2-(3-Allyl-2,4-dioxo-3,4-dihydrothieno[3,2-d]pyrimidin-1(2H)-yl)acetic acid CAS 1239736-20-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1239736-20-9 |
| Molecular Formula | C11H10N2O4S |
| Molecular Weight | 266.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(3-Allyl-2,4-dioxo-3,4-dihydrothieno[3,2-d]pyrimidin-1(2H)-yl)acetic acid (CAS 1239736-20-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H10N2O4S. Molecular weight: 266.27 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H10N2O4S |
| Molecular Weight | 266.27 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- (3-Chlorobenzyl)(3-chlorophenyl)sulfane (CAS 1443327-71-6)
- Methyl 2-((4-aminopiperidin-1-yl)methyl)benzoate dihydrochloride (CAS 1286272-76-1)
- Semaglutide impurity 78 (CAS CATO-C4X-222678)
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