Product Categories
API Series
Intermediate Series
Crystal reference
Basic Chemicals
Impurity Reference
 
 
Impurity Reference

LCZ-696 Impurities

Product Name

CAS No.

Remark
LCZ-696 Impurity T N/A In stock
LCZ-696 Impurity S N/A In stock
LCZ-696 Impurity R N/A In stock
LCZ-696 Impurity Q N/A In stock
LCZ-696 Impurity P N/A In stock
LCZ-696 Impurity O N/A In stock
LCZ-696 Impurity N N/A In stock
LCZ-696 Impurity M N/A In stock
LCZ-696 Impurity L N/A In stock
LCZ-696 Impurity K N/A In stock
LCZ-696 Impurity J N/A In stock
LCZ-696 Impurity I N/A In stock
LCZ-696 Impurity H N/A In stock
LCZ-696 Impurity G N/A In stock
LCZ-696 Impurity F N/A In stock
LCZ-696 Impurity E N/A In stock
LCZ-696 Impurity D N/A In stock
LCZ-696 Impurity C N/A In stock
LCZ-696 Impurity B N/A In stock
LCZ-696 Impurity A 936623-90-4 In stock

Cis-Atracurium Besylate impurities

Product Name

CAS No.

Remark
Atracurium EP Impurity N/A In stock
Atracurium EP Impurity N/A In stock
Atracurium EP Impurity N/A In stock
Atracurium EP Impurity N/A In stock
Enantiomers of Cis-Quaternary N/A In stock
Atracurium EP Impurity W N/A
Atracurium EP Impurity V N/A In stock
Atracurium EP Impurity U N/A In stock
Atracurium EP Impurity T N/A In stock
Atracurium EP Impurity S N/A In stock
Cis-Quaternary related impurity N/A
Atracurium Impurity M N/A In stock
Cis-Quaternary EP related impurity K N/A In stock
Cis-Quaternary related impurity N/A In stock
cis-Quaternary methyl ethyl N/A In stock
cis-Quaternary methyl ester(EP -D) N/A In stock
Atracurium EP Impurity C N/A In stock
Atracurium EP Impurity N/A In stock
Atracurium EP Impurity L N/A In stock
Atracurium EP Impurity F 1100676-16-1 In stock
Atracurium EP Impurity E N/A In stock
Atracurium EP Impurity O N/A In stock
Atracurium EP Impurity N N/A In stock
Atracurium EP Impurity G N/A In stock
Atracurium EP Impurity H N/A Stock
Atracurium EP Impurity P N/A In stock
Dihydropapaverine HCl 6957-27-3 In stock
Atracurium EP Impurity A 1075727-06-8 In stock
R-Tetrahydropapaverine hydrochloride 6429-04-5 Custom synthesis
(S)-(-)-Tetrahydropapaverine 4747-98-2 In stock
(R)-(+)-Tetrahydropapaverine 50896-90-7 In stock
Atracurium EP Impurity Q N/A In stock
Atracurium EP Impurity R 64228-84-8 In stock
Cis-Atracurium Besylate 96946-42-8 In stock

Rivaroxaban Impurities

Product Name

CAS No.

Remark
Rivaroxaban Impurity 1 N/A In stock
Rivaroxaban Impurity 2 N/A Custom synthesis
Rivaroxaban Impurity 3 N/A In stock
Rivaroxaban Impurity 4 1429334-00-8 In stock
Rivaroxaban Impurity 5 N/A In stock
Rivaroxaban Impurity 6 N/A In stock
Rivaroxaban Impurity 7 N/A In stock
Rivaroxaban Impurity 8 1365267-36-2 In stock
Rivaroxaban Impurity 9 446292-08-6 In stock
Rivaroxaban Impurity 10 N/A Custom synthesis
Rivaroxaban Impurity 11 N/A In stock
Rivaroxaban Impurity 12 N/A In stock
Rivaroxaban Impurity 13 N/A Custom synthesis
Rivaroxaban Impurity 14 N/A In stock
Rivaroxaban Impurity 15 N/A In stock
Rivaroxaban Impurity 16 N/A In stock
Rivaroxaban Impurity 17 N/A In stock
Rivaroxaban Impurity 18 N/A In stock
Rivaroxaban Impurity 19 N/A In stock
Rivaroxaban Impurity 20 N/A In stock
Rivaroxaban Impurity 21 N/A In stock
Rivaroxaban Impurity 22 N/A Custom synthesis
Rivaroxaban Impurity 23 N/A In stock
Rivaroxaban Impurity 24 N/A In stock
Rivaroxaban Impurity 25 N/A In stock
Rivaroxaban Impurity 26 N/A In stock
Rivaroxaban Impurity 27 N/A In stock
Rivaroxaban Impurity 28 N/A In stock
Rivaroxaban Impurity 29 N/A In stock
Rivaroxaban Impurity 30 N/A In stock
Rivaroxaban Impurity F ( N-Methyl Phthalimide ) 550-44-7 In stock
Rivaroxaban Impurity G 721401-53-2 In stock
Rivaroxaban Metabolite 5 N/A Custom synthesis
Rivaroxaban Dimer Impurity N/A Stock
Rivaroxaban Related Compound 97799-98-9 In stock
Rivaroxaban O-Carboxy Benzamide Impurity N/A Custom synthesis
Rivaroxaban Related Impurity 1 31166-29-7 In stock
Rivaroxaban Related Compound N/A Custom synthesis
Rivaroxaban Related Compound 24065-33-6 In stock
Rivaroxaban Related Compound 1327778-39-1 In stock
R-Rivaroxaban 865479-71-6 In stock

Etoricoxib impurities

Product Name

CAS No.

Remark
Etoricoxib impurity D 221615-75-4 In stock
Etoricoxib Impurity E 5470-70-2 In stock
Etoricoxib N-Oxide 325855-74-1 In stock
Etoricoxib impurity 24 221615-73-2 Custom synthesis
Etoricoxib impurity 23 N/A In stock
Etoricoxib impurity 22 N/A Custom synthesis
Etoricoxib impurity 21 N/A In stock
Etoricoxib impurity 20 N/A In stock
Etoricoxib impurity 19 N/A Custom synthesis
Etoricoxib impurity 18 N/A In stock
Etoricoxib impurity 17 N/A In stock
Etoricoxib impurity 16 N/A In stock
Etoricoxib impurity 15 73312-69-3 In stock
Etoricoxib impurity 14 N/A Stock
Etoricoxib impurity 13 N/A In stock
Etoricoxib impurity 12 646459-41-8 In stock
Etoricoxib impurity 11 202409-31-2 In stock
Etoricoxib impurity 10 316149-01-6 In stock
Etoricoxib impurity 9 N/A In stock
Etoricoxib impurity 8 1421227-97-5 In stock
Etoricoxib impurity 7 646459-39-4 Custom synthesis
Etoricoxib impurity 6 N/A In stock
Etoricoxib impurity 5 1421227-96-4 In stock
Etoricoxib impurity 4 N/A Stock
Etoricoxib impurity 3 N/A In stock
Etoricoxib impurity 2 349536-41-0 In stock
Etoricoxib impurity 1 349536-39-6 In stock

Tofacitinib Impurities

Product Name

CAS No.

Remark
Tofacitinib Impurity Z 477600-76-3 In stock
Tofacitinib Impurity Y N/A In stock
Telmisartan impurity X N/A In stock
Telmisartan impurity W N/A In stock
Tofacitinib Impurity V N/A In stock
Tofacitinib Impurity U N/A In stock
Tofacitinib Impurity T N/A In stock
Tofacitinib Impurity S N/A In stock
Tofacitinib Impurity R 479633-63-1 In stock
Tofacitinib Impurity Q 3680-69-1 In stock
Tofacitinib Impurity P 1252883-90-1 In stock
Tofacitinib Impurity O N/A In stock
Tofacitinib Impurity N 1260614-73-0 In stock
Tofacitinib Impurity M 477600-74-1 In stock
Tofacitinib Impurity L N/A In stock
Tofacitinib Impurity K N/A In stock
Tofacitinib Impurity J N/A In stock
Tofacitinib Impurity I N/A In stock
Tofacitinib Impurity F 384338-23-2 In stock
Tofacitinib Impurity C 1092578-47-6 In stock
Tofacitinib Impurity B N/A In stock
Tofacitinib Impurity A 1092578-46-5 In stock

Sildenafil impurities

Product Name

CAS No.

Remark
Amino Sildenafil 319491-68-4 in stock
Sildenafil genotoxic impurity N/A in stock
Sildenafil genotoxic impurity N/A in stock
Sildenafil Dimer Impurity 1346602-67-2 In stock
N-Desmethyl Sildenafil 139755-82-1 In stock
Demethylpiperazinyl Sildenafil Sulfonic Acid 1357931-55-5 In stock
O-Desethyl Sildenafil 139755-91-2 In stock
Sildenafil N-Oxide 1094598-75-0 In stock
Isomer of Isobutyl Sildenafil 1391053-95-4 In stock

Sofosbuvir Impurities

Product Name

CAS No.

Remark
Sofosbuvir impurity 43 1520010-86-9 In stock
Sofosbuvir impurity 42 N/A Custom synthesis
Sofosbuvir impurity 41 N/A In stock
Sofosbuvir impurity 40
Sofosbuvir impurity 39 N/A In stock
Sofosbuvir impurity 38 N/A In stock
Sofosbuvir impurity 37
Sofosbuvir impurity 36
Sofosbuvir impurity 35 N/A In stock
Sofosbuvir impurity 34 1015073-43-4 In stock
Sofosbuvir impurity 33 N/A In stock
Sofosbuvir impurity 31 N/A Custom synthesis
Sofosbuvir impurity 32 1157884-58-6 In stock
Sofosbuvir impurity 30 874638-80-9 In stock
Sofosbuvir impurity 29
Sofosbuvir impurity 28 N/A Custom synthesis
Sofosbuvir impurity 27
Sofosbuvir impurity 26 N/A Custom synthesis
Sofosbuvir impurity 25 N/A In stock
Sofosbuvir impurity 24
Sofosbuvir impurity 23 N/A In stock
Sofosbuvir impurity 22 1233335-78-8 In stock
Sofosbuvir impurity 21 N/A In stock
Sofosbuvir impurity 20 N/A In stock
Sofosbuvir impurity 19 1337482-15-1 Custom synthesis
Sofosbuvir impurity 18 1190307-88-0 In stock
Sofosbuvir impurity 17 N/A In stock
Sofosbuvir impurity 16 N/A In stock
Sofosbuvir impurity 15 N/A In stock
Sofosbuvir impurity 14
Sofosbuvir impurity 13 N/A In stock
Sofosbuvir impurity 12 114262-49-6 In stock
Sofosbuvir impurity 11 N/A In stock
Sofosbuvir impurity 10 N/A In stock
Sofosbuvir impurity 9 944476-44-2 In stock
Sofosbuvir impurity 8 N/A In stock
Sofosbuvir impurity 7 N/A In stock
Sofosbuvir impurity 6 874638-94-5 Custom synthesis
Sofosbuvir impurity 5 863329-63-9 Custom synthesis
Sofosbuvir impurity 4 N/A Custom synthesis
Sofosbuvir impurity 3 863329-62-8 Custom synthesis
Sofosbuvir impurity 2 N/A In stock
Sofosbuvir impurity 1 863329-66-2 Sofosbuvir metabolite

Telmisartan impurities

Product Name

CAS No.

Remark
4'-(dibromomethyl)biphenyl-2-carboxylic acid N/A In stock
Desmethyl Dibenzimidazole 884330-09-0 In stock
Telmisartan Dimer Impurity 884330-14-7 In stock
4'-(bromomethyl)biphenyl-2-carboxamide 147404-72-6 In stock
methyl 4'-(dibromomethyl)biphenyl-2-carboxylate 1352492-08-0 In stock
Methyl 4'-(broMoMethyl)biphenyl-2-carboxylate 114772-38-2 In stock
Telmisartan Bromo Acid Impurity 150766-86-2 In stock
Telmisartan Methyl Ester 528560-93-2 In stock
CN-Desmethyl Telmisartan 144702-57-8 In stock
N-Desmethyl Telmisartan 144701-81-5 In stock
Telmisartan impurity H 114772-40-6 In stock
Telmisartan impurity G 144702-27-2 In stock
Telmisartan impurity F 915124-86-6 In stock
Telmisartan impurity E 884330-12-5 In stock
Telmisartan impurity C 144702-26-1 In stock
Telmisartan impurity B 1026353-20-7 In stock
Telmisartan impurity A 152628-02-9 In stock

Brexpiprazole impurities

Product Name

CAS No.

Remark
7-(pent-4-enyloxy)quinolin-2(1H)-one N/A In stock
Brexpiprazole impurity 23 4923-87-9 In stock
Brexpiprazole impurity 22 1423-61-6 In stock
benzo[b]thiophene 95-15-8
6-bromobenzo[b]thiophene 17347-32-9 In stock
6-hydroxyquinolin-2(1H)-one 19315-93-6 In stock
8-hydroxyquinolin-2(1H)-one 15450-76-7 In stock
5-Hydroxyquinolin-2(1H)-one 31570-97-5 In stock
Brexpiprazole impurity 16 N/A In stock
Brexpiprazole impurity 15 N/A In stock
Brexpiprazole impurity 14 N/A In stock
Brexpiprazole impurity 13 N/A In stock
Brexpiprazole impurity 12 N/A In stock
7-(4-chlorobutoxy)-1-(4-chlorobutyl)quinolin-2(1H)-one N/A In stock
N-(4-BroMobutyl)-7-(4-broMobutoxy)-quinoline-2(1H)-one 1076199-56-8 In stock
Brexpiprazole impurity 4 N/A In stock
Brexpiprazole impurity 9 N/A Stock
Brexpiprazole impurity 8 N/A Stock
Brexpiprazole impurity 7 N/A Stock
Brexpiprazole impurity 6 N/A Stock
Brexpiprazole impurity 5 N/A Stock
7,7'-(butane-1,4-diylbis(oxy))diquinolin-2(1H)-one N/A Stock
Brexpiprazole Impurity 1420987-86-5 Stock
7-(4-hydroxybutoxy)quinolin-2(1H)-one 1008531-47-2 Stock

Safinamide Impurity

Product Name

CAS No.

Remark
Safinamide impurity K 690969-16-5 Stock
Safinamide impurity J 1160513-60-9 Stock
Safinamide impurity I 1000370-24-0 Stock
Safinamide impurity H 1000370-27-3 Stock
Safinamide impurity G N/A Stock
Safinamide impurity F(N-oxide) N/A Stock
Safinamide impurity E 405-85-6 Stock
Safinamide impurity D N/A Stock
Safinamide impurity C N/A Stock
Safinamide impurity B N/A Stock
Safinamide impurity A 174756-44-6 Stock

Dabigatran Etexilate impurities

Product Name

CAS No.

Remark
Dabigatran Etexilate impurity J 1408238-37-8 Stock
Dabigatran Etexilate impurity M Stock
Dabigatran Etexilate impurity K Stock
Dabigatran Etexilate impurity I 1408238-36-7 Stock
Dabigatran Etexilate impurity H 1580491-16-2 Stock
Dabigatran Etexilate impurity G 1643377-48-3 Stock
Dabigatran Etexilate impurity F 1408238-41-4 Stock
Dabigatran Etexilate impurity E 1408238-40-3 Stock
Dabigatran Etexilate impurity D 212321-78-3 Stock
Dabigatran Etexilate impurity C 1422435-41-3 Stock
Dabigatran Etexilate impurity B 872728-85-3 Stock
Dabigatran Etexilate impurity A 211914-51-1 Stock

Tadalafil impurity reference

Product Name

CAS No.

Remark
Tadalafil impurity 951661-82-8 In stock
Tadalafil impurity 474668-76-3(Base) In stock
Tadalafil impurity N/A Stock
Aminotadalafi 385769-84-6 現貨
Tadalafil impurity 951661-81-7 In stock
Tadalafil EP impurity I N/A
Tadalafil EP impurity H 1978322-98-3
Tadalafil EP impurity G N/A In stock
Tadalafil EP impurity F N/A
Tadalafil EP impurity E N/A In stock
Tadalafil EP impurity D N/A
(1S,3R)-1-Benzo[1,3]dioxol-5-yl-2-(2-chloro-acetyl)-2,3,4,9-tetrahydro-1H-b-carboline-3-carboxylic Acid Methyl Ester 629652-40-0 Stock
(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester 629652-42-2 Stock
(1R,3S)-1-(1,3-Benzodioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester 629652-44-4 Stock
(1R,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester 171596-44-4 Stock
(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester 171596-43-3 Stock
(1S,3R)-Methyl-1,2,3,4-tetrahydro-1-(3,4-Methylenedioxyphenyl)-9H-pyrido[3,4-b]indole-3-carboxylate 171596-42-2 Stock
Ethyl Tadalafil 171488-11-2 Stock
DeMethyltadalafil 171596-36-4 Stock
Tadalafil impurity C 171596-28-4 Stock
Tadalafil impurity B 629652-72-8 Stock
Tadalafil impurity A 171596-27-3 EP pharmacopoeia impurity A

Aripiprazole impurity reference

Product Name

CAS No.

Remark
Dimer impurity 519138-48-8 In stock
7-(4-iodobutoxy)-3,4-dihydroquinolin-2(1H)-one 952308-47-3 In stock
Aripiprazole Impurity N/A In stock
Ariprazole Impurity 63309-35-3 commercial
Ariprazole Impurity 573691-11-9 Stock
Ariprazole Impurity 1026778-41-5 Stock
Ariprazole Impurity 1215336-42-7 Stock
Ariprazole Impurity 131732-09-7 Stock
Ariprazole Impurity 40779-26-8 Stock
Ariprazole Impurity 203395-84-0 Stock
Ariprazole Impurity 58899-27-7 Stock
Ariprazole Impurity 1359829-23-4 Stock
Ariprazole Impurity 1424857-93-1 Stock
Ariprazole Impurity 52749-50-5 Stock
Ariprazole Impurity 63386-61-8 Stock
Ariprazole Impurity 1424858-02-5 Stock
Ariprazole Impurity N/A Stock
Ariprazole Impurity N/A Stock
Ariprazole Impurity 795313-24-5 Stock
Ariprazole Impurity N/A Stock
5-Hydroxy-3,4-dihydroquinolin-2(1H)-one 30389-33-4 Stock
Ariprazole Isomer Impurity 203395-78-2 Stock
Desethylene Aripiprazole 1216394-63-6 Stock
Ariprazole Impurity 1147995-98-9 Stock
3,4-Dihydro-7-(4-hydroxybutoxy)-2(1H)-quinolinone 889443-20-3 Stock
Ariprazole Impurity 1008531-47-2 Stock
7-Hydroxyquinolinone 70500-72-0 Stock
USP Impurity H / Stock
Aripiprazole N,N-Dioxide 573691-13-1 Stock
USP Impurity D 882880-12-8 Stock
Aripiprazole Dimer Impurity 1797986-18-5 Stock
Aripiprazole N1-Oxide 573691-09-5 Stock
Dehydro Aripiprazole 129722-25-4 Stock
EP Impurity B 119532-26-2 Stock
EP Impurity A 22246-18-0 Stock
Aripiprazole EP impurity D 203395-82-8 EP pharmacopoeia impurity D
Aripiprazole EP impurity C 203395-81-7 EP pharmacopoeia impurity C
Disclaimer: The product patent protection for the product catalog are used by laboratory analysis or research and development purposes, and may not be sold to any national and regional patent protection, risk and liability if the resulting patent infringement, will be the buyer。

Home Previous   1Next Last

Copyright© 2013 OFFICE  All Rights Reserved