2-(2-Chlorophenyl)-1H-benzo[d]imidazol-1-ol CAS 59276-95-8
| CAS No. | 59276-95-8 |
| Molecular Formula | C13H9ClN2O |
| Molecular Weight | 244.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(2-Chlorophenyl)-1H-benzo[d]imidazol-1-ol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
2-(2-Chlorophenyl)-1H-benzo[d]imidazol-1-ol (CAS 59276-95-8), molecular formula C13H9ClN2O and molecular weight 244.68 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(2-Chlorophenyl)-1H-benzo[d]imidazol-1-ol (C13H9ClN2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 244.68 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C13H9ClN2O |
| Molecular Weight | 244.68 g/mol |
| 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.) | 1973 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
- 2-(4-Chlorophenyl)-1H-1,3-benzodiazol-1-ol (CAS 10066-08-7)
- 3-(4-Chlorophenyl)imidazo[1,2-a]pyridin-2-ol (CAS 102862-20-4)
- N-(3-Chlorophenyl)-1H-pyrazolo[4,3-b]pyridin-3-amine (CAS 1041614-20-3)
- 2-(2-Chlorophenyl)-1,3-benzoxazol-6-amine (CAS 1134316-96-3)
- 2-(4-Chlorophenyl)benzo[d]oxazol-4-amine (CAS 1159527-26-0)
- 2-(3-Chlorophenyl)imidazo[1,2-a]pyrimidin-7-amine (CAS 1335299-36-9)
- 2-(4-Chlorophenyl)imidazo[1,2-a]pyrimidin-3-amine (CAS 134044-62-5)
- 6-(4-Chlorophenyl)-4-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 134600-02-5)
Recommended Standards
- 2-(2-Chloro-6-methylphenoxy)nicotinonitrile (CAS 2197053-12-4)
- 2-(2-Chlorophenyl)benzo[d]oxazol-5-amine (CAS 293737-79-8)
- 2-(2-Chloro-3-methylphenyl)oxazolo[4,5-b]pyridine (CAS 60772-55-6)
- 2-(2-Chloropyridin-3-yl)-5-methylbenzo[d]oxazole (CAS 860609-36-5)
- 2-(4-Ethoxyphenoxy)ethanol (CAS 75631-61-7)
- N-Methyl-1-(methylsulfonyl)piperidin-3-amine hydrochloride (CAS 1956306-72-1)
- 4-((((9h-Fluoren-9-yl)methoxy)carbonyl)(isopropyl)amino)butanoic acid (CAS 1339752-68-9)
- Acetazolamide EP Impurity D Sodium Salt (CAS 72296-05-0)
- Fmoc-L-tyrosine Methyl Ester (CAS 82911-79-3)
- (Z)-((4-Methoxybuta-1,3-dien-2-yl)oxy)trimethylsilane (CAS 124306-13-4)
- Maribavir Impurity 25 (CAS 462114-04-1)
- 4-(2,5-Dichlorophenoxy)piperidine hydrochloride (CAS 1185303-04-1)
- 2-(4-Bromobenzoyl)-1H-indole-3-carboxylic acid (CAS 75822-51-4)
- Semaglutide Impurity 191 (CAS CATO-C4X-2226191)
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