Crisaborole Impurity 17 CAS 1187188-59-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1187188-59-5 |
| Molecular Formula | C14H12BNO4 |
| Molecular Weight | 269.06 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Crisaborole Impurity 17 (CAS 1187188-59-5), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C14H12BNO4. Molecular weight: 269.06 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C14H12BNO4 |
| Molecular Weight | 269.06 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 1 |
Related Crisaborole Standards
- Crisaborole Impurity 140 (CAS CATO-C4X-2021140)
- Crisaborole Impurity 49 (CAS CATO-C4X-202149)
- Crisaborole Impurity 16 (CAS 906673-43-6)
- Crisaborole Impurity 54 (CAS 2990481-66-6)
- Crisaborole Impurity 66 (CAS 2247957-30-6)
- Crisaborole Impurity 40 (CAS 13321-75-0)
- Crisaborole Impurity 39 (CAS 13321-76-1)
- Crisaborole lmpurity 70 (CAS CATO-C4X-202170)
Recommended Standards
- 261951-89-7 4 - Methoxy - 3 - (trifluoromethyl)benzyl bromide 4-(bromomethyl)-1-methoxy-2-(trifluoromethyl)benzene 4-(bromomethyl)-2-(trifluoromethyl)phenyl methyl ether 4-Bromomethyl-1-methoxy-2-trifluoromethyl-benzene benzene, 4-(bromomethyl)-1-methoxy-2-(trifluoromethyl)- (CAS 261951-89-7)
- 3-Amino-6-(4-bromo-3-fluorophenyl)-1,2,4-triazine (CAS 1029714-84-8)
- N-(5-Iodo-1,3,4-thiadiazol-2-yl)acetamide (CAS 39719-88-5)
- Desmopressin Impurity 29 (CAS CATO-C4X-221529)
- Picosulfate Impurity 6 (CAS CATO-C4X-12376)
- 1-(4-Bromo-1H-indol-3-yl)ethanone (CAS 195874-03-4)
- 4-(Naphthalen-2-yl)oxazol-2(3H)-one (CAS 34375-83-2)
- Glucoputranjivin (CAS 18432-16-1)
- 2-((4-Bromophenyl)amino)pyrimidin-4(3H)-one (CAS 1201791-26-5)
- Semaglutide impurity 81 (CAS CATO-C4X-222681)
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