2-(2-Chlorophenyl)-5-nitro-1H-benzo[d]imidazole CAS 1571-89-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1571-89-7 |
| Molecular Formula | C13H8ClN3O2 |
| Molecular Weight | 273.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(2-Chlorophenyl)-5-nitro-1H-benzo[d]imidazole (CAS 1571-89-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H8ClN3O2. Molecular weight: 273.67 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H8ClN3O2 |
| Molecular Weight | 273.67 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 6-Chloro-2-phenylimidazo[1,2-b]pyridazine-3-carboxylic acid (CAS 160911-34-2)
- tert-butyl N-(2-chloro-3-nitropyridin-4-yl)carbamate (CAS 1803598-41-5)
- 2-(2H-1,3-Benzodioxol-5-yl)-6-chloroimidazo[1,2-b]pyridazine (CAS 141409-08-7)
- 2-(Phenylthio)-N-(5-(pyridin-3-yl)-1,3,4-oxadiazol-2-yl)acetamide (CAS 923245-65-2)
- 2-((1-(2,4-Dimethylphenyl)ethyl)amino)propan-1-ol (CAS 1153890-36-8)
- (5R,6S)-5,6-Diphenylmorpholin-2-one (CAS 815582-48-0)
- tert-Butyl 4-hydroxy-3-(hydroxymethyl)piperidine-1-carboxylate (CAS 849767-19-7)
- 1,2-Ethanediamine, N1-(2-aminoethyl)-, polymer with 2-[(dodecyloxy)methyl]oxirane and 2-[(tetradecyloxy)methyl]oxirane (CAS 71608-72-5)
- Ethyl 2-(3-fluoro-5-methoxyphenyl)-2-oxoacetate (CAS 1256466-71-3)
- Semaglutide impurity 106 (CAS CATO-C4X-2226106)
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