L-Asparagine

Product Details

Asparagine symbol Asn or N is a key α-amino acid that is used in the biosynthesis of proteins. It contains a α-amino group and a α-carboxylic acid group as well as a side chain carboxamide.

Product Name	L-Asparagine
CAS No.	70-47-3
Appearance	White powder
MF	C4H8N2O3
Purity	99% min L-Asparagine
EINECS No	200-735-9
Storage	Keep in a cool, dry, dark location in a tightly sealed container or cylinder.
Shelf Life	24 Months

Items	Standards	Results
Physical Analysis
Appearance	Fine Powder	Conforms
Color	White Powder	Conforms
Odor	Characteristic	Conforms
Mesh Size	100% through 80% mesh size	Conforms
General Analysis
Identification	Identical to R.S. sample	Conforms
Amino acid	≥98%	98.41%
Extract Solvents	Water and Ethanol	Conforms
Loss on Drying (g/100g)	≤5.0	3.24%
Ash(g/100g)	≤5.0	2.05%
Chemical Analysis
Pesticides Residue (mg/kg)	0.05	Conforms
Residual Solvent	<0.05%	Conforms
Residual Radiation	Negative	Conforms
Lead(Pb) (mg/kg)	<3.0	Conforms
Arsenic(As) (mg/kg)	<2.0	Conforms
Cadmium(Cd) (mg/kg)	<1.0	Conforms
Mercury(Hg) (mg/kg)	<0.1	Conforms
Microbiological Analysis
Total Plate Count(cfu/g)	≤1,000	300
Molds and Yeast (cfu/g)	≤100	29
Coliforms (cfu/g)	Negative	Conforms
Salmonella(/25g)	Negative	Conforms