1H-Benzimidazole-5-carboxylic Acid Methyl Ester CAS 26663-77-4
| CAS No. | 26663-77-4 |
| Molecular Formula | C9H8N2O2 |
| Molecular Weight | 176.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1H-Benzimidazole-5-carboxylic Acid Methyl Ester (C9H8N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 176.17 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.
1H-Benzimidazole-5-carboxylic Acid Methyl Ester (CAS 26663-77-4) is a high-purity analytical reference standard with the molecular formula C9H8N2O2 and a molecular weight of 176.17 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1H-Benzimidazole-5-carboxylic Acid Methyl Ester 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 Formula | C9H8N2O2 |
| Molecular Weight | 176.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 2 |
Related H Standards
- Benzimidazole-1-acetic Acid (CAS 40332-16-9)
- Methyl Benzimidazole-2-carboxylate (CAS 5805-53-8)
- Methyl Benzimidazole-4-carboxylate (CAS 37619-25-3)
- 1H-Benzimidazole-2-carbonitrile, 7-fluoro-1-methyl- (CAS 1537064-11-1)
- 1H-Benzimidazole-4-carbonitrile, 7-fluoro-1-methyl- (CAS 1935414-07-5)
- 1H-Benzimidazole-2-carbonyl chloride (CAS 30183-14-3)
- 1H-Benzimidazole-2-carbonitrile, 6-formyl- (CAS 1805884-69-8)
- 1H-benzimidazole-5-carboxylic acid (CAS 15788-16-6)
Recommended Standards
- 1-Ethyl-1H-pyrrolo[2,3-b]pyridine-2,3-dione (CAS 281192-95-8)
- 1-Hydroxy-1H-indene-2-carboxylic acid (CAS 28873-82-7)
- 1-Benzofuran-2-carbohydrazide (CAS 42974-19-6)
- 1-Hydroxy-3-methylquinoxalin-2(1H)-one (CAS 70265-38-2)
- 2-Methyl-N-phenethylpropan-1-amine (CAS 24070-12-0)
- (S)-6-Chlorochroman-4-amine hydrochloride (CAS 1956436-48-8)
- 2-((4-(Chloromethyl)thiazol-2-yl)methyl)benzo[d]thiazole hydrochloride (CAS 1331303-47-9)
- 2-(4-((5-Methylthiophene)-2-sulfonamido)phenyl)acetamide (CAS 1070964-95-2)
- 2-Bromo-3-methylpentane (CAS 62168-41-6)
- 6-Ethyl-1,2,3,4-tetrahydroanthraquinone (CAS 15547-17-8)
- 4-(Perfluoroethoxy)phenol (CAS 658-46-8)
- N-Nitrosoethylmethylamine (CAS 10595-95-6)
- 4-Chloro-1-(isoxazol-4-ylmethyl)-1h-pyrazol-3-amine (CAS 1343742-61-9)
- Semaglutide impurity 27 (CAS CATO-C4X-222627)
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