ethyl 3-amino-2,5-dimethyl-4-oxo-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate CAS 300573-77-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 300573-77-7 |
| Molecular Formula | C11H19N3O3S |
| Molecular Weight | 273.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
ethyl 3-amino-2,5-dimethyl-4-oxo-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate (CAS 300573-77-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H19N3O3S. Molecular weight: 273.35 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H19N3O3S |
| Molecular Weight | 273.35 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- methyl 4-hydroxy-6-oxo-7-(propan-2-yl)-6H,7H-thieno[2,3-b]pyridine-5-carboxylate (CAS 869493-47-0)
- 6-Phenyl-4-thiomorpholinopyridazin-3(2H)-one (CAS 89868-10-0)
- n-(1-Hydroxybutan-2-yl)-2-methoxy-5-methylbenzenesulfonamide (CAS 942771-71-3)
- 2-(2-Methoxyethyl)cyclopentan-1-one (CAS 6453-14-1)
- 4-(6-Methoxynaphthalen-2-yl)benzaldehyde (CAS 237069-43-1)
- 3-(3-Chlorophenyl)-1-(2-methoxyphenyl)propan-1-one (CAS 898762-20-4)
- tert-Butyl 7-[(dimethylamino)carbonyl]-4a-hydroxyoctahydro-2,7-naphthyridine-2(1H)-carboxylate (CAS 2096985-47-4)
- 4-Chloro-2-methoxybenzonitrile (CAS 100960-68-7)
- tert-Butyl 4-cyclopropyl-4-oxobutanoate (CAS 1957284-35-3)
- (Des-Thr7)-Glucagon trifluoroacetate salt (CAS 1802078-28-9)
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