Cabozantinib Impurity 9 CAS 18721-64-7
| CAS No. | 18721-64-7 |
| Molecular Formula | C9H15BrO4 |
| Molecular Weight | 267.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Cabozantinib Impurity 9.
CATO supplies Cabozantinib Impurity 9 (CAS 18721-64-7), a certified reference material (molecular formula C9H15BrO4, MW 267.12 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H15BrO4, Cabozantinib Impurity 9 contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 267.12 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Cabozantinib Impurity 9 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 | C9H15BrO4 |
| Molecular Weight | 267.12 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Br-containing |
Related Cabozantinib Standards
- Cabozantinib Impurity 51 (CAS 76273-98-8)
- Cabozantinib Impurity 44 (CAS CATO-C4X-201844)
- Cabozantinib Impurity 52 (CAS CATO-C4X-201852)
- Cabozantinib Impurity 43 (CAS 1677-29-8)
- Cabozantinib Impurity 40 (CAS 1275738-77-6)
- Cabozantinib Impurity 22 (CAS CATO-C4X-201822)
- Cabozantinib Impurity N2 (CAS 113136-79-1)
- Cabozantinib Impurity 4 (CAS CATO-C4X-20184)
Recommended Standards
- 1-[(4-Bromophenyl)methyl]-4-methoxy-1H-pyrazole (CAS 1870132-19-6)
- 1-(5-Bromo-7-ethylbenzofuran-2-yl)ethanone (CAS 18775-39-8)
- 1-(2-Bromobenzyl)-4-methoxy-1H-pyrazole (CAS 1851556-09-6)
- (6-Bromo-2-methoxy-1-naphthyl)methanol (CAS 247174-13-6)
- Methyl 8-(3-octyloxiran-2-yl)octanoate (CAS 2500-59-6)
- methyl thieno[3,2-c]pyridine-6-carboxylate (CAS 253332-82-0)
- N-(2-Methoxydibenzo[b,d]furan-3-yl)-2-((5-(pyridin-4-yl)-4-(p-tolyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 477318-62-0)
- 3-Methyl-3,9-diazabicyclo[4.2.1]nonane dihydrochloride (CAS 1808706-83-3)
- (R,R)-BenzP (CAS 919778-41-9)
- 4-Cyclopropoxy-2-iodo-5-(methylthio)pyridine (CAS 1243382-31-1)
- 1-(4-(Benzyloxy)cyclohexyl)-2-(5H-imidazo[5,1-a]isoindol-5-yl)ethanol (CAS 2007908-35-0)
- 4-(3-Fluorophenyl)pyrrolidin-3-ol (CAS 1935505-90-0)
- Fexofenadine Impurity 45 (CAS CATO-C4X-179445)
- Semaglutide Impurity 184 (CAS CATO-C4X-2226184)
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