4-Methyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5(4H)-one CAS 135376-98-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 135376-98-6 |
| Molecular Formula | C6H8N4O |
| Molecular Weight | 152.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Methyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5(4H)-one (CAS 135376-98-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H8N4O. Molecular weight: 152.15 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H8N4O |
| Molecular Weight | 152.15 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 4 |
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- 7,8-Dihydro-2H-pyrano[4,3-c]pyridazin-3(5H)-one (CAS 1075260-60-4)
- 6,7-Dihydro-5H-pyrrolo[2,1-c][1,2,4]triazole-3-carboxamide (CAS 108800-61-9)
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- 6,7-Dihydro-4H-pyrazolo[5,1-c][1,4]oxazine-3-carbaldehyde (CAS 1286753-86-3)
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Recommended Standards
- 5-Ethylpyrazine-2-carboxylic Acid (CAS 13534-75-3)
- 5-Ethylpyrimidine-4-carboxylic acid (CAS 1355073-93-6)
- 6-Ethylpyrazine-2-carboxylic acid (CAS 13515-09-8)
- 2-(2-Fluoro-3-(methylsulfonyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1876473-43-6)
- (1,2-Dithiolan-3-yl)pentanoyl-hydrazide (CAS 145459-24-1)
- N5-Methyl-N5-((tetrahydro-2H-pyran-2-yl)methyl)pyridine-2,5-diamine (CAS 1251338-33-6)
- 7-Chloro-4-methyl-2-oxo-N-phenyl-1,2-dihydroquinoline-6-sulfonamide (CAS 1222859-29-1)
- 6-Bromo-8-methyl-2-propylquinolin-4-amine (CAS 1189105-94-9)
- N-(4-Fluorobenzo[d]thiazol-2-yl)-3,4-dimethylbenzamide (CAS 907973-78-8)
- Insulin Degludec Impurity 27 (CAS CATO-C4X-215727)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com