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L-Histidine

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About L-Histidine

Name:L-Histidine
Synonyms:His; L-2-Amino-3-(4-imidazolyl)propionic acid
Molecular Formula:C6H9N3O2
Molecular Weight:155.16
CAS Registry Number:71-00-1
EINECS:200-745-3
FEMA:3694

Specification:
Product name
L-Histidine

Test Items
Standard

Appearance
White powder

Assay
98.0% to 101.0%

Specific Rotation []20/D
+11.8 to +12.8 Degree (C=11 in 6N HCl)

Chloride (Cl)
Not more than 0.10%

Heavy Metals (Pb)
Not more than 10 PPM

Loss on Drying
Not more than 0.20%

Residue on Ignition (Sulfated)
Not more than 0.20%

Packing:25kg/bag
Storage:be stored in shady ,air proof and cool place
Shelf life:2years

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