3,4-Diphenyl-2H-pyrazolo[3,4-d]pyridazin-7(6H)-one CAS 181259-34-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 181259-34-7 |
| Molecular Formula | C17H12N4O |
| Molecular Weight | 288.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,4-Diphenyl-2H-pyrazolo[3,4-d]pyridazin-7(6H)-one (CAS 181259-34-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H12N4O. Molecular weight: 288.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H12N4O |
| Molecular Weight | 288.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2008 |
| Nitrogen Atoms | 4 |
Related Diphenyl Standards
- 1,6-Diphenyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 130925-67-6)
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- 2,5-Diphenyl-7H-pyrazolo[5,1-b][1,3]oxazin-7-one (CAS 919533-30-5)
- 2,7-Diphenyl-5H-pyrazolo[5,1-b][1,3]oxazin-5-one (CAS 919533-33-8)
- 2,8-Diphenyl-1H-purin-6(7H)-one (CAS 54013-62-6)
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Recommended Standards
- (2S,3S)-2-(1-(2-Methoxyphenyl)-1H-pyrazol-5-yl)tetrahydrofuran-3-carboxylic acid (CAS 1807937-59-2)
- 1,14-Diazido-3,6,9,12-tetraoxatetradecane (CAS 182760-73-2)
- N-(2-(6-(Furan-2-yl)-1H-imidazo[1,2-b]pyrazol-1-yl)ethyl)-2-methoxyacetamide (CAS 1798676-76-2)
- 1-(2-Fluoro-4,5-dimethoxyphenyl)ethanone (CAS 142265-69-8)
- (1-(M-tolyl)pyrrolidin-3-yl)methanamine dihydrochloride (CAS 1269376-41-1)
- 4-Butoxy-3,5-difluorobenzoic acid (CAS 1343701-12-1)
- 2-(4-Chlorophenyl)-5-methoxy-1,3,4-oxadiazole (CAS 82476-12-8)
- 5-amino-1,2,3,4-tetrahydroquinoline-1-carboxamide (CAS 1549342-83-7)
- 5-Methyl-2-phenyl-2H-1,2,3-triazole-4-carbohydrazide (CAS 175135-03-2)
- Insulin Degludec Impurity 16 (CAS CATO-C4X-215716)
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