Welcome to LS International

LS International is dedicated to providing its products that combine quality performance and customer satisfaction. We wish to establish a successful partnership with our customers, our employees, and our suppliers that respects the interests and goals of each party.
  Intermediates
Product Name
CAS No.
 

ATORVASTATIN INTERMEDIATE

1 Cycl - isopropylidene malonate ( Meldrum's Acid)
   
CAREVIDIOL INTERMEDIATE
1 4-Hydroxy Carbazole [52602-9-8]
2 1,2,3,9-Tetrahydro-9[H]-Carbazole-4-One [15128-52-6]
3 4-Hydroxy carbazole [52602-39-8]
4 4-(2,3-Epoxy propoxy) carbazole [51997-51-4]
5 2-(2-Methoxy phenoxy) ethyl amine /HCL [1836-62-0]
6 N-[2-(2-Methoxy phenoxy) ethyl] benzyl amine / HCL [3246-03-5]
     
CITALOPRAM / ES CITALOPRAM OXALATE INTERMEDIATE
1 5-cyano phthalide [82104-74-3]
2 1-(4-Fluorophenyl)-1,3-Dihydro Isobenzofuran-5-Carbonitile [64169-67-1]
3 4-Nitro Phthalimide [89-40-7]
4 4-[4-Dimethylamino-1-(4-fluorophenyl)-1-hydroxybutyl]-3-hydroxymethyl benzonitrile [90357-53-2]
5 5 Cyanophthalide [128196-01-0]
6 4-[(4’-Dimethyl amino)-1-(4”-fluorophenyl)-1-hydroxy butyl]-3-(hydroxy methyl) benzonitrile hydrobromide [103146-26-5]
7 Citalopram base [59729-33-8]
8 1-(4’-Fluoro phenyl)-1,3-dihydro iso benzofuran-5-carbonitrile [64169-67-1]
     
CORVEDILOL INTERMEDIATE
1 4 Hydroxy Carbazole  
     
DILTIAZEM HCl INTERMEDIATE
1 Cis Hydroxy lactum  
2 (2S,3S)-(+)-3-(2-Aminophenylthio)-2-hydroxy-3-(41-methoxyphenyl) propionic acid (D-(+)- Acid)  
     
DOXAZOSIN MESYLATE & OTHERS INTERMEDIATE
1 1-[(2,3-Dihydro-1,4-benzodioxan-2-yl) carbonyl] piperazine [70918-00-2]
     
DULOXETINE INTERMEDIATE
1 RS-N,N-Dimethyl-3-hydroxy-3-(2-thienyl)-1-propanamine  
2 RS-N,N- Dimethyl-3-(1-Naphthalenyloxy)-3-(2-thienyl)-1-propanamine oxalate [116817-84-6]
3 S-(+)-N,N- Dimethyl-3-(1-Naphthalenyloxy)-3-(2-thienyl)-1-propanamine oxalate [132335-44-5]
4 (+) –N-Methyl –3-(1-naphthyloxy)-3-(2-thienyl) propanamine hydrochloride  
5 3-Dimethyl amino-1- (2-thienyl)-1-propanone hydrochloride  
     
ETODOLAC INTERMEDIATE
1 1A 7-Ethyl tryptophol [41340-36-7]
     
ETORICOXIB INTERMEDIATE
1 4-(methyl sulfonyl)-phenyl acetic acid [90536-66-6]
2 4-Methylsulfonyl acetophenone [10297-73-1]
3 Methyl-6-methyl-nicotinate(6-methyl pyridine-3-carboxylicacid methyl ester [5470702]
4 2-Chloro-1,3-bis(dimethylamino)trimethinium hexafluorophosphate  
     
FLUOXETINE HCL INTERMEDIATE
1 3-methylamino-1-phenyl-1-propanol  
     
FOPIRAMATE INTERMEDIATE
1 2,3 : 4,5 bis-o-(1-methylehtylidene)-Я-fructos pyranose  
2 2,3 : 4,5 bis-o-(1-methylehtylidene)-Я-fructos pyranose azidosulfate  
     
FROVATRIPTAN INTERMEDIATE
1 Nitrobenzaldehyde [553-16-8]
2 Nitrobenzaldoxime [1129-37-9]
3 4-Nitrobenzonitrile [619-80-7]
4 4-Nitro benzamide [2835-68-9]
5 4-Hydrazinobenzamide. HCl  
     
GABAPENTIN INTERMEDIATE
1 1,1 Cyclohexane Diaceticacid Mono Amide ( Intermediate of Gabapentin)  
     
GLIMEPIRIDE INTERMEDIATE
1 4[2(3ethyl-4methyl-2-Oxo 3pyrroline-1-Caroximido)ethyl benzene sulfonamide  
     
GLIPIZIDE INTERMEDIATE
1 N-{2-[4-(Aminosulfonyl)-phenyl]-ethyl}-5 Methylpyrazinecarboxamide [33288-71-0]
2 5 Methyl Pyrazine 2 Carboxylic Acid [5521-55-1]
     
IRBESARTAN INTERMEDIATE
1 2-Butyl-1,3-Diazaspiro[4,4]Non-1-en-4-One HCL  
     
ITRACANAZOLE INTERMEDIATE
1 2,4-Dihydro-4[4-(4-hydroxy phenyl)-1-piperazinyl]phenyl]-2-(1-methyl propyl)3H-,2,4-trizoic-3-one  
2 Cis[2-(2,4-dichlorophenyl)-2-(1-H-1H-1,2,4-triazole 1-YL-methyl)-1,3-dioxalan-4-yl] methyl methane sulphonate  
3 Cis-Bromo Benzoate (or) ( Cis-2-[2,4-Dichlorophenyl]-2-Bromomethyl-4- (Benzoyloxy)Methyl-1,3-Dioxalane)  
4 Para Methoxy Phenyl Piperazine HCL  
5 Bis-(2-Chloro Ethyl)Amine HCl  
     
LAMOTRIGENE INTERMEDIATE
1 2,3-dichloro benzoyl nitrile  
2 2,3 Dichlor Benzoyl Cyanide  
     
LISINOPRIL INTERMEDIATE
1 N2 - (1s) - (1-ethoxycabonyl) -3- phenyl -2- oxo(propyl) -N6- triflouro acetyl-(L) Lysine-phenyl-methyl ester. HCL  
2 N2 (1s)-(1-ethoxycabonyl)-3-phenyl (propyl) N6 triflouro acetyl- (L)-Lysine HCl (116169-90-5)
3 N2 (1s)-(1-ethoxycabonyl)-3-phenyl- (propyl) N6 triflouro acetate (L)- Lysine- L- Prolin benzyl ester maleic acid salt  
     
MONTELUKAST INTERMEDIATE
1 2-(2-[3(S)-[2-(7-Chloro 2quiolinyl ethnyl)Phenyl}3-hydroxy- Propyl)phenyl-2- propanol  
2 Methyl2-(3-(3-(2-(7-Chloro 2 quinolinyl) Ethenyl ) Phenyl)3(S)-Hydroxypropyl) Benzoate  
3 1-(Thiomethyl)-Cyclopropane Acetic Acid  
     
MOSAPRIDE INTERMEDIATE
1 4[N-(2-Hydroxy ethyl amino)]methyl fluoro benzene  
     
NARATRIPATIN INTERMEDIATE
1 4-Amino-N-Methyl Benzene Ethane Sulfonamide  
2 4-Hydrazino-N-Methyl Benzene Ethane Sulfonamide Hydrochloride  
     
NEVIRAPINE INTERMEDIATE
1 3-Amino-2-chloro-4-methylpyridine [133627-45-9]
2 2,Chloro-4-Methyl-3-3-nitropyridine [23056-39-5]
     
NIMODIPINE INTERMEDIATE
1 Isopropyl-3-Amino Crotonate  
     
NITRENDIPINE INTERMEDIATE
1 Ethyl-3-Amino Crotonate  
     
NIZATIDINE INTERMEDIATE
1 NN-Dimethylamino Thioacetamide HCL [27366-72-9]
2 1,3-Dichloroacetone [534-07-6]
     
OXATOMIDE INTERMIDIATE
1 81-[3-[4-(Diphenylmethyl)-1-piperazinyl]-propyl]-1,3-dihydro-2H-benzimidazol-2-one [65473-13-4]
Product Name
CAS No.
 
PERINDOPRIL INTERMEDIATE
1 Octahydro indole-2-carboxylic acid  
2 N-acetyl-indoline-2-carboxylic acid
3 (S)-Indoline-2-carboxylicacid
4 (2S. 3aS. 7aS) Octahydroindole- 2-carboxylic acid
5 Benzyl (2S. 3aS. 7aS)- octahydroindole-2-carboxylate tosylate
6 N-1- [(Carboethoxy-3-butyl)-S-alanine
7 N-acetyl-indoline-2-carboxylic acid
   
RISPERIDONE INTERMEDIATE
1 3-(2-Chloro Ethyl )-6,7,8,9-Tetrahydro-2-methyl-4H-Pyrido (1,2-a) pyrimidin-4-one Hcl  
2 6-fluoro-3-(4-piperidinyl)-1,2-benzisoxazol Hcl

   
RIZATRIPTAN INTERMEDIATE
1 1H-1-[(4-Aminophenyl) methyl] [1,2,4] triazole [119192-09-5]
2 1H-1-Sodium triazole [41253-21-8]
3 1H-1-[(4-Hydrazinophenyl) methyl]-[1,2,4] triazole dihydrochloride [212248-62-9]
   
ROSIGLITAZONE MALEATE INTERMEDIATE
1 2-(Methyl-2-pyridinyl amino) ethanol  
   
SERTRALINE HCL INTERMEDIATE
1 4-(3,4-DichloroPhenyl)-3,4-Dihydro-1-(2H)-Napthalenone  
2 Cis Racemic Setraline or Cis-N-Methyl-4-(3,4-DichloroPhenyl)-1,2,3,4-Tetrahydro-1-
3 Sertraline mandelate [79559-97-0]
4 Racemic Sertraline hydrochloride
5 Tetralone (4- (3,4-dichlorophenyl)-1,2,3,4-tetrahydro-1-naphthalenone)
6 (±) Cis Sertraline hydrochloride
7 (N-methyl-4- (3, 4-dichlorophenyl)-1,2,3,4-tetrahydro-1-naphthaleneamine hydrochloride)
8 [4-(3,4-dichlorophenyl)-3,4-dihydro-1-(2H)-napthalene] ( Tetralone)
   
SILDENAFIL BASE INTERMEDIATE
1 1-(3-(4,7-Dihydro-1methyl-7-oxo-3-propyl-1H-pyrazolo(4,3-pyridimin-5-yl)-4-ethoxy  
2 1-methyl-3-n-propylpyrazole-5-carboxylic acid
3 1-methyl-4-nitro-3-n-propylpyrazole-5-carboxylic acid
4 1-methyl-4-nitro-3-n-propylpyrazole-5-carboxamide
5 4-ethoxy-5-(4-mehtylpiperazin-1-sulfonyl)benzoic acid
6 4-[2-ethoxy-5-(4-methylpiperazin-1-sulfonyl)benzamide]-1-methyl-3-npropylpyrazole- 5-carboxamide
7 (2-chloro sulfonyl-2-ethoxy phenyl)-1-methyl-3-n-propyl-1,6 dihydro-7H-pyrazolo- [4,3,d]pyrimidine.
8 4-Amino-1-Methyl-3-Propyl Pyrazole-5-Carboxamide
9 4-[2-Ethoxy-5-(4-Methyl Piperazine-1-yl) Sulfonyl Benzamido]-1-Methyl-3-Propyl Pyrazole-5-Carboxamide
10 4-Amino-1-Methyl-3-Propyl Pyrazole-5-Carboxamide Hydrochloride
   
SULFACETAMIDE INTERMEDIATE
1 N4-Acetyl Sulphanilamide  
2 N1,N4-Diacetyl Sulphanilamide
   
SUMATRIPTAN INTERMEDIATE
1 4,4-Diethoxy-N,N-dimethyl-1- butanamine [1116-77-4]
2 N-Methyl-4-nitro benzene methane sulfonamide [85952-29-0]
3 4-Amino-N-methyl- benzene methane sulfonamide [109903-35-7]
4 4-Hydrazino-N-methyl benzene methane sulfonamide HCl [88933-16-8]
   
SUMATRIPTAN SUCCINATE INTERMEDIATE
1 4-Chloro Butyraldehyde Sodium bisulphite adduct (or) 4-Chloro-1-Hydroxy Butane Sulphonic  
2 4-Chloro Butyraldehyde Potassium bisulphite adduct (or) 4-Chloro-1-Hydroxy Butane
3 4-Chloro Butyraldehyde Diethyl Acetal (or) 4-Chloro Butanal Diethyl Acetal (or) 4-Chloro-1, 1-Diethoxy Butane
4 4-Nitro-N-Methyl Benzene Methane Sulfonamide
5 4 - Dimethylamino Butyraldehyde Diethyl Acetal (or) 4-Dimethylamino Butanal
6 Sumatriptan Base (or) 3-[2-(Dimethylamino)ethyl]-N-Methyl-1H-Indole-5-Methane Sulfonamide
7 3-[2-Amino Ethyl]-N-Methyl-1H-Indole-5-Methane Sulfonamide
   
TAMSULOSIN HCL INTERMEDIATE
1 2-(-2- ethoxyphenoxy) ehtylbromide)  
2 2-ethoxy phenoxy ehtyl amine
3 4-methoxy-3-benzene sulfamyl methyl ketone
4 (5-((2R)-2-aminophenoxy)ethyl bromide)
5 (-)-2-(p-Methoxyphenyl)-1-methylethylamine hydrochloride
6 5-((2R)-2-aminopropyl)-2-methoxybenzene sulfonamide
   
TERFENADINE INTERMEDIATE
1 1-(4-tert - butylphenyl)-4-(4-(Hydroxydiphenylmethyl)-1-piperidinyl)-1-butanone  
2 1-(4-tert - butylphenyl)-4-chloro-1-butanone
3 Azacyclonol
   
VENELAFAXINE INTERMEDIATE
1 [2- Amino 1 (4-Methoxy phenyl) ethyl] cyclohexanol Hydrochloride. [149289-31-6]
Copyrights©lspharmachem.com All rights reserved.
Powered by 3KITS