Place of Origin : Qingdao,China
Post Date : 24-05-2011
Expiry Date : 24-06-2012

Product Name : L-Tryptophan
Chemical Formular: C11H12N2O2
Molecular Weight: 204.23
CAS No.: 73-22-3
H.S Code : 29224910.90
Specifications:
Appearance: White To Yellow Crystalline Powder
Assay: 98.5% To 101.0%
Specific Rotation: -30.0° To -33.0°
Loss On Drying: ≤0.2%
Residue On Ignition: ≤0.1%
Heavy Metals (as Pb): ≤0.001%
Arsenic: ≤0.0001%
Standard: EP6, USP31, AJI97, FCC4
Storage And Stability
Store In The Original Packaging In Dry Area Protected From Direct Sunlight, At The Temperature Not Higher Than 25°C. Shelf Life Is 2 Years From Date Of Manufacture.
Packing: 25kg Net In Kraft Bag Or Drum.