3-(4-Bromobenzyl)-4-(tert-butyl)-3,4-dihydro-1H-benzo[e][1,2,4]triazepine-2,5-dione CAS 866157-55-3
| CAS No. | 866157-55-3 |
| Molecular Formula | C19H20BrN3O2 |
| Molecular Weight | 402.29 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.
3-(4-Bromobenzyl)-4-(tert-butyl)-3,4-dihydro-1H-benzo[e][1,2,4]triazepine-2,5-dione (CAS 866157-55-3), molecular formula C19H20BrN3O2 and molecular weight 402.29 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-(4-Bromobenzyl)-4-(tert-butyl)-3,4-dihydro-1H-benzo[e][1,2,4]triazepine-2,5-dione (C19H20BrN3O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 402.29 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 3-(4-Bromobenzyl)-4-(tert-butyl)-3,4-dihydro-1H-benzo[e][1,2,4]triazepine-2,5-dione meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C19H20BrN3O2 |
| Molecular Weight | 402.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Bromobenzyl Standards
- Methyl 2-(4-((2-bromobenzyl)oxy)-3-(4-hydroxybut-1-yn-1-yl)phenyl)acetate (CAS 916243-38-4)
- ethyl 4-(4-(2-bromobenzyl)piperazin-1-yl)benzoate (CAS 926934-01-2)
- 2-(2-((4-Bromobenzyl)thio)thiazol-4-yl)-N-butylacetamide (CAS 953983-55-6)
- (2-((4-Bromobenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)(2-methoxyphenyl)methanone (CAS 851800-44-7)
- N-(4-Bromobenzyl)-N-tosyl-D-alaninol (CAS 1420780-21-7)
- (5R)-5-(4-Bromobenzyl)-1-(tert-butoxycarbonyl)piperidine-2-carboxylic acid (CAS 1217625-05-2)
- 3-(3-Bromobenzyl)-1-(tert-butoxycarbonyl)piperidine-3-carboxylic acid (CAS 959236-03-4)
- 3-(4-Bromobenzyl)-1-(tert-butoxycarbonyl)piperidine-3-carboxylic acid (CAS 959235-99-5)
Recommended Standards
- 3-((4-Chlorobenzyl)sulfonyl)-N-(4-chlorophenyl)-2-hydroxy-2-methylpropanamide (CAS 338424-18-3)
- 3-(Benzylsulfonyl)-N-(2,4-dichlorophenyl)-2-hydroxy-2-methylpropanamide (CAS 339275-81-9)
- 1-Amino-2-bromo-4-((3-(dimethylamino)propyl)amino)anthracene-9,10-dione (CAS 51818-35-0)
- 4'-(4-(Bromomethyl)phenyl)-2,2':6',2''-terpyridine (CAS 89972-78-1)
- (E)-Ethyl 2-cyano-3-((3-methoxy-4-nitrophenyl)imino)propanoate (CAS 501684-26-0)
- 2-(Cyclopentylthio)-1-(furan-2-ylmethyl)-5-(p-tolyl)-1H-imidazole (CAS 1207010-04-5)
- Cyclopropyl(3-fluoro-4-methoxyphenyl)methanamine (CAS 535926-30-8)
- 2,3,5,6-Tetrachloroaniline (CAS 3481-20-7)
- 2-Amino-N-((1-benzylpiperidin-2-yl)methyl)acetamide (CAS 1353971-56-8)
- (4-(Phenylamino)quinolin-2-yl)(thiomorpholino)methanone (CAS 1226454-09-6)
- (E)-2-(3-Fluorostyryl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 633327-36-3)
- Methyl 5-(3,4-Dimethoxyphenyl)isoxazole-3-carboxylate (CAS 517870-17-6)
- 2,6,6-Trimethyl-1-(5-methyl-1,2-oxazol-3-yl)-4,5,6,7-tetrahydro-1H-indol-4-one (CAS 1023544-23-1)
- Liraglutide Impurity 19 TFA Salt (CAS CATO-C4X-199219)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com