7,8-Dimethyl-11-(4-nitrophenyl)-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one CAS 338748-17-7
| CAS No. | 338748-17-7 |
| Molecular Formula | C21H21N3O3 |
| Molecular Weight | 363.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 363.41 g/mol gives 7,8-Dimethyl-11-(4-nitrophenyl)-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7,8-Dimethyl-11-(4-nitrophenyl)-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one (CAS 338748-17-7), molecular formula C21H21N3O3 and molecular weight 363.41 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 7,8-Dimethyl-11-(4-nitrophenyl)-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one (C21H21N3O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 363.41 g/mol, it falls into the moderately-high-molecular-weight range. 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).
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 7,8-Dimethyl-11-(4-nitrophenyl)-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one 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 | C21H21N3O3 |
| Molecular Weight | 363.41 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related Dimethyl Standards
- 9,9-Dimethyl-6-(2-nitrophenyl)-5,6,8,9,10,11-hexahydro-7H-dibenzo[b,e][1,4]diazepin-7-one (CAS 82408-12-6)
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Recommended Standards
- 6-(Ethylsulfonyl)-4-(methylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carbohydrazide (CAS 866134-32-9)
- 8-(4-tert-Butylphenyl)-5,12,14-trioxa-2-azatetracyclo[7.7.0.0^{3,7}.0^{11,15}]hexadeca-1(16),3(7),9,11(15)-tetraen-6-one (CAS 866138-50-3)
- 5-[1-(3-Methoxybenzoyl)pyrrolidin-2-yl]-3-(4-methylphenyl)-1,2,4-oxadiazole (CAS 853366-89-9)
- 5-(((9H-Fluoren-9-yl)methoxy)carbonyl)-5-azaspiro[2.4]heptane-7-carboxylic acid (CAS 2138525-93-4)
- Ethyl 1-(4-fluorophenyl)-1h,4h,5h,6h-cyclopenta[c]pyrazole-3-carboxylate (CAS 123345-71-1)
- n-(1-Cyclopropylethyl)-N-methylacetamide (CAS 1341481-45-5)
- Uridine 5'-(trihydrogen diphosphate) sodium salt (CAS 1457-11-0)
- Sodium Cromoglicate Impurity 5 (CAS CATO-C4X-20115)
- 3-Acetyl-2-methylquinolin-4(1H)-one (CAS 86769-09-7)
- 2-Methoxy-4-(3-pyrrolidinyl)pyridine (CAS 1260667-82-0)
- Propyl (3-(1-((tert-butoxycarbonyl)amino)-3-methylbutyl)oxetan-3-yl)glycinate (CAS 1620924-11-9)
- 2-Methoxybenzimidamide hydrochloride (CAS 57075-83-9)
- 7-oxooxepane-4-carboxylic acid (CAS 485817-06-9)
- Semaglutide impurity 266 (CAS CATO-C4X-2226266)
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