unnatural amino acids ,nucleosides,chiral chemicals and other pharmaceutical intermediates.

D-Cysteine(‘sistin) hydrochloride monohydrate、32443-99-5

D-Glutamic Acid、6893-26-1

γ-Aminobutyric acid, 56-12-2

L-2- Aminobutyric acid, 1492-24-6

D-2- Aminobutyric acid, 2623-91-8

D L-2- Aminobutyric acid

D-cis-Hydroxyproline, 2584-71-6

L-trans-Hydroxyproline, 51-35-4

D-Proline, 344-25-2

D-Phenylalanine, 673-06-3

D-Tryptophan, 153-94-6

D-Valine, 640-68-6

D-Norvaline, 2013-12-9

L-Norvaline, 6600-40-4

4-nitro-D- phenylalanine, 56613-61-7

4-Nitro-L-Phenylalanine Hydrate, 949-99-5

4-nitro-DL- phenylalanine, 2922-40-9

D-Leucine\328-38-1

DL-Norleucine\  616-06-8

D-Norleucine\   327-56-0

L-Norleucine  \327-57-1

L-tert-leucine

L-Acylase

N-methyl-L-alanine

N-methyl-DL-alanine

N-methyl-D-alanine

L-cyclopropylalanine

L-Glutamic Acid diethyl ester hydrochloride

D-Tryptophan Methyl Ester HCl

D-Glutamine, 5959-95-5

L-Glutamine, 56-85-9

6-Aminohexanoic acid ,60-32-2

2,6 – Dichloropurine  5451-40-1

L-Glutamicaciddicthylesterhydrochloride 1118-89-4

2-Chloroadenosine.146-77-0

Cytosine  71-30-7

isocytosine  108-53-2

S(+)-Mandelic acid\17199-29-0

R-(+)-Mandelic acid\611-71-2

D-DTTA(H2O), 71607-32-4

L-DTTA(H2O)

D-DBTA(H20) 80822-15-7

L-DBTA (H2O), 62708-56-9

D-DBTA, 17026-42-5

L-DBTA, 2743-38-6