Products
 Pyrazole
 Indazole
 Isatin
 Pyridine
 Pyrimidine
 Quinazoline
 Benzene ring
 Pharmaceutical intermediates 1
 Pharmaceutical intermediates 2
 API
 Others
  1-methyl-1H-pyrazol-5-ylamine
  1-(1H-Pyrazol-4-yl)ethanone
  Pyrazole-3-carboxamide
  1H-Pyrazole-3-carboxylic acid methyl ester
  3-BROMO-4-NITROANISOLE
  4-bromo-2-methoxy-1-nitrobenzene
  5-bromo-2-nitrophenol
  3-bromo-4-nitrophenol
  3-Pyrazolecarboxylic acid
  Fasudil hydrochloride
  3-Methyl-2-nitroanisole
  AZD 6244
  1H-Pyrazole-3(5)-carbxaldehyde
  2-Methoxy-6-methylaniline
  1-Chloro-3,5-diisopropylbenzene
  Methyl 3,3-dimethoxypropionate
  Ethyl 3,3-diethoxypropionate
  Tetrahydropyran-4-acetic acid
  4-Chloro-3-hydroxybenzoic acid
  1H-pyrazole-3-carboxylic acid ethyl ester
  1-Methyl-1H-pyrazole-3-carboxylic acid
  1-Methyl-1H-pyrazole-5-carboxylic acid
  1,1¡¯-spirobiindane-7,7¡¯-diol
  7-Chloro-4-Hydroxy-6-Nitroquinazoline
  Dimethyl (3-oxo-1,3-dihydroisobenzofuran-1-yl)phosphonate
  1-Ethyl-5-nitro-1h-indazole
  5-Amino-1-ethyl-1h-indazole
  6-Iodoquinazolin-4(1H)-one
  6-Iodo-N-(3-methyl-4-((6-methylpyridin-3-yl)oxy)phenyl)quinazolin-4-amine
  2-ethyl-2H-indazol-5-amine
  CP-724714
  3-Methyl-4-(6-methyl-pyridin-3-yloxy)-phenylamine
  Afatinib
  Ulipristal
  7-chloroquinazolin-4-ol
  4-Biphenylcarboxylic acid
  5-bromo-1H-indazole
  6-bromo-1H-indazole
  1H-indazol-3-amine
  6-bromo-1H-indazol-3-amine
  5-bromo-1H-indazol-3-amine
  6-fluoro-1H-indazole
  6-bromo-1-methyl-1H-indazol-3-amine
  Ethyl 6-bromo-1H-indazole-3-carboxylate
  6,7-dimethoxyquinazolin-4-ol
  4-chloro-6,7-dimethoxyquinazoline
  4,7-dichloroquinazoline
  7-chloroquinazolin-4-ol
  4,6-dichloroquinazoline
  6-chloroquinazolin-4-ol
  4-chloro-6-fluoroquinazoline
  6-fluoroquinazolin-4-ol
  4-chloro-7-fluoroquinazoline
  4-Chloroisatin
  4-BROMOISATIN
  7-Fluoroisatin
  6-Fluoroisatin
  5-Fluoroisatin
  6-Bromoisatin
  6-Chloroisatin
  7-chloroisatin
  5-Bromoisatin
  6-Methoxyisatin
  Ataluren
  Perifosine
  2-Amino-4,6-dichlorotriazine
  [1,5]Naphthyridin-4-ol
  1,5-Naphthyridin-4-amine
  4-Hydroxy-1,5-naphthyridine-3-carboxylic acid
  1-Acenaphthenamine hydrochloride
  1-Acenaphthenamine
  3-(3-(4-(2-methoxyethoxy)phenyl)-1,2,4-oxadiazol-5-yl)benzoic acid
  (3-(2,6-dichlorophenyl)-5-isopropylisoxazol-4-yl)methanol
  ethyl 2-(tetrahydro-2H-pyran-4-yl)acetate
  ethyl 4-hydroxy-1,5-naphthyridine-3-carboxylate
  6-Bromo-3H-isobenzofuran-1-one
  3-Methyl-1H-indazole
  1-(6-bromopyridin-2-yl)propan-1-one
  PD 0325901
  Panobinostat
  furan-2,3-dicarboxylic acid
  Tetrahydro-2H-pyran-4-ethanol
  Methyl 4-amino-3-hydroxybenzoate
  1-(4-bromo-2-methylphenyl)ethanone
  ¦Á-bromo-1-cyclopropylethanone
  Olaparib
  5-hydroxyquinoline-8-carbonitrile
  7-fluoro-1H-indazole-3-carboxylic acid
  Thieno[3,2-d]pyrimidin-4(3H)-one
  6-chloroimidazo[1,2-b]pyridazine
  6-bromo-3-hydroxy-3,4-dihydroquinolin-2(1H)-one
  5-(Trifluoromethyl)isatin
  Indole-5-carboxylic acid
  5-Chloroisatin
  2-(t-butyloxycarbonylamino)-benzoic acid
  1-benzyl-4-(2-aminobenzoyl)aminopiperidine
  2-amino-N-[1-(phenylmethyl)-4-piperidinyl]-benzenemethanamine
  1-benzyl-4-(1,2,3,4-tetrahydro-2-oxo-3-quinazolinyl)piperidine
  3,4-dihydro-3-(4-piperidinyl)-2(1H)-quinazolinone
  5-bromo-7-methyl-1H-indazole
  7-methyl-1H-indazole-5-carbaldehyde
  5-(2-methoxy-vinyl)-7-methyl-1H-indazole
  (7-methyl-1H-indazol-5-yl)-acetaldehyde
  (+/-)-4-(7-methyl-1H-indazol-5-yl)-3-pyridin-2-yl-butyric acid
  (+/-)-3-{1-[4-(7-methyl-1H-indazol-5-yl)-3-pyridin-2-yl-butyryl]-piperidin-4-yl}-3,4-dihydro-1H-quinazolin-2-one
  3-acetyltetrahydrofuran-2-one
  3-(2-hydroxy-ethyl)-2-methyl-pyrido[1,2-a]pyrimidin-4-one
  3-(2-chloro-ethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
  ethyl benzofuran-2-carboxylate
  2-hydroxymethyl-benzo[b]furan
  2-(Bromomethyl)benzo[b]furan
  benzofuran-2-carbonitrile
  2-(benzofuran-2-yl)ethanamine
  1,2,3,4-tetrahydrobenzofuro[3,2-c]pyridine
  2-methyl-3-[2-(1,2,3,4-tetrahydrobenzo[4,5]furo[3,2-c]pyridin-2-yl)ethyl]-4H-pyrido[1,2-a]pyrimidin-4-one
  1-oxo-isochroman
  3-methoxy-5,8,9,13b-tetrahydro-6H-isoquino[1,2-a]isoquinoline
  LE425
  LE404
  3-chloro-2-hydroxy-5-nitropyridine
  2,3-Dichloro-5-nitropyridine
  5-Amino-2,3-dichloropyridine
  (5,6-dichloro-pyridin-3-yl)-(2,2-dimethoxy-ethyl)-amine
  allyl-(5,6-dichloro-pyridin-3-yl)-(2,2-dimethoxy-ethyl)amine
  indan-4-ylamine
  2,3-dihydro-1H-inden-4-ol
  5-bromoindan-4-ol
  5-bromo-7-nitroindan-4-ol
  (4-{4-hydroxy-3-isopropyl-5-[(4-nitrophenyl)ethynyl]benzyl}-3,5-dimethylphenoxy)acetic acid
  5-[2-(trifluoromethyl)phenyl]-2H-1,2,3,4-tetrazole
  dimethyl bicyclo<2.2.2>octane-1,4-dicarboxylate
  bicyclo[2,2,2]octane-1,4-dicarboxylic acid hemimethyl ester
  methyl 4-[(methylamino)carbonyl]bicyclo[2.2.2]octane-1-carboxylate
  Reaxys Registry Number: 20876334
  methyl 4-{4-methyl-5-[2-(trifluoromethyl)phenyl]-4H-1,2,4-triazol-3-yl}bicyclo[2.2.2]octane-1-carboxylate
  2-amino-4-fluorobiphenyl
  N-Ac-2-amino-4-fluorobiphenyl
  8-fluoro-6-methylphenanthridine
  [2-fluoro-3-(trifluoro-methyl)phenyl](3-methoxyphenyl)methanone
  3-[3-benzyl-8-(trifluoro-methyl)quinolin-4-yl]phenol
  4-({3-[3-benzyl-8-(trifluoromethyl)quinolin-4-yl]phenoxy}methyl)benzoic acid
  WAY-254011
  methyl 2-fluoro-4-nitrobenzoate
  methyl 4-amino-2-fluorobenzoate
  4,5-Dihydro-5,5-dimethyl-2(3H)-furanone
  3,4-dihydro-4,4-dimethyl-naphthalen-1(2H)-one
  1,2,3,4-tetrahydro-4,4-dimethyl-1-oxo-7-bromo-naphthalene
  6-bromo-1,1-dimethyl-4-(p-tolyl)-1,2-dihydronaphthalene
  5,6-dihydro-5,5-dimethyl-8-(4-methylphenyl)-2-naphthalenecarboxylic acid
  2-fluoro-4-[[(5,6-dihydro-5,5-dimethyl-8-(4-methylphenyl)-2-naphthalenyl)carbonyl]amino]-benzoic acid
  2-Chloro-4-iodo-3-pyridinecarboxaldehyde
  4-[[3,5-bis(trifluoromethyl)phenyl]methyl]-6-(2-fluorophenyl)-5H-pyrido[3,2-f][1,4]oxazepin-3-one
  4-[[3,5-bis(trifluoromethyl)phenyl]methyl]-6-(4-fluorophenyl)-5H-pyrido[3,2-f][1,4]oxazepin-3-one
  2-[(4-fluoranyl-2-nitro-phenyl)amino]-2-methyl-propanoic acid
  7-fluoranyl-3,3-dimethyl-1,4-dihydroquinoxalin-2-one
  7-fluoro-4-[(isoquinolin-5-yloxy)acetyl]-3,3-dimethyl-3,4-dihydroquinoxalin-2(1H)-one
  7-fluoro-4-[(isoquinolin-5-yloxy)acetyl]-1,3,3-trimethyl-3,4-dihydroquinoxalin-2(1H)-one
  [3-methyl-4-(1,3-thiazol-2-yl)phenyl]methanol
  ethyl 3-(4-(5-(3-cyano-4-isopropyloxyphenyl)-1,3-thiazol-2-yl)-3-methylphenyl)propanoate
  3-(4-(5-(3-cyano-4-(2-propyloxy)phenyl)-1,3-thiazol-2-yl)-3-methylphenyl)propanoic acid
  4-((9-(tert-butyl)-2-oxo-3-(4-(trifluoroMethoxy)phenyl)-1,3-diazaspiro[5.5]undecan-1-yl)Methyl)benzoic acid
  4-((8-(tert-butyl)-2-oxo-3-(4-(trifluoroMethoxy)phenyl)-1,3-diazaspiro[4.5]decan-1-yl)Methyl)benzoic acid
  ethyl-(6-methyl-pyridin-2-ylmethyl)-amine
  4-tert-butyl-N-(3-dimethylamino-phenyl)-benzenesulfonamide
  [(4-tert-butyl-benzenesulfonyl)-(3-dimethylamino-phenyl)-amino]-acetic acid
  2-[(4-tert-butyl-benzenesulfonyl)-(3-dimethylamino-phenyl)-amino]-N-ethyl-N-(6-methyl-pyridin-2-ylmethyl)-acetamide
  1,3-Dimethyl-1H-quinoxalin-2-one
  4-methyl-3-oxo-3,4-dihydro-quinoxaline-2-carbaldehyde
  (S)-1-methyl-3-[(1-phenyl-ethylamino)methyl]-1H-quinoxalin-2-one
  S)-3-(2-ethoxy-phenyl)-1-(4-methyl-3-oxo-3,4-dihydro-quinoxalin-2ylmethyl)-1-(1-phenyl-ethyl)urea
  (R)-1-methyl-3-[(1-phenyl-ethylamino)methyl]-1H-quinoxalin-2-one
  (R)-3-(2-ethoxy-phenyl)-1-(4-methyl-3-oxo-3,4-dihydro-quinoxalin-2ylmethyl)-1-(1-phenyl-ethyl)urea
  2,4,5-trimethoxy-N-(2-methyl-1-oxidanyl-propan-2-yl)benzamide
  4,4-dimethyl-2-(2,4,5-trimethoxy-phenyl)-4,5-dihydro-oxazole
  2-isopropyl-4,5-dimethoxybenzoic acid
  2-isopropyl-4,5-dimethoxy-benzaldehyde
  RO-3
  [[3-(trifluoromethyl)benzoyl]amino]acetic acid
  8-(1,3-benzodioxol-5-yl)-1,4-dioxaspiro[4.5]decan-8-ol
  4-(1,3-benzodioxol-5-yl)-4-hydroxycyclohexanone
  4-(2-Quinolinylmethoxy)benzoic acid methyl ester
  4-(quinolin-2-ylmethyloxy)benzoic acid
  2-(pyridin-4-yl)-1-(4-(quinolin-2-ylmethoxy)phenyl)ethanone
  2-((4-(4-(pyridin-4-yl)-1H-pyrazol-5-yl)phenoxy)methyl)quinoline
  3-(2,6-dichlorophenyl)pentanedioic acid
  4-(2,6-dichlorophenyl)piperidine-2,6-dione
  4-(2,6-dichlorophenyl)piperidine
  (2-methyl-phenethyl)-malonic acid diethyl ester
  3,3-bis(ethoxycarbonyl)-5-(2-methylphenyl)pentanoic acid
  (+/-)-1-methyl-5-oxo-6,7,8,9-tetrahydro-5H-benzocycloheptene-7-carboxylic acid
  diphenyl-pyridin-4-yl-acetonitrile
  6-fluoro-1,2,3,4-tetrahydro-2-methyl-quinoline
  N,N-bis(¦Á-phenylbenzylidene)ethylenediamine
  N,N-bis(diphenylmethyl)ethylenediamine
  N,N-dibenzhydryl-ethane-1,2-diamine dihydrochloride
  2-fluoro-4-(methylsulfonyl)phenol
  4-hydroxypiperidine-1-carboxylic acid iPr ester
  4-(6-chloro-5-methyl-pyrimidin-4-yloxy)-piperidine-1-carboxylic acid isopropyl ester
  JNJ-28630355
  N-(3,4-dimethyl-5-isoxazolyl)-2-bromobenzenesulfonamide
     About Us

 

     Yangzhou Siyu Chemical Co.,Ltd.located in Guangling District, Yangzhou city, Jiangsu Province, relying on the middle of jiangsu pharmaceutical industry group, mainly engaged in chemical raw materials and products (mainly for pharmaceutical intermediates, pesticide intermediates, APIs) production and sales, the company has the first-class laboratory, supporting facilities and perfect production workshop equipped with many sets of advanced analytical instruments inspection department.
¡¡¡¡At present, we could provide hundreds of different stock products,and also could provide customized services from gram to tonnage.
¡¡¡¡The company has a perfect quality assurance system, with strong technical force, strict production management, sophisticated production technology, perfect testing method, reliable product quality based on the market.
¡¡¡¡We adhere to customer demand, product quality as the soul approach to development, strive to provide our customers with the products at home and abroad.
                                                             
 
Copyright 2013 Yangzhou siyu Chemical Co., Ltd.   ©All Rights Reserved. Supported by £ºwww.hxchem.net Post Office Backstage