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Product Name

L-Carnosine

CAS No.

305-84-0

Molecular Formula

C₉H₁₄N₄O₃

Molecular Weight

226.23

Structural Formula

Quality Standard

As USP

Packing

25kg fiber drum with double PE bag liner

Shelf Life

2years,Keep in cool and dry place,Protecte from light

Item

Standard

Appearance

White to almost white powder

Identification

Comply with reference

Loss on drying

≤1.0%

Heavy metals

≤10ppm

Arsenic

≤1ppm

Lead

≤3ppm

Cadmium

≤1ppm

Mercury

≤0.1ppm

Residue on ignition

≤0.10%

Specific rotation

+20.0°~ +22.0°

Melting point

250~265℃

PH(In 2% water)

7.5~8.5

L-Histidine

≤1.0%

Beta-Alanine

≤0.1%

Total plate count

≤ 1000cfu/g

Yeast & Molds

≤ 100cfu/g

E.Coli

Negative

Salmonella

Negative

Assay

99.0% ~ 101.0%