CERTIFICATE OF ANALYSIS

PRODUCT NAME: L-Tryptophan Secondary Reference Standard TraCERT
Date of Mfg: Sample COA RETEST DATE: Sample COA
Catalogue Number GCT-276
Item/Batch Number Sample COA
Quantity Sample COA
CAS Number 73-22-3
Mol. Formula C₁₁H₁₂N₂O₂
Molecular Wt 204.23
IUPAC (2S)-2-amino-3-(1H-indol-3-yl)propanoic acid
Synonyms (-)-Tryptophan; (-)-1H-Indole-3-alanine; L-?-Amino-3-indolepropionic Acid;l-?-Aminoindole-3-propionic Acid; (S)-2-Amino-3-(3-indolyl)propionic acid
Long Term Storage Condition -20°C, Hygroscopic
Handling instruction Sample COA
Test Results
Appearance White to Off-White Solid
Water content by KF/TGA Sample COA
% Potency = [100 - (Water content by KF)] X HPLC Purity)] / 100 Sample COA
Identification by HNMR Sample COA
Identification By IR Sample COA
Mass (ESI) Sample COA
Solubility Aqueous Acid (Slightly), Methanol (Slightly), Water (Slightly)
Purity >98.5%(T)(HPLC)
Analysis Date (Release Date) Sample COA
Attachments Sample COA
Other Information Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption
This is Sample COA