Dietary Supplement Bulk L-Histidine CAS 71-00-1 98.0% Histidine

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Model NO.	DONGFANG	Trademark	DongFang
Origin	China

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L-Histidine / CAS 71-00-1

L-Histidine is thought to be a human essential amino acid, mainly children. After years of development, humans begin to synthesize it, and at this time become a non-essential amino acid. L-histidine is a semi-essential amino acid that is particularly important for infants and animals. Can be used as biochemical reagents and pharmaceuticals, but also for the treatment of heart disease, anemia, rheumatoid arthritis and other drugs. Histidine is present in bananas, grapes, meat, poultry, milk and dairy products. In addition, histidine is also present in green vegetables, but less.

ERTIFICATE OF ANALYSIS


Product Name	L-Histidine	CAS No.	71-00-1

Items	Specification	Result
Appearance	White crystals or crystalline powder	Conforms
Identification	Concordant with the reference spectrum	Conforms
Assay	98.5% ~ 101.5%	99.5%
pH	7.0 ~ 8.5	7.9
Specific rotation	+12.6° ~ +14.0°	13.3°
Chloride(Cl)	≤0.05%	0.04%
Sulphate(SO4)	≤0.03%	0.02%
Iron(Fe)	≤30ppm	28ppm
Heavy metals(Pb)	≤15ppm	13ppm
Loss on drying	≤0.20%	0.20%
Residue on ignition	≤0.40%	0.35%
Chromatographic purity	Conforms	Conforms