Clasien Pharm USA Inc.

Company Description

Clasien Pharm USA Inc. 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-(chloromethyl)thiozole
2-chloro-5-aminomethylthiazole
2-chlorothiazole
2-Amino-5-Bromobenzothiazole

2.Intermediates 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  
2,6-dimetyl- phenoxyacetic acid  78811-27-5
2(S)-(1-tetrahyr- Pyramid-2-one)-3 methyl butanoic acid  192725-50-1
Ritonavir/Liponavir Core  
(S,Z)-5-amino-2-(dibenzylamino)-1,6-diphenylhex-4-en-3-one  156732-13-7
(2S,3S,5S)-5-amino-2-(benzylamino)-1,6 diphenyl hexan-3-ol  156732-15-9
Tert butyl(2S,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   98%  
S(+)-3-chloro-1,2-propanediol 57090-45-6   98%  
S(+) Glycidyl tosylate 70987-78-9  98%  
N-acetyl-L-leucine  1188-21-2   98%  
N-Acetyl-L-Glutamic 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