2-(3-Chlorophenyl)-1-((4-methylbenzyl)oxy)-6-nitro-1H-benzo[d]imidazole CAS 303149-38-4
| CAS No. | 303149-38-4 |
| Molecular Formula | C21H16ClN3O3 |
| Molecular Weight | 393.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-(3-Chlorophenyl)-1-((4-methylbenzyl)oxy)-6-nitro-1H-benzo[d]imidazole (CAS 303149-38-4), molecular formula C21H16ClN3O3 and molecular weight 393.82 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 2-(3-Chlorophenyl)-1-((4-methylbenzyl)oxy)-6-nitro-1H-benzo[d]imidazole is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 393.82 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C21H16ClN3O3 |
| Molecular Weight | 393.82 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chlorophenyl Standards
- 2-(4-Chlorophenyl)-1-((4-methylbenzyl)oxy)-6-nitro-1H-benzo[d]imidazole (CAS 282523-17-5)
- Methyl 4-(2-(2-((4-chlorophenyl)carbamothioyl)hydrazinyl)-2-oxoethoxy)benzoate (CAS 1024147-43-0)
- 5-[(4-Chlorophenyl)sulfanyl]-N-(2,4-difluorophenyl)-1,3-dimethyl-1H-pyrazole-4-carboxamide (CAS 158712-50-6)
- 5-[(3-Chlorophenyl)sulfanyl]-N-(2,4-difluorophenyl)-1,3-dimethyl-1H-pyrazole-4-carboxamide (CAS 158712-51-7)
- (E)-{[2-(4-chlorophenyl)-7-methylimidazo[1,2-a]pyridin-3-yl]methylidene}[(3-fluorophenyl)methoxy]amine (CAS 478257-39-5)
- (E)-{[2-(4-chlorophenyl)-7-methylimidazo[1,2-a]pyridin-3-yl]methylidene}[(4-fluorophenyl)methoxy]amine (CAS 478257-37-3)
- (E)-{[2-(4-chlorophenyl)-8-methylimidazo[1,2-a]pyridin-3-yl]methylidene}[(3-fluorophenyl)methoxy]amine (CAS 478257-45-3)
- (E)-{[2-(4-chlorophenyl)-8-methylimidazo[1,2-a]pyridin-3-yl]methylidene}[(4-fluorophenyl)methoxy]amine (CAS 478257-47-5)
Recommended Standards
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-6-chlorobenzoic acid (CAS 914348-17-7)
- N-Fmoc-5-amino-2-chlorobenzoic acid (CAS 186320-16-1)
- 2-(Fmoc-amino)-4-chlorobenzoic acid (CAS 332121-92-3)
- N-Fmoc-4-amino-2-chlorobenzoic acid (CAS 186320-13-8)
- Methyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-4-carboxylate (CAS 2120737-24-6)
- 4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}butanehydrazide (CAS 332361-09-8)
- 1-(5-Bromofuran-2-carbonyl)-N-methylindoline-2-carboxamide (CAS 1100790-26-8)
- C. I. Solvent Yellow 5 (Yellow AB) (CAS 85-84-7)
- 1-(2-Bromoethyl)-1,2,3-triazole (CAS 1083172-01-3)
- (4-Fluoro-3,5-dimethylphenyl)methanol (CAS 886501-76-4)
- N-Carbobenzoxy-L-tryptophanamide (CAS 20696-64-4)
- 2-(Difluoromethyl)-5-iodo-3-methylpyridine-4-sulfonyl chloride (CAS 1805266-89-0)
- 98014-14-3 cis-Bis(2,2 inverted exclamation marka-bipyridine)dichlororuthenium(II) hydrate (CAS 98014-14-3)
- Calcitonin C-Terminal Flanking Peptide (human) XTFA (CAS 85916-47-8（free base）)
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