2-{[3-(4-chlorophenyl)-4-oxo-3,4-dihydroquinazolin-2-yl]sulfanyl}acetohydrazide CAS 133764-45-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 133764-45-1 |
| Molecular Formula | C16H13ClN4O2S |
| Molecular Weight | 360.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-{[3-(4-chlorophenyl)-4-oxo-3,4-dihydroquinazolin-2-yl]sulfanyl}acetohydrazide (CAS 133764-45-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H13ClN4O2S. Molecular weight: 360.82 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H13ClN4O2S |
| Molecular Weight | 360.82 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related chlorophenyl Standards
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Recommended Standards
- 1-Amino-2-(4-chlorophenylazo)naphthalene-5-sulfonamide 118876-55-4 5-Amino-6-[(4-chlorophenyl)azo]-1-naphthalenesulfonamide 5-Amino-6-[2-(4-chlorophenyl)diazenyl]-1-naphthalenesulfonamide (CAS 118876-55-4)
- 2-(2-(Benzo[d]isoxazol-3-yl)acetyl)-N-(4-chlorophenyl)hydrazine-1-carbothioamide (CAS 860651-57-6)
- Etoricoxib Impurity 47 (CAS CATO-C4X-108047)
- 6-Amino-2-(trifluoromethyl)pyridin-3-ol (CAS 1227515-32-3)
- Methyl 4,6-Dimethylpyridine-2-carboxylate (CAS 69971-38-6)
- 1, 2- Bis(7- methyloctyl)cyclohexyl-1,2-dicarboxylate (CAS 318292-43-2)
- Naphthalene-2,6-dicarbonitrile (CAS 31656-49-2)
- Ethyl 2-(7-Chloro-3-indolyl)-2-oxoacetate (CAS 863289-30-9)
- 6-Bromo-2,3-dihydro-1H-indene-1-carboxylic acid (CAS 52651-16-8)
- D-[Phe6]-Semaglutide (CAS CATO-C4X-2226213)
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