Product Description

N-Acetyl-L-Thioproline : Product Name N-Acetyle L-Thiozolidine Carboxylic Acid (N-Acetyl-L- Thioproline) CAS Number *********1 Batch NO. *******5 Manufacture Date Mar *5, ***0 Analysis Date Mar *6, ***0 Quantity Sample Expiry Date Mar *4, ***2 Items Limits Results Specific rotation ***5~***1° ***0° State of solution (Transmittance) ≥*8.0% *8.5% Iron(Fe) ≤*0ppm ＜*0ppm Heavy metals(Pb) ≤*0ppm ＜*0ppm Arsenic(As2O3) ≤1ppm ＜1ppm Other Amino Acids Chromatographically not detectable Conforms Loss on drying ≤0.*0% 0.*4% Residue on ignition (Sulfated) ≤0.*0% 0.*5% Assay *8.5~**1.0% *9.5% Conclusion: The Product Conforms to Factory Standard