L-Tryptophan - CAS 73-22-3 - Calbiochem Certificates of Analysis
Title
Lot Number
6540
Data Sheet
Note that this data sheet is not lot-specific and is representative of the current specifications for this product. Please consult the vial label and the certificate of analysis for information on specific lots. Also note that shipping conditions may differ from storage conditions.
Revision
13-September-2007 JSW
Synonyms
Trp
Description
An essential amino acid for human development. Precursor of serotonin.
Form
White crystalline solid
CAS number
73-22-3
RTECS
YN6130000
Chemical formula
C₁₁H₁₂N₂O₂
Structure formula
Purity
≥98.5% by titration
Contaminants
Heavy metals: ≤0.0015%
Solubility
H₂O (1 mg/ml)
Storage
+15°C to +30°C
Do Not Freeze
Ok to freeze
Special Instructions
Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.