Carbamazepine Impurity 12 CAS 143667-53-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 143667-53-2 |
| Molecular Formula | C15H9BrClNO |
| Molecular Weight | 334.60 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Carbamazepine Impurity 12 (CAS 143667-53-2) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C15H9BrClNO. Molecular weight: 334.60 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C15H9BrClNO |
| Molecular Weight | 334.60 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| 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.) | 1998 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
Related Carbamazepine Standards
- Carbamazepine Impurity 11 (CAS 33948-20-8)
- Carbamazepine Impurity 17 (CAS CATO-C4X-118117)
- Carbamazepine Impurity 22 (CAS CATO-C4X-118122)
- Carbamazepine EP Impurity G (CAS 59690-97-0)
- Carbamazepine Impurity 19 (CAS CATO-C4X-118119)
- Carbamazepine Impurity 15 (CAS CATO-C4X-118115)
- Carbamazepine Impurity 23 (CAS CATO-C4X-118123)
- Carbamazepine Impurity 32 (CAS 40421-05-4)
Recommended Standards
- N-(4-bromophenyl)-7-chloroquinazolin-4-amine (CAS 477856-29-4)
- Bromfenac Impurity 10 (CAS 91714-51-1)
- 5-Bromo-2-(4-chlorophenyl)-1H-indole-3-carbaldehyde (CAS 587828-26-0)
- Bempedoic Acid Impurity 35 (CAS CATO-C4X-218935)
- Isoprenaline Impurity 27 (CAS CATO-C4X-277527)
- tert-Butyl 2-(2-hydroxyethylsulfonyl)-ethylcarbamate (CAS 142604-13-5)
- 3-(2-Methylnaphtho[1,2-d]thiazol-1-ium-1-yl)propane-1-sulfonate (CAS 3176-77-0)
- 4-(Dimethylamino)pyridinium chlorochromate (CAS 81121-61-1)
- Defensin HNP-1 (Human) (CAS 99287-08-8)
- Peptide Impurity 81 TFA (CAS CATO-CPTD788581)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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