tryptophan

If you want to inquire about this product, please contact us, or leave your email address or other contact information below, and we will contact you as soon as possible

Description

Appearance	White crystals or crystalline powder
Assay	98% Min
Specific Rotation	-29.0~ -32.3
Loss on Drying	0.5% Max
Heavy Metals	20mg/kg Max
Arsenic(As2O3)	2mg/kg Max
Residue on ignition	0.5% Max