4-Hydroxy Trimethoprim-13C3 CAS 1391053-67-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1391053-67-0 |
| Molecular Formula | C11[13C]3H18N4O4 |
| Molecular Weight | 309.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Hydroxy Trimethoprim-13C3 (CAS 1391053-67-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C11[13C]3H18N4O4. Molecular weight: 309.30 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C11[13C]3H18N4O4 |
| Molecular Weight | 309.30 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 4 |
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