sales@golden-wing.com.cn
L-Carnosine CAS No.: 305-84-0

Product Name: L-Carnosine

CAS No.: 305-84-0

EINECS: 206-169-9

Molecular Formula: C9H14N4O3

Molecular Weight: 226.23

Grade Standard:   Food Grade

Purity: 100.0%

Appearance: White powder

Packaging:  25kg/drum or as customer requirements 

Delivery Time:  prompt shipment after order confirmation

 

CERTIFICATE OF ANALYSIS

Product NAMEL-Carnosine

 

Shelf life2years

 

 

Tests

Limits

Test results

 

 

Appearance

Off-White or white powder

White powder

 

 

Identification

HPLC RT

Conform

 

 

Assay

N.L.T.99%

100.0%

 

 

Specific rotation

+20.0°~ +22.0°

+21.1°

 

 

Melting point

250.0~265.0°C

252.7~253.8°C

 

 

Lead

≤3ppm

conform

 

 

Arsenic

≤1ppm

conform

 

 

Cadmium

≤1ppm

conform

 

 

Mercury

≤0.1ppm

conform

 

 

Heavy metals(Pb)

≤10ppm

conform

 

 

Related substances

L-histidine

≤0.3%

0.02%

 

 

Single impurity

≤0.10%

0.06%

 

 

Total unknown impurity

≤1.0%

0.12%

 

 

Hydrazine

≤2ppm

conform

 

 

PH

7.5~8.5

8.3

 

 

Total plate count

    ≤1000cfu/G

40cfu/G

 

 

Total yeast&mold

   ≤100cfu/G

20cfu/G

 

 

Loss on drying

≤1.0%

0.21%

 

 

Residue on ignition

≤0.10%

0.06%

 

 

Conclusion: Passed test according to the Standard of Corporation standard.

 

 

Copyright © 2009-2018 Wuhan Golden Wing Industry & Trade Co., Ltd Technical Support:Wuhan zxhl Science Technologies