4-(1 H -Benzoimidazol-2-yl)-phenylamine CAS 1262769-59-4
| CAS No. | 1262769-59-4 |
| Molecular Formula | 2*C10H11N3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-(1 H -Benzoimidazol-2-yl)-phenylamine 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.
4-(1 H -Benzoimidazol-2-yl)-phenylamine (CAS 1262769-59-4), molecular formula C10H11N3H2O4S and molecular weight 271.29 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-(1 H -Benzoimidazol-2-yl)-phenylamine (C10H11N3H2O4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 271.29 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | 2*C10H11N3 H2O4S |
| Molecular Weight | 271.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related H Standards
- 1103580-98-8 2-(2-Ethyl-benzoimidazol-1-yl)-propionic acidhydrochloride 8716AC C12H15ClN2O2 (CAS 1103580-98-8)
- 1104620-99-6 2-(2-Methyl-benzoimidazol-1-yl)-propionic acidhydrochloride 8723AC C11H13ClN2O2 (CAS 1104620-99-6)
- 1164558-12-6 4-(2-Benzoimidazol-1-yl-acetylamino)-benzoic acid oxalate (CAS 1164558-12-6)
- 4-(2-Methyl-benzoimidazol-1-yl)-3-oxo-butyric acid methyl ester (CAS 1229627-39-7)
- 1-(3H-Benzoimidazol-5-yl)-2-bromoethanone (CAS 124663-08-7)
- 1-(1H-Benzoimidazol-2-yl)-ethanol (CAS 19018-24-7)
- 2-(1H-Benzoimidazol-5-yl)-ethylamine dihydrochloride (CAS 1956366-01-0)
- [(1H-Benzoimidazol-2-ylmethyl)-amino]-acetic acidhydrochloride (CAS 208118-16-5)
Recommended Standards
- 2,4,8-Trichlorobenzofuro[3,2-d]pyrimidine (CAS 160199-00-8)
- 7-Bromoheptan-2-one (CAS 50775-02-5)
- 3'-Methylbiphenyl-4-sulfonyl chloride (CAS 186551-47-3)
- N-(p-tolyl)tetrahydro-2H-pyran-4-amine (CAS 1157009-93-2)
- 3-Chloro-4-(3,4-dimethylphenoxy)aniline (CAS 84865-95-2)
- (S)-1-(3-bromo-2-chlorophenyl)-2-methoxyethan-1-amine (CAS 1388631-43-3)
- (Styrylsulfonyl)-l-valine (CAS 143688-68-0)
- 2-(3-Chlorophenyl)acetophenone (CAS 27798-43-2)
- 7-Bromo-1h-indazol-3-ol (CAS 887578-57-6)
- Semaglutide impurity 29 (CAS 1188328-22-4)
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