N,N'-((3aR,4R,7R,7aS)-5-bromo-2,2-dimethyl-3a,4,7,7a-tetrahydrobenzo[d][1,3]dioxole-4,7-diyl)dibenzamide CAS 1998128-30-5
| CAS No. | 1998128-30-5 |
| Molecular Formula | C23H23BrN2O4 |
| Molecular Weight | 471.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, N,N'-((3aR,4R,7R,7aS)-5-bromo-2,2-dimethyl-3a,4,7,7a-tetrahydrobenzo[d][1,3]dioxole-4,7-diyl)dibenzamide (C23H23BrN2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution. 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 471.34 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).
N,N'-((3aR,4R,7R,7aS)-5-bromo-2,2-dimethyl-3a,4,7,7a-tetrahydrobenzo[d][1,3]dioxole-4,7-diyl)dibenzamide (CAS 1998128-30-5), molecular formula C23H23BrN2O4 and molecular weight 471.34 g/mol, is a CATO reference standard with documented purity and traceability.
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 | C23H23BrN2O4 |
| Molecular Weight | 471.34 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- 2-((4-Allyl-5-(thiophen-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(2-bromo-4,6-difluorophenyl)acetamide (CAS 618879-88-2)
- 1-(4-{[2-oxo-5-(trifluoromethyl)-1,2-dihydropyridin-1-yl]methyl}phenyl)-3-[4-(trifluoromethoxy)phenyl]urea (CAS 339025-59-1)
- (S)-tert-butyl 3-((S)-2-(((benzyloxy)carbonyl)amino)propanamido)-5-bromo-4-oxopentanoate (CAS 868565-55-3)
- BX-912 (CAS 702674-56-4)
- 1-(Cyclopropanecarbonyl)pyrrolidin-2-one (CAS 51269-66-0)
- 1-(3-Aminophenyl)-N-(2-(dimethylamino)ethyl)-N-methylmethanesulfonamide (CAS 1409907-68-1)
- Ethyl 2-(4-nitrobenzamido)-7-oxo-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 329059-84-9)
- ((2,6-Dichlorophenyl)sulfonyl)valine (CAS 1008267-76-2)
- (E)-3-Isobutyl-2-mercapto-5-(thiophen-2-ylmethylene)-3,5-dihydro-4h-imidazol-4-one (CAS 663203-91-6)
- Ethyl 1-((2-(methoxycarbonyl)-4-methylthiophen-3-yl)carbamothioyl)piperidine-3-carboxylate (CAS 2197063-00-4)
- 2-Amino-1-(3,5-difluorophenyl)-4,5-dimethyl-1H-pyrrole-3-carbonitrile (CAS 1094279-43-2)
- n-(2-Bromo-4-methylphenyl)-2-cyclopentylacetamide (CAS 850634-43-4)
- 4-(Aminomethyl)-2-cyano-6-(trifluoromethoxy)benzene-1-sulfonyl chloride (CAS 1807018-76-3)
- Semaglutide impurity 100 (CAS CATO-C4X-2226100)
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