5-(2-Chlorophenyl)-2-mercapto-3-(2-methoxyphenyl)thieno[2,3-d]pyrimidin-4(3h)-one CAS 743452-23-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 743452-23-5 |
| Molecular Formula | C19H13ClN2O2S2 |
| Molecular Weight | 400.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(2-Chlorophenyl)-2-mercapto-3-(2-methoxyphenyl)thieno[2,3-d]pyrimidin-4(3h)-one (CAS 743452-23-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H13ClN2O2S2. Molecular weight: 400.90 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H13ClN2O2S2 |
| Molecular Weight | 400.90 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 2-Chloro-3-[4-(3-methylpiperidine-1-carbonyl)piperidin-1-yl]-1,4-dihydronaphthalene-1,4-dione (CAS 439108-69-7)
- Tert-butyl (2-chlorobenzyl) (6-hydroxyhexane-1,5-diyl)(S)-dicarbamate (CAS 198476-84-5)
- Loratadine EP Impurity A (CAS 133284-74-9)
- 7-Amino-1,4-dimethylquinolin-2(1H)-one (CAS 58336-26-8)
- 4-Methoxy-2-nitroaniline-d3 (CAS 922730-95-8)
- 1-(2,2-Difluoroethyl)-4-(difluoromethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridin-6(7H)-one (CAS 1018142-26-1)
- 4-[(2-Chloro-4-isopropylphenoxy)methyl]piperidinehydrochloride (CAS 1220019-92-0)
- Azathioprine Impurity 15 (CAS 90947-51-6)
- 3,5-Dimethyl-4-((2-methylhydrazinyl)methyl)isoxazole (CAS 90049-32-4)
- Semaglutide impurity 196 (CAS CATO-C4X-2226196)
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