A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
ltrombopag Impurity 16. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2'-acetoxy-3'-nitro-[1,1'-biphenyl]-3-carboxylic acid. Molecular Formula: C15H11NO6. Mole Weight: 301.25. Catalog: APB05631.
ltrombopag Impurity 17
ltrombopag Impurity 17. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 5'-bromo-2'-hydroxy-3'-nitro-[1,1'-biphenyl]-3-carboxylic acid. Molecular Formula: C13H8BrNO5. Mole Weight: 338.11. Catalog: APB05630.
ltrombopag Impurity 18
ltrombopag Impurity 18. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3'-amino-2'-methoxy-[1,1'-biphenyl]-3-carboxylic acid. Molecular Formula: C14H13NO3. Mole Weight: 243.26. Catalog: APB05629.
ltrombopag Impurity 19
ltrombopag Impurity 19. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: methyl 3'-amino-2'-hydroxy-[1,1'-biphenyl]-3-carboxylate. Molecular Formula: C14H13NO3. Mole Weight: 243.26. Catalog: APB05628.
ltrombopag Impurity 20
ltrombopag Impurity 20. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4'',6'-dihydroxy-5',5''-dinitro-[1,1':3',1'':3'',1'''-quaterphenyl]-3,3'''-dicarboxylic acid. Molecular Formula: C26H16N2O10. Mole Weight: 516.41. Catalog: APB05627.
ltrombopag Impurity 21
ltrombopag Impurity 21. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3-(2-(3'-amino-2'-hydroxy-[1,1'-biphenyl]-3-yl)-2,3-dihydrobenzo[d]oxazol-7-yl)benzoic acid. Molecular Formula: C26H20N2O4. Mole Weight: 424.45. Catalog: APB05626.
ltrombopag Impurity 22
ltrombopag Impurity 22. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (E)-3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)hydrazinyl)-2'-ethoxy-[1,1'-biphenyl]-3-carboxylic acid. Molecular Formula: C27H26N4O4. Mole Weight: 470.52. Catalog: APB05625.
ltrombopag Impurity 23
ltrombopag Impurity 23. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (E)-methyl 3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)hydrazinyl)-2'-hydroxy-[1,1'-biphenyl]-3-carboxylate. Molecular Formula: C26H24N4O4. Mole Weight: 456.49. Catalog: APB05624.
ltrombopag Impurity 24
ltrombopag Impurity 24. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (E)-3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)hydrazinyl)-2'-methoxy-[1,1'-biphenyl]-3-carboxylic acid. Molecular Formula: C26H24N4O4. Mole Weight: 456.49. Catalog: APB05623.
ltrombopag Impurity 25
ltrombopag Impurity 25. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (Z)-3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)-1-nitrosohydrazinyl)-2'-hydroxy-[1,1'-biphenyl]-3-carboxylic acid. Molecular Formula: C25H21N5O5. Mole Weight: 471.46. Catalog: APB05622.
ltrombopag Impurity 26
ltrombopag Impurity 26. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3'-carboxy-2-hydroxy-[1,1'-biphenyl]-3-diazonium chloride. Molecular Formula: C13H9ClN2O3. Mole Weight: 276.68. Catalog: APB05621.
ltrombopag Impurity 28
ltrombopag Impurity 28. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (Z)-2'-acetoxy-3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)hydrazinyl)-[1,1'-biphenyl]-3-carboxylic acid. Molecular Formula: C27H24N4O5. Mole Weight: 484.5. Catalog: APB05620.
ltrombopag Impurity 29
ltrombopag Impurity 29. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (Z)-1-(3,4-dimethylphenyl)-4-(hydroxyimino)-3-methyl-1H-pyrazol-5(4H)-one. Molecular Formula: C12H13N3O2. Mole Weight: 231.25. Catalog: APB05619.
ltrombopag Impurity 30
ltrombopag Impurity 30. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (E)-1-(3,4-dimethylphenyl)-4-(hydroxyimino)-3-methyl-1H-pyrazol-5(4H)-one. Molecular Formula: C12H13N3O2. Mole Weight: 231.25. Catalog: APB05617.
ltrombopag Impurity 31
ltrombopag Impurity 31. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (Z)-2-aminoethyl 3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)hydrazinyl)-2'-hydroxy-[1,1'-biphenyl]-3-carboxylate. Molecular Formula: C27H27N5O4. Mole Weight: 485.53. Catalog: APB05618.
ltrombopag Impurity 32
ltrombopag Impurity 32. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (Z)-2'-(2-aminoethoxy)-3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)hydrazinyl)-[1,1'-biphenyl]-3-carboxylic acid. Molecular Formula: C27H27N5O4. Mole Weight: 485.53. Catalog: APB05615.
ltrombopag Impurity 33
ltrombopag Impurity 33. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 1-(3,4-dimethylphenyl)-3-methyl-1H-pyrazole-4,5-dione. Molecular Formula: C12H12N2O2. Mole Weight: 216.24. Catalog: APB05616.
ltrombopag Impurity 34
ltrombopag Impurity 34. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3'-hydrazinyl-2'-hydroxy-[1,1'-biphenyl]-3-carboxylic acid. Molecular Formula: C13H12N2O3. Mole Weight: 244.25. Catalog: APB05613.
ltrombopag Impurity 9
ltrombopag Impurity 9. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3'-amino-2'-hydroxy-[1,1'-biphenyl]-3-carboxylic acid. CAS No. 376592-93-7. Molecular Formula: C13H11NO3. Mole Weight: 229.23. Catalog: APB376592937.
L-Tryptophan
L-tryptophan is one of the essential amino acids of the human body, is the precursor of the human body's important neurotransmitter - 5-hydroxytryptophan, used in nutritional supplements for pregnant women and special milk powder for milk children, used in the treatment of niacin deficiency (pellagra), often as a nutritional supplement, antioxidant. CAS No. 73-22-3. Product ID: CDF4-0220. Molecular formula: C11H12N2O2. Category: Amino acid. Product Keywords: Amino Acids; L-Tryptophan; CDF4-0220; Amino acid; C11H12N2O2; 73-22-3. Grade: Food Grade. Color: White to yellow-white. EC Number: 200-795-6. Physical State: powder. Solubility: 20% NH3: 0.1 g/mL at 20 °C, clear, colorless. Storage: 2-8°C. Boiling Point: 342.72°C (rough estimate). Melting Point: 289-290 °C (dec.)(lit.). Density: 1.34.
500g Pack Size. Group: Amino Acids, Biochemicals. Formula: C11H12N2O2. CAS No. 73-22-3. Prepack ID 13831082-500g. Molecular Weight 204.23. See USA prepack pricing.
L-Tryptophan
1kg Pack Size. Group: Amino Acids, Biochemicals. Formula: C11H12N2O2. CAS No. 73-22-3. Prepack ID 13831082-1kg. Molecular Weight 204.23. See USA prepack pricing.
L-Tryptophan
100g Pack Size. Group: Amino Acids, Biochemicals. Formula: C11H12N2O2. CAS No. 73-22-3. Prepack ID 13831082-100g. Molecular Weight 204.23. See USA prepack pricing.
L-Tryptophan
L-Tryptophan is an essential amino acid and a precursor to both serotonin and melatonin. Serotonin is a neurotransmitter playing a role in regulating appetite, sleep, mood, and pain. Melatonin is a hormone modulating sleep and wakefulness. Protein supplement in health care products. Uses: Ingredient of health care products. Synonyms: H-Trp-OH; L-Tryptophane; L-Tryptohan; Tryptophan, L-; (-)-Tryptophan; (2S)-2-Azaniumyl-3-(1H-indol-3-yl)propanoate; (S)-2-Amino-3-(1H-indol-3-yl)propanoic acid; (S)-Tryptophan; (S)-α-Amino-1H-indole-3-propanoic acid; (S)-α-Amino-β-indolepropionic acid; (S)-α-Aminoindole-3-propionic acid; 1H-Indole-3-alanine, (S)-; 1H-Indole-3-propanoic acid, α-amino-, (S)-; 2-Amino-3-indolylpropanoic acid; 3-Indol-3-ylalanine; L-(-)-Tryptophan; L-Alanine, 3-(1H-indol-3-yl)-; EH 121; l-α-Aminoindole-3-propionic acid; l-β-3-Indolylalanine; Lyphan; NSC 13119; Tryptophan; Tryptophane. Grades: >98%. CAS No. 73-22-3. Molecular formula: C11H12N2O2. Mole weight: 204.23.
L-Tryptophan
L-Tryptophan (Tryptophan) is an orally active and essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3. L-Tryptophan can promote an increase in stemness and osteogenic ability of BMSCs in vitro and in vivo. L-Tryptophan inhibits cell proliferation and induced cell cycle arrest with high levels [1] [2] [3]. Uses: Scientific research. Group: Natural products. Alternative Names: Tryptophan; Tryptophane. CAS No. 73-22-3. Pack Sizes: 10 mM * 1 mL; 100 mg. Product ID: HY-N0623.
L-Tryptophan
Amino acids-type drug: It can be used in amino acid infusion, being often combined with iron and vitamins. Its co-administration with VB6 can improve depression and prevention/treatment of skin disease; as a sleep sedative, it can be combined with L-dopa for the treatment of Parkinson's disease. It is carcinogenic to experimental animals; it may cause adverse reactions including nausea, anorexia and asthmas. Avoid combination with monoamine oxidase inhibitors. Nutritional supplements: Tryptophan contained in egg white protein, fish meat, corn meal and other amino acids are limited; content in cereals such as rice is also low. It can be combined with lysine, methionine and threonine for enhanced amino acids. It can be supplemented to corn product at the content of 0.02% tryptophan and 0.1% lysine, being capable of significantly improving the protein potency.tryptophan is one of the 21 amino acids comprising a protein. Tryptophan is a component of the skin's natural moisturizing factors. Group: Heterocyclic organic compound. Alternative Names: L-Beta-3-indolylalanine. CAS No. 73-22-3. Molecular formula: C11H12N2O2. Mole weight: 204.23. Appearance: White to yellow-white powder. Purity: 0.99. IUPACName: (2S)-2-Amino-3-(1H-indol-3-yl)propanoic acid. Canonical SMILES: C1=CC=C2C(=C1)C(=CN2)CC(C(=O)O)N. Density: 1.34 g/cm³. ECNumber: 200-795-6. Catalog: ACM73223.
L-Tryptophan- 13 C is the 13 C-labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3[1]. Uses: Scientific research. Group: Isotope-labeled compounds. Alternative Names: Tryptophan- 13 C; Tryptophane- 13 C. CAS No. 115709-68-7. Pack Sizes: 5 mg; 10 mg; 25 mg. Product ID: HY-N0623S1.
L-Tryptophan-13C11,15N2
L-Tryptophan- 13 C 11 , 15 N 2 is the 13 C- and 15 N-labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3[1]. Uses: Scientific research. Group: Isotope-labeled compounds. Alternative Names: Tryptophan- 13 C11, 15 N2; Tryptophane- 13 C11, 15 N2. CAS No. 202406-50-6. Pack Sizes: 1 mg; 5 mg; 10 mg. Product ID: HY-N0623S4.
L-Tryptophan-15N2
L-Tryptophan- 15 N 2 is the 15 N-labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3 [1]. Uses: Scientific research. Group: Isotope-labeled compounds. Alternative Names: Tryptophan- 15 N2; Tryptophane- 15 N2. CAS No. 204634-20-8. Pack Sizes: 1 mg; 5 mg; 10 mg. Product ID: HY-N0623S8.
. Uses: An amino acid amide used as a substrate for studying the action of aminopeptidase enzyme. note: the isomer d,l-tryptophanamide, hydrochloride is also available as catalogue number t89550. Synonyms: L-Trp-NH2 HCl; (2R,3R)-2-amino-3-hydroxy-N-naphthalen-2-ylbutanamide; L-Threonyl b-naphthylamide; Threonine b-naphthylamide; L-Threonine b-naphthylamide. Grades: ≥ 98% (HPLC). CAS No. 5022-65-1. Molecular formula: C11H13N3O·HCl. Mole weight: 239.70.
L-Tryptophanamide hydrochloride
L-Tryptophanamide hydrochloride. Group: Biochemicals. Alternative Names: (a-S)-a-Amino-1H-indole-3-propanamide Hydrochloride. Grades: Highly Purified. CAS No. 5022-65-1. Pack Sizes: 500mg, 1g, 2g, 5g, 10g. Molecular Formula: C11H14ClN3O. US Biological Life Sciences.
Worldwide
L-Tryptophanamide, Hydrochloride
An amino acid amide used as a substrate for studying the action of aminopeptidase enzyme.Note: The isomer D,L-Tryptophanamide, Hydrochloride is also available as Catalogue Number T89550. Group: Biochemicals. Grades: Highly Purified. CAS No. 5022-65-1. Pack Sizes: 1g. US Biological Life Sciences.
Worldwide
L-Tryptophan amide hydrochloride 98+% (HPLC)
L-Tryptophan amide hydrochloride 98+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g, 100g. US Biological Life Sciences.
Worldwide
L-tryptophan ammonia lyase
The enzyme, characterized from the bacterium Rubrivivax benzoatilyticus JA2, requires no cofactors. It acts on L-phenylalanine and L-glutamate with about 60% of the activity with L-tryptophan, and on L-tyrosine, glycine, and L-alanine with about 30% of the activity. Group: Enzymes. Synonyms: WAL. Enzyme Commission Number: EC 4.3.1.31. 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-5291; L-tryptophan ammonia lyase; EC 4.3.1.31; WAL. Cat No: EXWM-5291.
L-Tryptophan benzyl ester hydrochloride
L-Tryptophan benzyl ester hydrochloride. Group: Biochemicals. Alternative Names: L-Trp-OBzl·HCl. Grades: Highly Purified. CAS No. 35858-81-2. Pack Sizes: 5g, 10g, 25g, 50g, 100g. US Biological Life Sciences.
L-Tryptophanol 98+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g. US Biological Life Sciences.
Worldwide
L-tryptophan-pyruvate aminotransferase
This plant enzyme, along with EC 1.14.13.168, indole-3-pyruvate monooxygenase, is responsible for the biosynthesis of the plant hormone indole-3-acetate from L-tryptophan. Group: Enzymes. Synonyms: TAA1 (gene name); vt2 (gene name). Enzyme Commission Number: EC 2.6.1.99. 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-2940; L-tryptophan-pyruvate aminotransferase; EC 2.6.1.99; TAA1 (gene name); vt2 (gene name). Cat No: EXWM-2940.