2-(1H-benzo[d]imidazol-2-yl)-4,5-dichloropyridazin-3(2H)-one CAS 499227-78-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 499227-78-0 |
| Molecular Formula | C11H6Cl2N4O |
| Molecular Weight | 281.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(1H-benzo[d]imidazol-2-yl)-4,5-dichloropyridazin-3(2H)-one (CAS 499227-78-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H6Cl2N4O. Molecular weight: 281.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H6Cl2N4O |
| Molecular Weight | 281.10 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 2-((4-Bromonaphthalen-1-yl)oxy)acetic acid (CAS 82746-69-8)
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- (E)-N-(2-Butoxyphenyl)-2-(3-ethyl-2-(ethylimino)-4-oxothiazolidin-5-yl)acetamide (CAS 1164560-79-5)
- N2,N2-dimethyl-5-(3-methylbenzyl)thiazole-2,4-diamine (CAS 1387566-02-0)
- 2-(3-Oxo-3,5,7,8-tetrahydro-2H-pyrano[4,3-c]pyridazin-2-yl)propanoic acid (CAS 1443288-19-4)
- 1-Cyclopropyl-1-(5-fluoro-2-methoxyphenyl)ethan-1-ol (CAS 1443348-30-8)
- 6,7-Dihydro-5H-cyclopenta[b]pyridine-4-carboxylic acid (CAS 953428-98-3)
- Danazol Impurity 22 (CAS 162070-23-7)
- Human glucagon CRS (CAS 9007-92-5)
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