3-Amino-2-methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3h)-one CAS 43088-52-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 43088-52-4 |
| Molecular Formula | C11H13N3OS |
| Molecular Weight | 235.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Amino-2-methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3h)-one (CAS 43088-52-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H13N3OS. Molecular weight: 235.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H13N3OS |
| Molecular Weight | 235.31 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1969 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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- 3-Amino-N-(2-methylbenzo[d]thiazol-6-yl)propanamide (CAS 1156197-42-0)
- 3-Amino-4,5,6-trimethylthieno[2,3-b]pyridine-2-carboxamide (CAS 119003-37-1)
- 4-(3-Amino-4-methoxyphenyl)-N-methylthiazol-2-amine (CAS 1245568-91-5)
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Recommended Standards
- 3-(4-Phenyl-5-sulfanyl-4h-1,2,4-triazol-3-yl)-1-propanol (CAS 83503-21-3)
- 3-(4-Methoxyphenyl)-4-methyl-5-(methylthio)-4H-1,2,4-triazole (CAS 57295-61-1)
- 3-(4-(Dimethylamino)phenyl)-2-thioxoimidazolidin-4-one (CAS 39123-63-2)
- Malathion α-Monoacid (CAS 1190-29-0)
- tert-Butyl 3-{[3-(1h-imidazol-1-yl)propyl]amino}propanoate (CAS 1221341-66-7)
- Benzyl ((1H-pyrazol-3-yl)methyl)carbamate (CAS 1291937-65-9)
- 4-Chloro-7,8-difluoro-3-iodoquinoline (CAS 1431364-42-9)
- 6-Chloro-8-fluoroquinazolin-4(3H)-one (CAS 187805-51-2)
- Faropenem Impurity 27 (CAS CATO-C4X-128927)
- Semaglutide impurity 97 (CAS CATO-C4X-222697)
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