4-Hydroxy Trimethoprim CAS 112678-48-5
Purity >95%In StockPharmaceutical Standards
| CAS No. | 112678-48-5 |
| Molecular Formula | C14H18N4O4 |
| Molecular Weight | 306.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-Hydroxy Trimethoprim (CAS 112678-48-5) pharmaceutical standards reference standard. Molecular formula: C14H18N4O4. Molecular weight: 306.32 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C14H18N4O4 |
| Molecular Weight | 306.32 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 3-({1,3-diethyl-2-oxo-1h,2h,3h-imidazo[4,5-b]pyridin-5-yl}carbamoyl)propanoic acid (CAS 1110717-65-1)
- 3-{[2-(3-Methylphenyl)pyrimidin-4-yl]oxy}benzoic acid (CAS 1170107-96-6)
- N,N'-(2-Nitro-3-(pyrrolidin-1-yl)-1,4-phenylene)diacetamide (CAS 110209-28-4)
- 4-(3-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)phenyl)thiazol-2-amine (CAS 1823182-22-4)
- 1-[(1E)-{[(3-fluorophenyl)methoxy]amino}methylidene]-3-(5-iodopyridin-2-yl)thiourea (CAS 338962-73-5)
- (prop-2-en-1-yl)hydrazine dihydrochloride (CAS 70629-62-8)
- (3aS,3'aS,8aR,8'aR)-2,2'-Cyclobutylidenebis[3a,8a-dihydro-8H-indeno[1,2-d]oxazole] (CAS 182122-10-7)
- 3-Amino-N-(3-cyano-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)-6-(2,5-dimethoxyphenyl)-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxamide (CAS 939893-58-0)
- Imrecoxib Impurity 81 (E-Isomer) (CAS CATO-C4X-237981)
- Peptide Impurity 11 X TFA Salt (CAS CATO-CPTD788811)
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