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Amino Acids

L-Arginine

About

L-Arginine

A nonessential amino acid in human. It is a substrate of nitric oxide synthase, which is converted to L-citrulline and nitric oxide (NO). It is widely used as an ingredient in infusion and infant formula.

(This information is not for Japanese market)

Cas.No 74-79-3
Assay 99.0-101.0%
Description White crystals or crystalline powder, almost odorless, characteristic taste
Uses Infusion, Cell culture media, Biotech, Dietary Supplement
Pharmacopeia USP,FCC
Packaging 25kg&50kg

SPECIFICATION AND PROCEDURE

APPEARANCE White crystal or crystalline powder
IDENTIFICATION Conforms
STATE OF SOLUTION Not Less Than 98.0%
pH 10.5 - 12.0
SPECIFIC ROTATION (AT 20°C) +26.9 to +27.9°
SPECIFIC ROTATION (AT 25°C) +26.3 to +27.7°
AMMONIUM Not More Than 0.020%
CHLORIDE Not More Than 0.020%
SULFATE Not More Than 0.020%
IRON Not More Than 10 PPM
HEAVY METALS Not More Than 5 PPM
LEAD Not More Than 5 PPM
ARSENIC Not More Than 1 PPM
FOREIGN AMINO ACIDS** Not More Than 0.4%
LOSS ON DRYING Not More Than 0.50%
RESIDUE ON IGNITION Not More Than 0.10%
ASSAY (DRIED BASIS) 99.0 - 101.0%
TOTAL COUNT (CFU) Not More Than 1,000/g
YEASTS AND MOLDS (CFU) Not More Than 100/g
COLIFORM NEG
  • We hereby certify that the commodity described above meets the monograph requirements of the current USP, EP, JP, and FCC; and meets the requirements of residual solvents in those pharmacopoeias. *METHOD-USP including cross-validation. ** Foreign Amino Acids Testing - Meets requirements for Chromatographic Purity as required by USP, and Ninhydrin-positive substances as required by EP. Made in USA by fermentation using a non-pathogenic microbe, and without animal origin raw materials.

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