Product name
R-Tetrahydropapaverine HCl
CAS NO.
54417-53-7
Appearance
White to off-white crystalline Powder
Identification
A: Under the item of assay, in the test solution, the retention time of the main peak should accord with that of the reference standard
B: IR
(S)-isomer(HPLC)
1.0% max
Loss on drying
2.0%max
Residue on ignition
<0.1%
Heavy metals
<20ppm
Assay (HPLC)
99.0% min