Hot sale manufacturer supply Vinpocetine CAS:42971-09-5/EP8

Product:

Vinpocetine

CAS:

42971-09-5

Molecular Structure

EINECS

256-028-0

Molecular formula:

C22H26N2O2

Molecular weight:

350.45

Physical Description:

White or slightly yellow,crystalline powder

Biological Source:

Voacanga africana

Melting Point:

MP 147-153℃

Assay:

Not less than 98.5% and not more than 101.5%

Storage conditions:

2-8°C refrigerated, sealed, avoid light

The period of validity:

2 years

TEST

STANDARD

RESULTS

Appearance

White or slightly yellow,crystalline powder

White crystalline

Solubility

Practically insoluble in water, soluble in methylene chloride,Slightly soluble in anhydrous ethanol

Conforms

Identification(IR)

The spectrum must exhibit the maxima only at the same wave numbers as thai of the Vinpocetine CRS similarly prepared

Conforms

Specific Optical Rotation

Between+127 º and +134 º

+132.7 º

Realated Substances

Ethyl vincaminate(A)

Not more than 0.6%

Confroms

Apovincamine(B)

Not more than 0.5%

Conforms

Methoxyvinpocetine(C)

Not more than 0.3%

Not detected

Dihydrovinpocetine(D)

Not more than 0.5%

Not detected

Other single impurity

Not more than 0.1%

Conforms

Total impurity

Not more than 1.0%

0.19%

Loss on drying

Not more than 0.5%

0.04%

Sulphated ash

Not more than 0.1%

0.07%

Assay

Not less than 98.5% and not more than 101.5%

100.2%