Description/Assay

Product Name:
Origin:
Appearance:
Taste:
Molecular Formula:
Molecular Weight:
Melting Point:
Solubility:

Indirubin
Isatis indigotica Fort.
Red crystalline powder
Characteristic
C16H10 N2O2
262.26
356 -358°C
Slightly soluble in ethanol and acetic acid;

Mesh:
Indirubin:
Loss on Drying:
Residue on Ignition:
Heavy Metals:
Arsenic:
Total Plate Count:
Yeast & Mold:
E.coli:
Salmonella:

80 Mesh
30%, 60%, 80%, 90% (HPLC)
<4.0%
<10ppm
<1.0%
<2 ppm
<1000 cfu/g
<100 cfu/g
Absent
Absent

Storage:

keep in a dry and cool place