Crisaborole Impurity 2 CAS 196081-71-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 196081-71-7 |
| Molecular Formula | C7H5BrO2 |
| Molecular Weight | 201.02 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Crisaborole Impurity 2 (CAS 196081-71-7) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C7H5BrO2. Molecular weight: 201.02 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C7H5BrO2 |
| Molecular Weight | 201.02 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |
| Halogen Content | Br-containing |
Related Crisaborole Standards
- Crisaborole Impurity 1 (CAS 20035-32-9)
- Crisaborole Impurity 45 (CAS 2973-80-0)
- Crisaborole Impurity 48 (CAS 22532-61-2)
- Crisaborole Impurity 18 (CAS 2737-20-4)
- Crisaborole Impurity 41 (CAS 2737-19-1)
- Crisaborole Impurity 42 (CAS 1260761-47-4)
- Crisaborole Impurity 6 (CAS 28547-28-6)
- Crisaborole Impurity 43 (CAS 58380-11-3)
Recommended Standards
- N-(2-Bromophenyl)nitrosamide (CAS 876497-67-5)
- 3-Bromobenzoic acid (CAS 585-76-2)
- 4-Bromobenzoic Acid (CAS 586-76-5)
- Plerixafor Impurity 43 (12HCl) (CAS CATO-C4X-113343)
- Aprocitentan Impurity 7 (CAS CATO-C4X-33557)
- (3,5-Dimethylisoxazol-4-yl)(4-(hydroxymethyl)piperidin-1-yl)methanone (CAS 1178071-93-6)
- Methyl 4,5,6,7-Tetrahydroindazole-6-carboxylate (CAS 1354953-56-2)
- 2-[2-(4-Bromo-phenyl)-vinyl]-6-hydroxy-benzoic acid methyl ester (CAS 365542-24-1)
- phenethylhydrazine (CAS 51-71-8)
- Peptide Impurity 13 (CAS CATO-CPTD788813)
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