L-Arginine-L-Pyroglutamate/56265-06-6

Product Name: L-Arg-L-Asp CAS#: 7675-83-4
Synonyms: L-Arginine-L-Aspartate Molecular Formula: C10H21N5O6
Molecular Weight: 307.31
Manufacture time:2013-02-17 Batch No.:20130217
Testing time:2013-03-06
brhrbrAppearance White or almost white granules or powder Conforms
Specific rotation[a]20/D
(C=8 in 6N HCl) +25°to +27° 25.9°
Chloride (Cl) Not more than200ppm <0.02%
Sulfate (SO4) Not more than 300ppm <0.03%
State of Solution Clear and colorless Conforms
Heavy metal(Pb) Not more than 20ppm <20ppm
Ammonium(NH4) Not more than 100ppm <100ppm
TLC Two points Conforms
Loss on drying Not more than 0.5% 0.38%
Residue on ignition(sulfated) Not more than 0.10% 0.07%
Assay 99.0% to 101.0% 99.2%
PH 6.0 to 7.0 6.8
Total Plate Count <1000/g Conforms
Yeast & Molds <100/g Conforms
Salmonella Absent/10g Conforms
E.Coli Absent/10g Conforms
S.aureus Absent/10g Conforms