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

Purity 97%+In StockPharmaceutical Standards
CAS No.73688-69-4
Molecular FormulaC10H13N3
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

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 chemical structure

Description

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.

Physical & Chemical Properties

Molecular FormulaC10H13N3 2*HCl
Molecular Weight211.69 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1978
Halogen ContentCl-containing
Nitrogen Atoms3

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