Sell D-Tryptophan

D-Tryptophan You May Also Be Interested In: propionic acid
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Product Name:D-Tryptophan
Synonyms:(R) -2-Amino-3-(3-indolyl) propionic acid
Molecular Formula:C11H12N2O2
CAS #:153-94-6

Test Items
Standard

Appearance
Almost white powder

Specific Rotation [(Alpha)]20/D
+30.0 to +33.0 Degree (C=1 in H2O)

Assay
98.0 to 101.0%

Chloride (Cl)
Not more than 0.10%

Heavy Metals (Pb)
Not more than 10 PPM

Loss on Drying
Not more than 0.20%

Residue on Ignition (Sulfate)
Not more than 0.20%