MOLECULAR FORMULA: C 14 H 18 N 2 O 5

MOLECULAR WEIGHT: 294.31

CAS NO.: 22839-47-0

E. CODE: E951

BATCH NO.: 201406055

PACKING: 25KG/DRUM

DATE OF MFG: 2014.06.22

DATE OF EXPIRY: 2016.06.24

Test Item

Specifications

Test Result

Appearance

White granular or powder

White Powder

Assay (on dry base)

98.0-102.0 %

99.83%

Taste

Pure

Pure

Specific Rotation

+14.5~+16.5°

+15.25°

Transmittance

95.0%

98.50%

PH

4.50-6.0

5.2

5-Benzyl-3,6-dioxo-2-piperazineacetic acid

=1.5%

<1.5%

L-a-Aspartyl-L-Phenylalanine

=0.25%

<0.25%

L-Phenylalanine

=0.5%

<0.5%

Heavy Metals(as Pb)

=10ppm

<10ppm

Lead

=1ppm

<1ppm

Arsenic(As)

=3ppm

<3ppm

Other related substances

=2.0 %

<2.0%

Loss on drying

=4.5 %

3.58%

Residue on ignition

=0.2 %

0.13%

Conclusion

THE PRODUCT COMPLY FCCIV, USP