5-Methyl-3-phenylpyrazolo[1,5-a]pyrimidine-7-thiol CAS 850238-91-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 850238-91-4 |
| Molecular Formula | C13H11N3S |
| Molecular Weight | 241.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Methyl-3-phenylpyrazolo[1,5-a]pyrimidine-7-thiol (CAS 850238-91-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H11N3S. Molecular weight: 241.31 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C13H11N3S |
| Molecular Weight | 241.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 5-Methyl-3-phenylpyrazolo[1,5-a]pyrimidine-2,7(1H,4H)-dione (CAS 1630763-42-6)
- 5-Phenylpyrazolo[1,5-a]pyrimidine-7-carboxylic acid (CAS 1011355-77-3)
- 2-Phenylpyrazolo[1,5-b]pyridazine-3-carboxylic acid (CAS 781674-55-3)
- 5-Phenylpyrazolo[1,5-a]pyridine-2-carboxylic acid (CAS 1121056-51-6)
- 2-Phenylpyrazolo[1,5-a]pyridine-3-carboxylic acid (CAS 80537-07-1)
- 1-(2-Phenylpyrazolo[1,5-a]pyridin-3-yl)ethan-1-one (CAS 122643-81-6)
- 4-Methyl-8-phenylpyrazolo[5,1-c][1,2,4]triazine-3-carbonitrile (CAS 1306739-47-8)
- 2-Methyl-5-phenylpyrazolo[1,5-a]pyrimidine-7-carboxylic acid (CAS 932242-74-5)
Recommended Standards
- 5-Methyl-2-pivalamidothiophene-3-carboxylic acid (CAS 634593-20-7)
- 6-(Methylthio)-2-phenylimidazo[1,2-b]pyridazine (CAS 61582-29-4)
- 5-{[(4-fluorophenyl)methyl]sulfanyl}-1,3,4-thiadiazol-2-amine (CAS 299936-22-4)
- Tert-butyl 3-(aminomethyl)benzoate hydrochloride (CAS 1221931-26-5)
- 3,3-Dimethyl-1-{3-[(4-nitrophenyl)methoxy]phenyl}azetidin-2-one (CAS 478032-07-4)
- Nickel gluconate (CAS 71957-07-8)
- 2-Butyl-4-chlorobenzofuran (CAS 863870-91-1)
- N-(sec-butyl)-4-ethylcyclohexan-1-amine (CAS 1132665-13-4)
- 1-Nitro-4-(prop-2-yn-1-yloxy)benzene (CAS 17061-85-7)
- Semaglutide impurity 268 (CAS CATO-C4X-2226268)
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