Buy D-alanine Powder Amino Acid Pharmaceutical Intermediates Online CAS 338-69-2
D-alanine Specification
Product Name: D-Alanine CAS: 338-69-2 Level: Medical grade Content: 99% Appearance: white powder Packing: 25/ cardboard drum detachable Category: Pharmaceutical raw materials Industry: Medicine Field: Amino Acid Pharmaceutical Intermediates Deferred products: raw materials for chiral pharmaceutical intermediates Application: D-alanine is an important organic chiral source, mainly used in chiral drugs.
D-alanine Certificate of Analysis
Product name
D-alanine
CAS No.
338-69-2
Outer Packing
25kg/drum
Production date
2018.5.12
Shelf life
2020.5.11
Standard adopted
Enterprise standard
Items of analysis
Specification
Results
Appearance
White crystal or crystalline powder
White crystalline powder
Specific rotation
-14.3°~-15.3°
-14.5°
Transparency
≥95.0%
99.4%
Chloride
≤0.10%
＜0.10%
Heavy metal
≤10ppm
＜10ppm
Arsenic salt
≤2ppm
＜2ppm
Loss on drying
≤0.2%
0.14%
Residue on ignition
≤0.2%
0.05%
Assay
98.0%~101.0%
99.5%
Conclusion
Qualified
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