Zhangjiagang Huachang Pharmaceutical Co.,Ltd.----D-Galactose|D-Mannose|L-Arabinose|Sodium Caprylate|L-Threonine|DL-Methionine|L-Methionine|L-Tryptophan|L-Lysine Hcl|L-Valine|L-Lysine Acetate|L-Lysine Base|D-Valin|DL-Threonine|DL-Phenylalanine|D-Alanine|D-Threonine|D-Methionine|L-Lysine Base 50 Liquor|L-Phenylalanine|L-Serine|DL-Isoleucine|DL-Tryptophan|DL-Leucine|DL-Methionine Sodium|DL-Serine|D-Leucine|D-Isoleucine|D-Tryptophan|D-Serine|N-Acetyl-DL-Methionine|D-Raffinose|Maltose|Polydextrose|N-Acetyl-L-Methionine|N-Acetyl-L-Valine|N-Acetyl-L-Tryptophan|N-Acetyl-DL-Leucine|N-Acetyl-DL-Isoleucine|N-Acetyl-DL-Tryptophan|CBZ-L-Valine|Boc-D-Alanine|Zinc Bacitracin|Quercetin|L-Rhamnose|D-Arabinose|Urea|Ammonium chloride|D-Phenylalanine

	Amino acids

	Fine chemicals

DL series amino acid --- --- DL-Methionine　　DL-Valine　　DL-Threonine　
　　DL-Phenylalanine　　DL-Isoleucine　　DL-Leucine　　DL-Tryptophan
　　DL-Lysine Monohydrochloride　　DL-Lysine

　DL-Tryptophan

Legal Serial No.：CAS 54-12-6

Molecular formula：C₁₁H₁₂N₂O₂

Molecular weight：204.23

Properties：White to yellow white crystal or crystalline powder, odorless or with slight odor, slightly sweet. L-type is bitter; Sweetness of D-type is similar to that of cane sugar. PH value of 0.2% aqueous solution: 5.5~7.0, melting point: 295℃（decomposed). It has weak resistance to acid and light. It is soluble in water(0.4%, 25℃), diluted acid and alkali, slightly soluble in ethanol.

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