3-Butyl-7-chloro-2-mercapto-3H-quinazolin-4-one CAS 735321-30-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 735321-30-9 |
| Molecular Formula | C12H13ClN2OS |
| Molecular Weight | 268.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Butyl-7-chloro-2-mercapto-3H-quinazolin-4-one (CAS 735321-30-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H13ClN2OS. Molecular weight: 268.76 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H13ClN2OS |
| Molecular Weight | 268.76 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- (R)-Methyl 1-benzyl-5-oxopyrrolidine-2-carboxylate (CAS 143317-59-3)
- Citalopram Impurity 26 (CAS 64169-45-5)
- 2-Cyano-n-[(2,4-difluorophenyl)methyl]acetamide (CAS 219793-95-0)
- 2-(6-Oxo-4-(pyridin-2-yl)pyrimidin-1(6H)-yl)acetic acid (CAS 1708437-01-7)
- Myristoyl Pentapeptide -4 acetate (CAS 959610-30-1(free base))
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