2-Amino-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(1H)-one CAS 81766-02-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 81766-02-1 |
| Molecular Formula | C10H11N3OS |
| Molecular Weight | 221.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Amino-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(1H)-one (CAS 81766-02-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H11N3OS. Molecular weight: 221.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H11N3OS |
| Molecular Weight | 221.28 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.) | 1980 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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