Ethyl 6-methyl-4-(5-nitrothiophen-2-yl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate CAS 14903-93-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 14903-93-6 |
| Molecular Formula | C12H13N3O5S |
| Molecular Weight | 311.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
Ethyl 6-methyl-4-(5-nitrothiophen-2-yl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 14903-93-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H13N3O5S. Molecular weight: 311.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H13N3O5S |
| Molecular Weight | 311.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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.) | 1961 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Recommended Standards
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- 5-Acetyl-8-((4-fluorobenzyl)oxy)quinolin-2(1H)-one (CAS 1312118-03-8)
- 5-((5-Methyl-1,3,4-thiadiazol-2-yl)thio)furan-2-carbaldehyde (CAS 330943-92-5)
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- 2-cyanohex-2-enoic acid (CAS 869-00-1)
- 3-Fluoro-4-mercaptobenzoic acid (CAS 244606-36-8)
- 1,4-Diamino-2,3-dihydroanthracene-9,10-dione (CAS 81-63-0)
- 1-Methylisoquinoline hydrochloride (CAS 53014-97-4)
- Semaglutide Impurity 143 (CAS CATO-C4X-2226143)
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