Trimethoprim-d3 CAS 1189923-38-3
Purity >95%In StockPharmaceutical Standards
| CAS No. | 1189923-38-3 |
| Molecular Formula | C14H15D3N4O3 |
| Molecular Weight | 293.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Trimethoprim-d3 (CAS 1189923-38-3) pharmaceutical standards reference standard. Molecular formula: C14H15D3N4O3. Molecular weight: 293.34 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C14H15D3N4O3 |
| Molecular Weight | 293.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 4 |
Related Trimethoprim Standards
- Trimethoprim-13C3 (CAS 1189970-95-3)
- Trimethoprim Impurity 1 (CAS 93885-69-9)
- Trimethoprim EP Impurity D (CAS 92440-76-1)
- Trimethoprim EP Impurity E (CAS 60729-91-1)
- Trimethoprim (CAS 738-70-5)
- Trimethoprim-d9 (CAS 1189460-62-5)
- Trimethoprim EP Impurity B (CAS 30806-86-1)
- Trimethoprim EP Impurity A (CAS 213745-86-9)
Recommended Standards
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- Semaglutide impurity 01 (CAS 1998701-31-7)
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