4-Methoxy-3-methylisoxazolo[5,4-d]pyrimidine CAS 175348-25-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 175348-25-1 |
| Molecular Formula | C7H7N3O2 |
| Molecular Weight | 165.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Methoxy-3-methylisoxazolo[5,4-d]pyrimidine (CAS 175348-25-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H7N3O2. Molecular weight: 165.15 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H7N3O2 |
| Molecular Weight | 165.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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.) | 2007 |
| Nitrogen Atoms | 3 |
Related Methoxy Standards
- 6-Methoxy-5H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 100605-51-4)
- 7-Methoxy-3-methylisoxazolo[4,5-d]pyridazine (CAS 106584-77-4)
- 3-Methoxy-5H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 111375-22-5)
- 8-Methoxy-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (CAS 1279089-06-3)
- 6-Methoxy-[1,2,4]triazolo[1,5-b]pyridazin-2-amine (CAS 1319067-82-7)
- 8-Methoxy-1H-purin-2-amine (CAS 138949-62-9)
- 7-Methoxy-7H-purin-6-amine (CAS 155854-88-9)
- 7-Methoxy-1,3-dihydro-imidazo[4,5-c]pyridin-2-one (CAS 1936095-12-3)
Recommended Standards
- 3-Ethylisoxazolo[5,4-d]pyrimidin-4(5H)-one (CAS 175348-11-5)
- 4-(3-Methylisoxazol-5-yl)furan-2(5H)-one (CAS 175687-55-5)
- 2,3-Dihydro-5-nitrobenzofuran (CAS 17403-47-3)
- Ethyl 1-benzyl-1H-pyrazole-4-carboxylate (CAS 150559-94-7)
- Propane-2-sulfinyl chloride (CAS 34256-07-0)
- Hexan-1-amine hydroiodide (CAS 54285-91-5)
- 71821-98-2 2,2-Dimethyl-4-(4-methylphenyl)-4-oxobutanoic acid DTXSID80645493 (CAS 71821-98-2)
- (3-Oxohexane-1,6-diyl)diboronic acid (CAS 2225153-13-7)
- 1,4-Diazidobutane (CAS 24345-72-0)
- Semaglutide impurity 201 (CAS CATO-C4X-2226201)
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