点击可展开或关闭子菜单Product Catlogue
Unnatural Amino Acids & Their Derivatives
D-, L-, DL-Amino Acids
Protein α-Amino Acids
Phenylalanine Derivatives
Unprotein Aliphatic Amino Acids
Unprotein Ring Amino Acids
β - Amino Acids
Other Amino Acids
Amino Alcohols
Amino Acid Esters
Amino Acid Methyl Esters
Amino Acid Ethyl Esters
Amino Acid Benzyl Esters
Amino Acid Tert-Butyl Esters
Other Amino Acids Esters
Amino Acid Amides
Protected Amino Acids
Cbz-Amino Acids
Boc-Amino Acids
Fmoc-Amino Acids
Acetyl-Amino Acids
Other Protected Amino Acids
N-Alkylated Amino Acids
Other Amino Acids Derivatives
Amino Acid Protected Reagents
Peptides
Nucleotides , nucleosides & Their Derivatives
Purine, Pyrimidines & Deriv.
Nucleosides ,Nucleotides & Derivatives
Deoxy- Nucleotides , Nucleosides & Derivatives
RNA,DNA Phosphoramidites
Oligodeoxynucleotides, Oligonucleotides
Other Nucleoside Intermediates
Saccharides
Monosaccharides
Disaccharides
Polysaccharides
Other Saccharides
Chiral Chemicals
Chiral Reagents
Chiral Intermediates
Pharmaceuticals
Active Pharmaceutical Ingredients
Medicine Materials




Home > Product Catalogue
 
0072   DL-Tryptophan

中文名字：DL-色氨酸

Product Name:DL-Tryptophan
Synonyms:(±)-2-Amino-3-(3-indolyl)propionic acid
Molecular Formula:C11H12N2O2
CAS #:54-12-6

 

Test Items

Standard

Appearance

Almost white powder

Specific Rotation [α]20/D

 

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%



[ Back ]
 

Add：Room 207,Zenghe Building ,Jiachuan Road 245, Xuhui District, Shanghai, China
TEL:0086-21-64541543，54280654，64109697，54299676，64543801   FAX:0086-21-54291107   E-MAIL:info@hanhongchem.com