Carbamazepine Impurity 39 CAS 53003-61-5
| CAS No. | 53003-61-5 |
| Molecular Formula | C15H9Br2NO |
| Molecular Weight | 379.05 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
Carbamazepine Impurity 39 (CAS 53003-61-5) is a certified pharmaceutical impurity reference standard with the molecular formula C15H9Br2NO and a molecular weight of 379.05 g/mol.
Structurally, Carbamazepine Impurity 39 (C15H9Br2NO) contains a nitrogen-containing heterocyclic scaffold, 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 379.05 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures Carbamazepine Impurity 39 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 | C15H9Br2NO |
| Molecular Weight | 379.05 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | ≥95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Carbamazepine Standards
- Carbamazepine Impurity 29 (CAS 2512216-68-9)
- Carbamazepine Impurity 23 (CAS CATO-C4X-118123)
- Carbamazepine Impurity 6 (CAS 40421-03-2)
- Carbamazepine Impurity 17 (CAS CATO-C4X-118117)
- Carbamazepine Impurity 11 (CAS 33948-20-8)
- Carbamazepine Impurity 12 (CAS 143667-53-2)
- Carbamazepine Impurity 22 (CAS CATO-C4X-118122)
- Carbamazepine EP Impurity G (CAS 59690-97-0)
Recommended Standards
- 5-(3-Bromophenyl)-3-(4-bromophenyl)isoxazole (CAS 651021-66-8)
- Bromfenac Impurity 30 (CAS 1279501-08-4)
- 4-bromo-3-(bromomethyl)-7-(trifluoromethyl)isoquinoline (CAS 2195350-07-1)
- Bromfenac Impurity 49 (CAS 91714-66-8)
- Isavuconazole Impurity N16 (CAS 2491-38-5)
- Neratinib Impurity 59 (CAS CATO-C4X-113459)
- Reproterol impurity 2 (CAS CATO-C4X-30992)
- 6-Vinyltetrahydro-2H-pyran-2-one (CAS 41980-00-1)
- tert-Butyl 4-(3-bromo-4-cyanophenyl)-piperazine-1-carboxylate (CAS 1260656-11-8)
- N4-(5-Fluoro-6-methoxy-4-methylquinolin-8-yl)pentane-1,4-diamine maleate (CAS 76185-43-8)
- 2-(Benzyloxy)-3-chloropyridine (CAS 177743-07-6)
- Nectaryl (CAS 95962-14-4)
- Lotilaner Impurity 11 (CAS CATO-C4X-325611)
- Ac-(5-31)Semaglutide (CAS CATO-C4X-2226279)
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