Clasien Pharm USA Inc.

We are the agent of Clasien in USA,we only sell our products to USA domestic customers,please don't contact us if you are out of usa,thanks.
Thiazoles
2-thiazolecarboxaldehyde
5-bromothiazole
2-chloro-5-(chlo
romethyl)thiozole
2-chloro-5-aminomethylthiazole
2-chlorothiazole
2-Amino-5-Bromobenzothiazole

2.Interm
ediates of HIV  
(2R,3S)-N-Boc-3-amino-1,2-epoxy-4-phenylbutane  
Methylcarbonyl-L-t-Leucine 
 162537-11-3
Tert-butyl 2-(4-(pyridin-2-yl)benzyl)hydrazine Carboxylate  198904-85-7
Lopinavir &n
bsp;
2,6-dimetyl- phenoxyacetic acid  78811-27-5
2(S)-(1-tetrahyr- Pyramid-2-one)-3 methyl butanoic acid&nb
sp; 192725-50-1
Ritonavir/Liponavir Core  
(S,Z)-5-amino-2-(dibenzylamino)-1,6-diphenylhex-4-en-3-one&
nbsp; 156732-13-7
(2S,3S,5S)-5-amino-2-(benzylamino)-1,6 diphenyl hexan-3-ol  156732-15-9
Tert butyl(2
S,4S,5S)-5-amino-4-hyroxy 1,6 diphenylhexan-2yl-carbamat  14463-85-9
Ritonavir  
5-hyrdoxymethyl
thiazole  38585-74-9
1-(2-isopropylthiazol-4-yl)-N-methyl methanamine   154212-60-9
(S)-2-(3-((2-
isopropylthiazol-4-yl)methyl)-3-methylureido)-3-methylbutanoic acid  

3.Thiophenes
2,5-dichlorothiophene

3172-52-9  98?
3-Acetyl-2,5-dichlorothiophene
36157-40-1  98?
2,3,5-Tribromothiophene

3141-24-0  98?
4-Bromo-2-methylthiophene
29421-92-9  98?
2-Mercaptothiophene

4
. Pyrimidines

4-methylpyrimidine
4-pyrimidinecarboxylic acid
ethyl 4-pyrimidinecarboxylate
6-methyluracil

6-methyl-5-chlorouracil

5.Chiral Componuds
R-tetrahydropapaverine HCl 54417-53-7  98%  

S-tetrahydropapaverine HCl    98%  
R(+)-3-amino-1,2-propanediol  66211-46-9&nb
sp;  98%  
S(+)-3-chloro-1,2-propanediol 57090-45-6   98%  
S(+) Glycidyl tosylate 7
0987-78-9  98%  
N-acetyl-L-leucine  1188-21-2   98%  
N-Acetyl-L-Glu
tamic 1

6. Pyridines
5-bromo-2-methylpyridine
(5-bromo-2-picoline)
3430-13-5  98%
5-Bromo-
2-cyanopyridine
97483-77-7  98%
2-bromo-4-aminopyri