; endo-3α-Phenylacetoxytropane 8-methyl-8-azabicyclo[3.2.1]oct-3-yl Ester-d5. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
3α(S)-strictosidine β-glucosidase
Does not act on a number of closely related glycosides. Strictosidine is a precursor of indole alkaloids. Group: Enzymes. Enzyme Commission Number: EC 3.2.1.105. CAS No. 73379-57-4. 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-3788; 3α(S)-strictosidine β-glucosidase; EC 3.2.1.105; 73379-57-4. Cat No: EXWM-3788.
Bioreductive anticancer agent. Selectively toxic to cells under hypoxic conditions. An antineoplastic. Group: Biochemicals. Alternative Names: SR-4233, Tirapazamine. Grades: Highly Purified. CAS No. 27314-97-2. Pack Sizes: 100mg. US Biological Life Sciences.
Worldwide
3-Amino-1,2,4-benzotriazine-1-N-oxide
An intermediate in the synthesis of Tirapazamine, a bioreductive anticancer agent. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 500mg. US Biological Life Sciences.
Worldwide
3-Amino-1,2,4-benzotriazine-1-N-oxide
Heterocyclic Organic Compound. Alternative Names: 3-Amino-1,2,4-benzotriazine-1-N-oxide;1-Oxy-benzo[1,2,4]triazin-3-ylamine. CAS No. 5424-6-6. Molecular formula: C7H6N4O. Catalog: ACM1287273.
3-Amino-1,2,4-benzotriazine-1-N-oxide ≥96% (HPLC)
3-Amino-1,2,4-benzotriazine-1-N-oxide ≥96% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 100mg, 250mg, 1g. US Biological Life Sciences.
Worldwide
3-Amino-1,2,4-dithiazole-5-thione
3-Amino-1,2,4-dithiazole-5-thione. Group: Biochemicals. Grades: Highly Purified. CAS No. 6846-35-1. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g. US Biological Life Sciences.
Worldwide
3-Amino-1,2,4-triazole
100g Pack Size. Group: Biochemicals. Formula: C2H4N4. CAS No. 1004-40-6. Prepack ID 69030032-100g. Molecular Weight 84.08. See USA prepack pricing.
3-Amino-1,2,4-triazole-5-carboxylic acid
25g Pack Size. Group: Building Blocks, Organics. Formula: C3H4N4O2. CAS No. 3641-13-2. Prepack ID 22677851-25g. Molecular Weight 128.09. See USA prepack pricing.
3-Amino-1,2,4-triazole-5-carboxylic acid
100g Pack Size. Group: Building Blocks, Organics. Formula: C3H4N4O2. CAS No. 3641-13-2. Prepack ID 22677851-100g. Molecular Weight 128.09. See USA prepack pricing.
3-Amino-1,2,4-triazole-5-carboxylic acid
3-Amino-1,2,4-triazole-5-carboxylic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 3641-13-2. Pack Sizes: 5g, 10g, 25g, 50g, 100g. US Biological Life Sciences.
Worldwide
3-Amino-1,2,4-triazole-5-carboxylic acid hydrate
3-Amino-1,2,4-triazole-5-carboxylic acid hydrate. Group: Biochemicals. Grades: Highly Purified. CAS No. 304655-78-5. Pack Sizes: 50g, 100g, 250g, 500g, 1kg. Molecular Formula: C3H4N4O2·xH2O. US Biological Life Sciences.
Worldwide
3-Amino-1,2,4-triazole-5-thiol 98+% (HPLC)
3-Amino-1,2,4-triazole-5-thiol 98+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 5g, 100g, 250g, 1Kg. US Biological Life Sciences.
Worldwide
3-Amino-1,2,4-triazole (Amitrole) 99+%
Herbicide; plant regulator. Group: Biochemicals. Alternative Names: 1H-1,2,4-Triazol-5-amine; 3-Amino-s-triazole; (4H-1,2,4-Triazol-3-yl)amine; Amitrole. Grades: Highly Purified. CAS No. 61-82-5. Pack Sizes: 250g, 500g, 1Kg. Molecular Formula: C?H?N?, Molecular Weight: 84.08. US Biological Life Sciences.
Worldwide
3-Amino-1,2-benzisoxazole-6-carbonitrile
3-Amino-1,2-benzisoxazole-6-carbonitrile. Group: Biochemicals. Grades: Highly Purified. CAS No. 229623-53-4. Pack Sizes: 25mg, 50mg. Molecular Formula: C8H5N3O, Molecular Weight: 159.15. US Biological Life Sciences.
3-Amino-1,2-dihydro-6-chloro-1-methyl-4-phenylquinolin-2(1H)-one is an impurity in the synthesis of Diazepam (D416855), an anxiolytic; muscle relaxant (skeletal); anticonvulsant. Group: Biochemicals. Grades: Highly Purified. CAS No. 5220-02-0. Pack Sizes: 1mg, 5mg. Molecular Formula: C16H13ClN2O, Molecular Weight: 284.74. US Biological Life Sciences.
Worldwide
3-Amino-1,2-propandiol
3-Amino-1,2-propandiol is used in the synthesis of Decarbazolyl Carvedilol (D212720), a metabolite of Carvedilol (C184625) found in humans, rats, dogs and mice. Group: Biochemicals. Grades: Highly Purified. CAS No. 616-30-8. Pack Sizes: 1g, 10g. Molecular Formula: C3H9NO2. US Biological Life Sciences.
Worldwide
3-Amino-1,2-propanediol
3-Amino-1,2-propanediol. Group: Biochemicals. Grades: Highly Purified. CAS No. 616-30-8. Pack Sizes: 25g, 50g, 100g, 250g, 500g. Molecular Formula: C3H9NO2. US Biological Life Sciences.
Trp-P-1 is highly mutagenic in the Ames test. Investigations have shown that broiled fish, fried beef and commercial beef extracts, and protein pyrolysates contain this mutagen. Group: Biochemicals. Alternative Names: TRP-P-1-13C2,15N Acetate. Grades: Highly Purified. Pack Sizes: 500ug. US Biological Life Sciences.
Trp-P-1 is highly mutagenic in the Ames test. Investigations have shown that broiled fish, fried beef and commercial beef extracts, and protein pyrolysates contain this mutagen. Group: Biochemicals. Alternative Names: TRP-P-1, Acetate. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
3-Amino-1,4-dimethylpyrazole
3-Amino-1,4-dimethylpyrazole is used in the preparation of peptides as cysteine protease inhibitors. Group: Biochemicals. Alternative Names: 1,4-Dimethyl-1H-pyrazol-3-amine. Grades: Highly Purified. CAS No. 85485-61-6. Pack Sizes: 50mg. US Biological Life Sciences.
Worldwide
3-Amino-1-(4-isopropyl-piperazin-1-yl)-1-propanone x 2 hcl
3-Amino-1-(4-octylphenyl)butane-1,4-diol is a related compound of the drug Fingolimod hydrochloride (F805000), an immunosuppressive agent that prolongs allograft transplant survival in numerous models by inhibiting lymphocyte emigration from lymphoid organs. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg, 50mg. Molecular Formula: C18H31NO2, Molecular Weight: 293.44. US Biological Life Sciences.
Worldwide
3-Amino-1,5-pentanediol
3-Amino-1,5-pentanediol is an substituent in the synthesis of Pamapimod (P167500), a selective inhibitor of the α-isoform of p38 MAP kinase. Group: Biochemicals. Grades: Highly Purified. CAS No. 1117-23-3. Pack Sizes: 10mg, 50mg. Molecular Formula: C5H13NO2. US Biological Life Sciences.
Worldwide
3-Amino-1-adamantanecarboxylic acid
3-Amino-1-adamantanecarboxylic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 6240-10-4. Pack Sizes: 500mg, 1g, 2g, 5g, 10g. Molecular Formula: C16H16ClN5O3S. US Biological Life Sciences.
Worldwide
3-Amino-1-adamantanol
3-Amino-1-adamantanol. Group: Biochemicals. Alternative Names: 3-Amino-1-hydroxyadamantane. Grades: Highly Purified. CAS No. 702-82-9. Pack Sizes: 50g, 100g, 250g, 500g, 1kg. Molecular Formula: C10H17NO. US Biological Life Sciences.
Worldwide
3-Amino-1-adamantyl)acetic acid hydrochloride
100mg Pack Size. Group: Building Blocks, Organics. Formula: C12H20ClNO2. CAS No. 75667-94-6. Prepack ID 90026616-100mg. Molecular Weight 245.75. See USA prepack pricing.