Product name

Choline glycerophosphate(GPC)

Other name

choline alfoscerate; L-α-Glycerophosphorylcholine (GPC); Alpha GPC

CAS NO.

28319-77-9

M.F.

C₈H₂₀NO₆P

M.W

257.221261

EINECS

248-962-2

Structure

Chemical Properties

Melting point

-98ºC

Stability

Stable at normal temperatures and pressures.

Flash point

11 °C

Safety information

Package

Aluminum foil bag; 25kg/drum

Product Name

Alpha GPC 85%

CAS

28319-77-9

Items

Specifications

Results

Method

Appearance

Colorless, clear, viscous liquid

Conforms

Assay (dried basis)

98.0%--102.0%

101.02%

Potentiometric titration

Identification

TLC: Standard solution and test solution same spot, RF

Conforms

TLC

Specific Optical

-2.4°～-2.8°

-2.64°

Residual solvent(ethanol)

 ≤0.1%

Conforms

HS-GC

Water content

≤14.0%--16.0%

15.26%

KF

Heavy Metals（as PB）

≤10 ppm

＜10ppm

AAS

Sulfate (SO4)

≤0.02%

＜0.02%

Colorimetry

Chloride (Cl)

≤0.02%

＜0.02%

Colorimetry

Phosphate ion

The color of solution not stronger than the control solution (≤5ppm)

Conforms

Colorimetry

pH

4.5～7.0

5.80

Related Substance

Spot not bigger than standard solution spot

No spot

TLC

Result: up to the standard.

Product Name

L-α-Glycerophosphorylcholine (GPC) , 99%

Molecular Formula

C8H20NO6P

CAS#

28319-77-9

Items

Specifications

Results

Analysis Method

Appearance

White powder, neutral odor, highly hygroscopic

Conforms

Visual

Identification

Conforms to the standard

Conforms

TLC

Specific Optical

-2.4°~ -2.8°

-2.61°

Heavy metals (as PB)

≤10ppm

Conforms

AAS

Sulfate (SO4)

≤0.02%

Conforms

Colorimetry

Chloride (Cl)

≤0.02%

Conforms

Colorimetry

Phosphate Ion (P)

≤5ppm

Conforms

Colorimetry

Residual solvent(ethanol)

 ≤1.0%

0.005%

HS-GC

PH

4.5～7.0

5.48

Related substance

Spot not bigger than standard solution spot

No spot

TLC

Water Content

≤2%

0.18%

KF

Assay (dried basis)

98.0%--102.0%

100.40%

Potentiometric titration

Assay (dried basis)

98.5%--100%

99.3%

HPLC