Crisaborole ,CAS:906673-24-3
MF: C14H10BNO3
Purpose：Used for non infectious, mild to moderate atopic dermatitis, especially for patients who are intolerant to steroid drugs or require long-term treatment
Classification :
PRODUCT DETAILS
Specifications | |
Product Name | 4-[(1,3-Dihydro-1-hydroxy-2,1-benzoxaborol-5-yl)oxy]benzonitrile |
CAS No. | 906673-24-3 |
Test Standard | Enterprise standard |
| |
Items | Standard |
Appearance | White to off white powder |
| 1)The infrared absorption spectrum is concordant with the reference spectrum. 2)HPLC: the retention time of the principal peak is similar to the reference spectrum |
Solubility | Very soluble in DMF,soluble in isopropanol and propylene glycol,soluble in ethanol, acetonitrile and methylene chloride,slightly soluble in methanol,insoluble in water |
Residue on ignition | ≤0.1% |
Loss on drying | ≤0.5% |
Heavy Metals | ≤10ppm |
Residual solvent | Methanol ≤0.3% |
Isopropyl alcohol≤0.5% | |
Dichloromethane ≤0.06% | |
N-heptane≤0.5% | |
Tetrahydrofuran ≤0.072% | |
Ethyl acetate≤0.5% | |
Related Substance | Any other individual impurity ≤0.1% |
Total impurities≤1.0% | |
Purity | ≥99.0% |
Assay | 98.0%-102.0% |
Packaging | Inner packaging:two-layer LDPE bags, Outer packaging:cardboard drum, |
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