3,4-Dihydroxy trimethoprim, 98% CAS 71525-06-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 71525-06-9 |
| Molecular Formula | C12H14N4O3 |
| Molecular Weight | 262.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,4-Dihydroxy trimethoprim, 98% (CAS 71525-06-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H14N4O3. Molecular weight: 262.26 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H14N4O3 |
| Molecular Weight | 262.26 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 4 |
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Recommended Standards
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- 2-(4-(Difluoromethyl)-2-oxoquinolin-1(2H)-yl)acetonitrile (CAS 1708208-59-6)
- N-(3-(Benzo[d]thiazol-2-yl)-6-methyl-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-2-yl)-4-(N,N-diisobutylsulfamoyl)benzamide (CAS 486453-15-0)
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