![5-{4-[2-(5-Ethyl-2-pyridyl)ethoxy]benzyl}-2-imino-4-thiazolidinone](http://img.ecvery.com/photo/product90/1202104/product-5-4-2-5-ethyl-2-pyridyl-ethoxy-benzyl-2-imino-4-thiazolidinone.jpg)
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ITEM
| SPECIFICATION |
Description
|
Pale yellow crystalline powder |
Identification
|
IR, UV, HPLC |
Residue on ignition
|
0.25%max
|
Heavy Metals
|
20ppm max
|
Loss on drying
|
1.0%max
|
Water
|
0.5%max
|
Chromatograph impurity |
5.0%max
|
Single impurity
|
3.0%max
|
AssayHPLC
|
94.0%~101.0% |
Pregna-4,9(11)-diene-7,21-dicarboxylic acid,17-hydroxy-3-oxo,g-lactone,methyl ester