1-Ethyl-3,5-dimethyl-1H-pyrazolo[4,3-d]pyrimidin-7(4H)-one CAS 89239-59-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 89239-59-8 |
| Molecular Formula | C9H12N4O |
| Molecular Weight | 192.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-Ethyl-3,5-dimethyl-1H-pyrazolo[4,3-d]pyrimidin-7(4H)-one (CAS 89239-59-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H12N4O. Molecular weight: 192.22 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C9H12N4O |
| Molecular Weight | 192.22 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 4 |
Related Ethyl Standards
- 5-[2-(3,5-Dimethyl-pyrazol-1-yl)-ethyl]-2H-tetrazole (CAS 1005614-85-6)
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- 4-(4,5-Dimethyl-4h-1,2,4-triazol-3-yl)-1-methyl-1h-pyrazol-5-amine (CAS 1247232-31-0)
- 1-((4,5-Dimethyl-4h-1,2,4-triazol-3-yl)methyl)-1h-pyrazol-4-amine (CAS 1247619-25-5)
- 1-((1,3-Dimethyl-1h-pyrazol-5-yl)methyl)-1h-1,2,4-triazol-3-amine (CAS 1487879-81-1)
- 6-ethyl-2,5-dimethyl-4H,7H-[1,2,4]triazolo[1,5-a]pyrimidin-7-one (CAS 1520134-68-2)
- 1-{5,7-dimethyl-4H,7H-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl}ethan-1-one (CAS 1638642-95-1)
- 1-{4,5-dimethyl-4H,7H-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl}ethan-1-one (CAS 1787868-17-0)
Recommended Standards
- 1,4-Bis(1H-1,2,4-triazole-1-yl)butane (CAS 345952-55-8)
- 2-(Azidomethyl)-4-methoxy-3,5-dimethylpyridine (CAS 913624-57-4)
- 1-(4-Hydrazinylphenyl)imidazolidin-2-one (CAS 933690-87-0)
- 4-(5,5-Dimethyl-1,3,2-dioxaborinan-2-yl)-2-fluoropyridine (CAS 1003858-52-3)
- 1-(4-(Trifluoromethyl)benzyl)-1h-imidazole-2-carboxylic acid (CAS 1439902-58-5)
- (5S)-N-(Methoxycarbonyl)-L-valyl-5-methyl-L-proline (CAS 1335316-40-9)
- 3-Iodo-4-methylbenzophenone (CAS 107622-31-1)
- 3-Cyclopropoxy-5-isopropyl-2-methoxypyridine (CAS 1243348-77-7)
- 1-Oxo-2-(4-(trifluoromethyl)phenyl)-1,2-dihydroisoquinoline-4-carboxylic acid (CAS 133096-33-0)
- Liraglutide Impurity 16 TFA Salt (CAS CATO-C4X-199216)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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