1-Mercapto-4-(2-methoxy-5-methylphenyl)-[1,2,4]triazolo[4,3-a]quinazolin-5(4h)-one CAS 757221-87-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 757221-87-7 |
| Molecular Formula | C17H14N4O2S |
| Molecular Weight | 338.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-Mercapto-4-(2-methoxy-5-methylphenyl)-[1,2,4]triazolo[4,3-a]quinazolin-5(4h)-one (CAS 757221-87-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C17H14N4O2S. Molecular weight: 338.38 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C17H14N4O2S |
| Molecular Weight | 338.38 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Mercapto Standards
- Ethyl 4-{[(2-mercapto-4-oxo-4,5-dihydro-1,3-thiazol-5-yl)acetyl]amino}benzoate (CAS 1142200-57-4)
- 2-Mercapto-4-(4-methoxyphenyl)-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydroquinoline-3-carbonitrile (CAS 200340-05-2)
- 1142207-06-4 2-(2-Mercapto-4-oxo-4,5-dihydro-1,3-thiazol-5-yl)-N-(2,3,5,6-tetrafluorophenyl)acetamide (CAS 1142207-06-4)
- 2-Mercapto-3,5-diphenylthieno[2,3-d]pyrimidin-4(3H)-one (CAS 142465-09-6)
- 4-{[(2-Mercapto-4-oxo-4,5-dihydro-1,3-thiazol-5-yl)acetyl]amino}-3-methoxybenzoic acid (CAS 1142207-33-7)
- 2-Mercapto-benzooxazole-5-sulfonic acid (4-chloro-phenyl)-amide (CAS 379729-37-0)
- (2S)-2-(3-Mercapto-2-(2-methylbenzyl)propanamido)-4-(methylthio)butanoic acid (CAS 145775-14-0)
- 1-Butyl-2-mercapto-1H-benzoimidazole-5-sulfonic acid butylamide (CAS 379253-58-4)
Recommended Standards
- 1-(2-Fluorophenyl)-3-(4-isobutylphenyl)-1H-pyrazole-5-carboxylic acid (CAS 618103-04-1)
- 2-((9-Benzyl-9H-benzo[4,5]imidazo[2,1-c][1,2,4]triazol-3-yl)thio)acetic acid (CAS 606120-73-4)
- (S)-FuP-tBu (CAS 912457-08-0)
- Ethyl 2-methyl-3-oxo-2,3-dihydropyridazine-4-carboxylate (CAS 1823900-71-5)
- (6-Chloroquinolin-4-yl)boronic acid (CAS 1312794-10-7)
- 2-Bromo-4-chloro-6-(trifluoromethyl)aniline (CAS 912617-74-4)
- 2-(2,6-Dichloro-4-pyridyl)-2-propanol (CAS 95037-35-7)
- 5-(1-Methylethyl)-oxazole (CAS 32999-01-2)
- 2-(3-Chlorophenyl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-3-carboxylic acid (CAS 2416673-66-8)
- Des-Ala35-Tirzepatide (CAS CATO-CPTD788939)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com