Ethyl 3-(3-methylbenzyl)-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-1-carboxylate CAS 339013-47-7
| CAS No. | 339013-47-7 |
| Molecular Formula | C18H18N2O3 |
| Molecular Weight | 310.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 310.35 g/mol gives Ethyl 3-(3-methylbenzyl)-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-1-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 3-(3-methylbenzyl)-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-1-carboxylate (CAS 339013-47-7), molecular formula C18H18N2O3 and molecular weight 310.35 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Ethyl 3-(3-methylbenzyl)-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-1-carboxylate (C18H18N2O3) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 Ethyl 3-(3-methylbenzyl)-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-1-carboxylate 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 | C18H18N2O3 |
| Molecular Weight | 310.35 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.) | 2025 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- Ethyl 3-(4-methylbenzyl)-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-1-carboxylate (CAS 339013-41-1)
- 1-(4-Methylbenzyl)-3-(4-fluorophenyl)-1H-pyrazole-5-carboxylic Acid (CAS 1020239-55-7)
- (2-((2-Methylbenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)(phenyl)methanone (CAS 851800-97-0)
- (2-((3-Methylbenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)(phenyl)methanone (CAS 851803-17-3)
- 2-(4-Ethyl-5-((3-methylbenzyl)thio)-4H-1,2,4-triazol-3-yl)pyridine (CAS 618415-59-1)
- 2-(4-Ethyl-5-((4-methylbenzyl)thio)-4H-1,2,4-triazol-3-yl)pyridine (CAS 578748-19-3)
- 3-(4-Ethyl-5-((3-methylbenzyl)thio)-4H-1,2,4-triazol-3-yl)pyridine (CAS 577696-07-2)
- 3-(4-Ethyl-5-((4-methylbenzyl)thio)-4H-1,2,4-triazol-3-yl)pyridine (CAS 618426-48-5)
Recommended Standards
- ethyl 2-{[(tert-butoxy)carbonyl]amino}-3-hydroxy-3-(pyridin-4-yl)propanoate (CAS 2059937-32-3)
- ethyl 2-{[(tert-butoxy)carbonyl]amino}-3-hydroxy-3-(pyridin-3-yl)propanoate (CAS 2059938-38-2)
- Ethyl 3-[(2-methylphenyl)methyl]-2-oxo-2,3-dihydro-1H-1,3-benzodiazole-1-carboxylate (CAS 339013-45-5)
- ethyl 2-{[(tert-butoxy)carbonyl]amino}-3-hydroxy-3-(pyridin-2-yl)propanoate (CAS 2044712-92-5)
- 1-(6-Methylpyrimidin-4-yl)-1H-pyrazole-4-carbaldehyde (CAS 1251120-50-9)
- (Butan-2-yl)(imino)methyl-lambda6-sulfanone (CAS 2059955-23-4)
- (S)-3-((tert-butoxycarbonyl)amino)-2-(3-fluorobenzyl)propanoic acid (CAS 1260607-53-1)
- Fosfomycin Impurity 41 (CAS 26017-03-8（free base）)
- 4-Methyl-1-(5-methylthiophen-2-yl)pentan-1-amine (CAS 1042791-47-8)
- 4-[(3-Bromophenyl)methoxy]oxane (CAS 1247385-45-0)
- 4h,5h-[1,2,4]triazolo[4,3-a]quinazolin-5-one (CAS 92221-89-1)
- 5-Methyl-1,2,3-thiadiazole-4-carbohydrazide (CAS 4137-63-7)
- 6,7-Dimethoxy-1,2-dimethyl-1,2,3,4-tetrahydroisoquinoline (CAS 490-53-9)
- D-Ala28-Tirzepatide (CAS CATO-CPTD788906)
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