Product Brief Introduction
Product name: Brinzolamide
CAS：138890-62-7
MF: C12H21N3O5S3
MW: 383.507
Product Specification
|
Item |
Specification |
|
Appearance |
White or off-white crystalline powder |
|
Identification |
IR: The infrared absorption spectrum of the sample complies with the reference standard. |
|
The retention time of the major peak of the sample solution corresponds to that of the system suitability solution, as obtained in Limit of Brinzolamide Related Compound A. |
|
|
Loss on Drying |
≤ 0.5% |
|
Residue on Ignition |
≤ 0.1% |
|
Related Substances |
Impurity A ≤ 0.5% |
|
Impurity B ≤ 0.3% |
|
|
Maximum unspecified impurity ≤ 0.3% |
|
|
Total impurities ≤ 1.0% |
|
|
Heavy Metals |
≤ 20ppm |
|
Residual Solvents |
Ethanol ≤ 5000ppm |
|
Isopropanol≤ 5000ppm |
|
|
Acetonitrile≤ 410ppm |
|
|
Tert-butyl methyl ether≤ 5000ppm |
|
|
Ethyl acetate≤ 5000ppm |
|
|
Tetrahydrofuran≤720ppm |
|
|
Assay (on dried basis) |
98.0%-102.0% |
