- 14,15-Dihydro-14-hydroxyburnamenine-14-carboxylic acid methyl ester
- Vincamine base
- methyl 14-hydroxy-14,15-dihydroeburnamenine-14-carboxylate
- methyl (3xi,14beta,16alpha)-14-hydroxy-14,15-dihydroeburnamenine-14-carboxylate;
Molecular Formula: C21H26N2O3
Molecular Weight: 354.44
Description: White to slightly yellow crystalline powder odorless
IR Identification: Complies 1756,1074,747, etc. cm
UV Identification: Maxima at 220 and 268 nm
HPLC: HPLC chromatogram are in concordance with the concordance with vincamine RS.
Melting Range: 227 ~ 231ºC (dc)
Solubility: Soluble in chloroform, and methyl chloride, slightly soluble in alcohols, insoluble in water
Clarity and Color of solution: Must show a color of more intensity Than BY7
Loss on Drying: 0.5% Max. of its weight
Specific Optical Rotation: +39º ~ +43.5º
Assay (acidimetric assay): Between 98.5 ~ 101.5%
Heavy Metals: 10ppm Max.
Related Substances(HPLC): 1% Max.
Residue on Ignition: 0.1% Max.