| CAS No. | 73688-69-4 |
| Molecular Formula | C10H13N3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
73688-69-4 1H-Benzimidazol-5-amine, 1-ethyl-2-methyl-, dihydrochloride (9CI) Benzimidazole, 5-amino-1-ethyl-2-methyl-, dihydrochloride 1-Ethyl-2-methyl-1H-benzimidazol-5-amine dihydrochloride 5-Amino-1-ethyl-2-methylbenzimidazole dihydrochloride EINECS 277-568-3 NSC 93773 (CAS 73688-69-4), molecular formula C10H13N3HCl and molecular weight 211.69 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution, 73688-69-4 1H-Benzimidazol-5-amine, 1-ethyl-2-methyl-, dihydrochloride (9CI) Benzimidazole, 5-amino-1-ethyl-2-methyl-, dihydrochloride 1-Ethyl-2-methyl-1H-benzimidazol-5-amine dihydrochloride 5-Amino-1-ethyl-2-methylbenzimidazole dihydrochloride EINECS 277-568-3 NSC 93773 is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 211.69 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 73688-69-4 1H-Benzimidazol-5-amine, 1-ethyl-2-methyl-, dihydrochloride (9CI) Benzimidazole, 5-amino-1-ethyl-2-methyl-, dihydrochloride 1-Ethyl-2-methyl-1H-benzimidazol-5-amine dihydrochloride 5-Amino-1-ethyl-2-methylbenzimidazole dihydrochloride EINECS 277-568-3 NSC 93773 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C10H13N3 2*HCl |
| Molecular Weight | 211.69 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |