Crisaborole Impurity 16 CAS 906673-43-6
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 906673-43-6 |
| Molecular Formula | C14H11BO5 |
| Molecular Weight | 270.05 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Crisaborole Impurity 16 (CAS 906673-43-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H11BO5. Molecular weight: 270.05 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H11BO5 |
| Molecular Weight | 270.05 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.) | 1987 |
Related Crisaborole Standards
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- Crisaborole Impurity 40 (CAS 13321-75-0)
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- Crisaborole lmpurity 70 (CAS CATO-C4X-202170)
Recommended Standards
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- Itraconazole Impurity 78 (CAS CATO-C4X-149778)
- 4-Amino-2-chloro-3-fluorobenzonitrile (CAS 757247-99-7)
- N-[2-(4-Chlorophenoxy)ethyl]-3-methylaniline (CAS 1040681-90-0)
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- (5E,8E,11E,14E,17E)-eicosa-5,8,11,14,17-pentaenoic acid (5E,8E,11E,14E,17E)-icosa-5,8,11,14,17-pentaenoic acid 1579-80-2 A809890 (CAS 1579-80-2)
- Acetyl Tetrapeptide- 15 (CAS 928007-64-1)
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