Methyl 2-cyclopropyl-5-(3,5-dimethylisoxazol-4-yl)-1H-benzo[d]imidazole-7-carboxylate CAS 1637771-11-9
| CAS No. | 1637771-11-9 |
| Molecular Formula | C17H17N3O3 |
| Molecular Weight | 311.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 2-cyclopropyl-5-(3,5-dimethylisoxazol-4-yl)-1H-benzo[d]imidazole-7-carboxylate (CAS 1637771-11-9), molecular formula C17H17N3O3 and molecular weight 311.34 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H17N3O3, Methyl 2-cyclopropyl-5-(3,5-dimethylisoxazol-4-yl)-1H-benzo[d]imidazole-7-carboxylate contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 311.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C17H17N3O3 |
| Molecular Weight | 311.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 4-Cyclopropyl-5-(furan-2-yl)-2-(3-methoxybenzyl)-2,4-dihydro-3H-1,2,4-triazol-3-one (CAS 1797847-21-2)
- methyl 6-cyclopropyl-1-(4-fluorophenyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1011396-81-8)
- 3-Cyclopropyl-1-(4-fluorophenyl)-6-methyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1011397-49-1)
- 3-Cyclopropyl-1-(2-fluorophenyl)-6-methyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1018164-82-3)
- 2-(3-Cyclopropyl-4-(4-fluorophenyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid (CAS 937606-50-3)
- 6-cyclopropyl-1-(4-fluorophenyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 937598-64-6)
- 1-(4-(3-Cyclopropyl-1,2,4-oxadiazol-5-yl)pyridin-2-yl)-5-methyl-1H-pyrazole-4-carboxylic acid (CAS 1338652-75-7)
- 1-[5-(3-Cyclopropyl-1,2,4-oxadiazol-5-yl)pyridin-2-yl]-5-methyl-1H-pyrazole-4-carboxylic acid (CAS 1351398-62-3)
Recommended Standards
- Ethyl 2-(benzyloxy)-7-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate (CAS 162286-96-6)
- 5-(3-Methoxy-4-((2-methylbenzyl)oxy)phenyl)-1,3,4-oxadiazol-2-amine (CAS 1706438-77-8)
- 7-Isobutyl-2-oxo-3-phenyl-1,2-dihydropyrazolo[1,5-a]pyrimidine-5-carboxylic acid (CAS 1573547-47-3)
- 5-(3-Methoxy-4-((4-methylbenzyl)oxy)phenyl)-1,3,4-oxadiazol-2-amine (CAS 1706439-76-0)
- 1-tert-Butyl 3-methyl 4-formyl-1H-pyrrolo[2,3-b]pyridine-1,3-dicarboxylate (CAS 1228666-48-5)
- 2-Methyl-4-(trifluoromethyl)indoline (CAS 1391214-10-0)
- 6-Fluoro-4,4-dimethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918646-01-2)
- CNQX Disodium Salt (CAS 479347-85-8)
- Ethyl 2-amino-2-(2-chlorophenyl)propanoate (CAS 500858-48-0)
- 4-Hydroxycyclohexanone (CAS 13482-22-9)
- Moxifloxacin Impurity 54 (CAS CATO-C4X-107454)
- Salmeterol EP Impurity C (CAS 94749-11-8)
- 2,3-Diphenylthiazolidin-4-one (CAS 29291-15-4)
- Tirzepatide Impurity 23 X TFA Salt (CAS CATO-C4X-324023)
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