Chemical Name:     L-2-Amino-5-guanidinopentanoic acid~H-Arg-OH

Molecular Formula:  C6H14N4O2                               

Molecular Weight:   174.20

Cas NO:            [74-79-3]

Characteristics:      White cystalline powder.

Quality Standards:  AJI92

 

                                              

Item	Specifications
Appearance	White crystalline power
Identification (IR)	Meets the requirements
Assay, %	99.0~101.0
pH value	10.5～12.0
Loss on drying , %	≤0.50
Heavy metals（as Pb）, ppm	≤10
Residue on ignition, %	≤0.10
Chloride （as Cl）,%	≤0.020
Sulfate(as SO4),%	≤0.020
Arsenic(as As), ppm	≤1
Ammonium (as NH4),%	≤0.020
Transmittance , %	≥98.0
Iron (Fe) , ppm	≤10
Specific Rotation	+26.9o~ +27.9o
Other Amino Acids	Chromatographically not detectable