Neratinib Impurity 8 CAS 13991-36-1
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 13991-36-1 |
| Molecular Formula | C4H5BrO2 |
| Molecular Weight | 164.99 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Neratinib Impurity 8 (CAS 13991-36-1) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H5BrO2. Molecular weight: 164.99 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H5BrO2 |
| Molecular Weight | 164.99 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Br-containing |
Related Neratinib Standards
- Neratinib Impurity 36 (CAS CATO-C4X-113436)
- Neratinib Impurity 61 (CAS CATO-C4X-113461)
- Neratinib Impurity 23 (CAS 524955-09-7)
- Neratinib Impurity 55 (CAS CATO-C4X-113455)
- Neratinib Impurity 41 (CAS 1201080-20-7)
- Neratinib Impurity 58 (CAS CATO-C4X-113458)
- Neratinib Impurity 25 (CAS 848133-87-9)
- Neratinib Impurity 51 (CAS CATO-C4X-113451)
Recommended Standards
- 72707-66-5 2-(Bromomethyl)propenoic acid 2-Propenoic acid, 2-(bromomethyl)- EINECS 276-774-0 (CAS 72707-66-5)
- 2,6-Dichlorofluorobenzene (CAS 2268-05-5)
- .alpha.-Bromo-.gamma.-butyrolactone .alpha.-Bromobutyric acid, .gamma.-lactone .alpha.-Bromobutyrolactone 2(3H)-Furanone, 3-bromodihydro- 2-Bromo-.gamma.-butyrolactone 2-Bromo-4-butanolide 2-Bromobutyrolactone 3-Bromo-2-furanone 5061-21-2 NSC-56959 NSC56959 (CAS 5061-21-2)
- Atrasentan Impurity 108 (CAS 1059052-13-9)
- Semaglutide Impurity 140 (CAS CATO-C4X-2226140)
- 3-Chloro-5-(trifluoromethoxy)phenol (CAS 1017778-52-7)
- 1-(4-Chlorobenzyl)-3-nitro-1H-pyrazole-5-carboxylic acid (CAS 402614-96-4)
- 2-(6-(Dimethylamino)pyridin-3-yl)acetonitrile (CAS 1026876-69-6)
- 2-Chloro-n-propylpropanamide (CAS 94318-71-5)
- Insulin Degludec Impurity 27 (CAS CATO-C4X-215727)
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 13829788188 / jacky.chen@cato-chem.com