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北京承源科技有限公司 Company Information

Company Name:    Beijing Chengyuan Technology Co., Ltd.
Tel:    17763170855
Fax:   
Email:    ruisizhixing@163.com
Nationality:    China
WebSite:    www.cyscitech.cn
Product List:    754
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Product List
Bortezomib 179324-69-7
2-Chloropropiophenone 6084-17-9
Bendamustine hydrochloride 3543-75-7
3-aminopiperidine-2,6-dione 2353-44-8
6-Oxo-3H-pyrimidine-4-carboxylic acid 6299-87-2
N-METHYLSUCCINIMIDE 1121-07-9
Efavirenz 154598-52-4
2-Phthalimidopropionic acid 21860-24-4
4-[(4-Fluorophenyl)methyl]-2-morpholinemethanamine 112914-13-3
2-PYRIMIDINEMETHANAMINE 75985-45-4
4-oxocyclohexanecarboxylic acid 874-61-3
7-AMINO-3-CHLOROMETHYL-3-CEPHEM-4-CARBOXYLIC ACID P-METHOXYBENZYL ESTER, HYDROCHLORIDE 113479-65-5
GCLE 104146-10-3
2-Aminopyrimidine 109-12-6
Bupivacaine hydrochloride 14252-80-3
4-NITROPHENYL PHOSPHORODICHLORIDATE 777-52-6
5-Chloropyrimidine 17180-94-8
5-Amino-4,6-dichloropyrimidine 5413-85-4
4-CHLORO-5-FLUORO-2-METHOXYPYRIMIDINE 1801-06-5
2-CHLORO-4-METHOXYPYRIMIDINE 22536-63-6
4,6-Dichloro-5-nitropyrimidine 4316-93-2
2,4,5-Trichloropyrimidine 5750-76-5
2,4-Dichloropyrimidine 3934-20-1
2,4-Dichloro-5-nitropyrimidine 49845-33-2
2,6-Dichloropurine 5451-40-1
4-Chloro-7H-pyrrolo[2,3-d]pyrimidine 3680-69-1
2-Amino-4,6-dichloropyrimidine 56-05-3
6-Chloropurine 87-42-3
2,6-Dihydroxypurine 69-89-6
(S)-N-FMOC-4-Chlorophenylalanine 175453-08-4
(S)-N-Fmoc-4-Bromophenylalanine 198561-04-5
2-Amino-5-methyl-3-thiophenecarbonitrile 138564-58-6
5-Fluoro-2-methoxy-4(1H)pyrimidinone 1480-96-2
Maleimide 541-59-3
Osimertinib mesylate 1421373-66-1
2-Chloro-3-nitropyridine 5470-18-8
sodium,4-(4-hydroxyphenyl)phenolate 334354-88-6
1- phenyl-β-carboline;1-phenyl-9H-pyrido[3,4-b]indole 16765-79-0
1-(3,4-dimethoxyphenyl)-β-carboline;1-(3,4-dimethoxyphenyl)-9H-pyrido[3,4-b]indole 94258-44-3
9-methyl-9H-pyrrolo[2,3-c:5,4-c']dipyridine 101303-26-8
1H-IMidazo[1,2-a]iMidazole,2,3,5,6-tetrahydro-2,6-bis(phenylMethyl)-, (2S,6S)- 877773-30-3
6-chloro-1H-pyrimidin-2-one 80927-55-5
5-Bromo-2,4-dichloropyrimidine 36082-50-5
2-Ethoxy-5-fluoro-1H-pyrimidin-4-one 56177-80-1
9-Methyl-9H-beta-carboline 2521-07-5
Barbituric acid 67-52-7
2,3-Dibromomaleinimide 1122-10-7
1-(4-methoxyphenyl)-9H-pyrido[3,4-b]indole;1-(4-methoxyphenyl)- -β-carboline 139655-06-4
β-carboline-3-amine;9H-pyrido[3,4-b]indol-3-amine 73834-77-2
(2S,6S)-2,6-di-tert-butyl-1,2,3,5,6,7-hexahydroiMidazo[1,2-a]iMidazol-4-iuM iodide 1173050-17-3
[(3E)-3-[[4-[(Z)-[7,7-dimethyl-3-oxo-4-(sulfomethyl)norbornan-2-yliden e]methyl]phenyl]methylidene]-7,7-dimethyl-2-oxo-norbornan-1-yl]methane sulfonic acid 92761-26-7
Ethyl 4-hydroxy-2-methylthio-5-pyrimidinecarboxylate 53554-29-3
2,4-Dichloro-5-fluoropyrimidine 2927-71-1
2,3-Pyrazinedicarboxylic acid 89-01-0
1-methyl-β-carboline;1-methyl-9H-pyrido[3,4-b]indole 486-84-0
1-(3,4,5-trimethoxyphenyl)-β-carboline;1-(3,4,5-trimethoxyphenyl)-9H-pyrido[3,4-b]indole 1145668-23-0
ethyl β-carboline-3-carboxylate;ethyl 9H-pyrido[3,4-b]indole-3-carboxylate 74214-62-3
N-METHYLBARBITURIC ACID 2565-47-1
2-Ethoxy-4-chlor-pyrimidin 92520-02-0
4,6-Dichloropyrimidin-2(1H)-one 6297-80-9
5-Amino-4,6-dichloro-2-methylpyrimidine 39906-04-2
5H-pyrrolo[3,2-c:4,5-c']dipyridine 244-78-0
(S)-tert-Leucinol 112245-13-3
N-[(1S,2S)-2-amino-1,2-diphenylethyl]-4-methylbenzenesulfonamide 224454-16-4
Benzenesulfonamide,N-[(1R,2R)-2-[[(2S)-2-amino-3,3-dimethylbutyl]amino]-1,2-diphenylethyl]-4-m-ethyl- 1452391-15-9
Tiopronin Impurity 1 21269-37-4
OMEPRAZOLE RELATED COMPOUND A (15 MG) (OMEPRAZOLE SULFONE) (AS) 88546-55-8
3,5-Bis(2-cyanoprop-2-yl)benzyl bromide 120511-84-4
5-Methyl-1,3-benzenediacetonitrile 120511-74-2
CROTONYLBETAINE(CARNITINE IMPURITY)(RG) 927-89-9
Tegafur Impurity I 2135430-03-2
(2R,6R)-2,3,5,6-Tetrahydro-2,6-diphenyl-1H-imidazo[1,2-a]imidazole 229978-45-4
1H-IMidazo[1,2-a]iMidazole,2,3,5,6-tetrahydro-2,6-bis(1-Methylethyl)-, (2S,6S)- 519038-82-5
S,S-2,6-bis(1,1-diMethylethyl)-2,3,5,6-tetrahydro-1H-IMidazo[1,2-a]iMidazole 877773-38-1
1,2,3,3a,4,5,6,6a-octahydropentalene-1,4-diol 32652-65-6
2-Amino-2-cyanoacetamide 6719-21-7
(4-acetyloxy-1,2,3,3a,4,5,6,6a-octahydropentalen-1-yl) acetate 17572-85-9
2,3,3a,5,6,6a-hexahydropentalene-1,4-dione 77483-80-8
Methotrexate 59-05-2
(3aS,12bS)-2-Methyl-2,3,3a,12b-tetrahydro-1H-dibenzo[2,3:6,7]oxepino[4,5-c]pyrrole 65576-39-8
Asenapine 65576-45-6
Reaxys ID: 3623864 129385-61-1
SGWOPWVMYXQVHJ-UHFFFAOYSA-N 129385-60-0
(3aR,12bR)-rel-5-Chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrol-1-one 912356-08-2
PROPANTHELINE BROMIDE RELATED COMPOUND A (50 MG) (9-HYDROXYPROPANTHELINE BROMIDE) 93446-04-9
Dihydroproscar 98319-24-5
2-Piperazine-4-amino-6,7-dimethoxyquinazoline 60547-97-9
2-Chloro-4-amino-6,7-dimethoxyquinazoline 23680-84-4
6,7-DiMethoxy-2-(4-(tetrahydrofuran-2-carbonyl)piperazin-1-yl)quinazolin-4(1H)-one 1177261-73-2
2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMine] 102839-00-9
Tropisetron Hydrochloride β-isomer
Methyl etherified bicyclol (impurity II)
4-Nitro-3-trifluoromethyl aniline 393-11-3
6-amino-5-bromo-1H-pyrimidin-2-one 2240-25-7
2,4-Dichlorothieno[3,2-d]pyrimidine 16234-14-3
N-(2-oxo-1H-pyrimidin-6-yl)benzamide 26661-13-2
6-chloroguanine 10310-21-1
Pyrrolo[2,3-d]pyrimidin-4-ol 3680-71-5
[2-[[4-[[7,7-dimethyl-3-oxo-4-(sulfomethyl)-2-bicyclo[2.2.1]heptanylidene]methyl]phenyl]methylidene]-7,7-dimethyl-3-oxo-4-bicyclo[2.2.1]heptanyl]methanesulfonic acid 90457-82-2
DROMETRIZOLE TRISILOXANE 155633-54-8
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