3-Amino-2-thioxo-2,3-dihydrothieno[2,3-d]pyrimidin-4(1H)-one CAS 185202-51-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 185202-51-1 |
| Molecular Formula | C6H5N3OS2 |
| Molecular Weight | 199.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Amino-2-thioxo-2,3-dihydrothieno[2,3-d]pyrimidin-4(1H)-one (CAS 185202-51-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H5N3OS2. Molecular weight: 199.25 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H5N3OS2 |
| Molecular Weight | 199.25 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2009 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
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Recommended Standards
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- 4-Aminobicyclo[2.2.2]octan-1-ol (CAS 72948-82-4)
- 4-Phenylbenzylamine Biphenyl-4-yl-methylamine 4-(Aminomethyl)biphenyl (4-phenylphenyl)methanamine 4-phenylbenzyl amine 1,1'-Biphenyl-4-ylmethylamine 712-76-5 (CAS 712-76-5)
- Semaglutide Impurity 191 (CAS CATO-C4X-2226191)
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