Crisaborole Impurity 66 CAS 2247957-30-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 2247957-30-6 |
| Molecular Formula | C14H10BNO4 |
| Molecular Weight | 267.04 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Crisaborole Impurity 66 (CAS 2247957-30-6) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C14H10BNO4. Molecular weight: 267.04 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C14H10BNO4 |
| Molecular Weight | 267.04 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 1 |
Related Crisaborole Standards
- Crisaborole Impurity 54 (CAS 2990481-66-6)
- Crisaborole Impurity 40 (CAS 13321-75-0)
- Crisaborole Impurity 39 (CAS 13321-76-1)
- Crisaborole lmpurity 70 (CAS CATO-C4X-202170)
- Crisaborole Impurity 140 (CAS CATO-C4X-2021140)
- Crisaborole Impurity 17 (CAS 1187188-59-5)
- Crisaborole Impurity 49 (CAS CATO-C4X-202149)
- Crisaborole Impurity 16 (CAS 906673-43-6)
Recommended Standards
- 8-Bromo-3H-pyrano[3,4,5-cd]indazole-3,5(1H)-dione (CAS 2767589-54-6)
- 5-Bromo-2-(1-(trifluoromethyl)cyclopropyl)pyrimidine (CAS 2168710-53-8)
- 6-Bromo-3-cyano-4-nitro-1H indazole (CAS 885518-60-5)
- Olaparib Impurity 130 (CAS CATO-C4X-1135130)
- Lifitegrast Impurity 85 (CAS CATO-C4X-240985)
- 1-Iodo-2-(prop-2-yn-1-yloxy)benzene (CAS 41876-99-7)
- 2-Bromo-N-(2,3-dihydro-1H-inden-5-yl)acetamide (CAS 1341117-72-3)
- 3-Chloro-2-fluoro-6-(trifluoromethyl)pyridine (CAS 1214331-25-5)
- (E)-5-((4-chlorobenzyl)thio)-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde O-(2-chlorobenzoyl) oxime (CAS 321553-49-5)
- Semaglutide impurity 214 (CAS CATO-C4X-2226214)
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