Impurities

Quetiapine EP Impurity C

CAS Number

1798840-31-9

Quetiapine EP Impurity D

CAS Number

945668-94-0

Quetiapine EP Impurity E

CAS Number

1371638-05-9

Quetiapine EP Impurity F

CAS Number

848814-27-7

Quetiapine EP Impurity H

CAS Number

1076199-40-0

Quetiapine EP Impurity I

CAS Number

329216-67-3

Alternate CAS Number

329218-14-6 (2 HCl Salt)

Quetiapine EP Impurity J

CAS Number

1356906-17-6

Alternate CAS Number

1825392-15-1 (2HCl salt) ; 2470243-24-2 (Fumarate Salt)

Quetiapine S-Oxide Impurity

CAS Number

2448341-72-6

Quetiapine Standard

CAS Number

111974-69-7

Rabeprazole Impurity-A

CAS Number

117976-47-3

Rabeprazole

Rabeprazole Impurity-H

CAS Number

168167-42-8

Rabeprazole

rac Ketoprofen

CAS Number

22071-15-4

Dexketoprofen

rac-Mirabegron Nitroso Impurity

CAS Number

3035190-53-2

Nitrosamine Impurities

Racecadotril Impurity-F

CAS Number

87428-99-7

Racecadotril

Raltegravir Impurity-F

CAS Number

2138805-56-6

Raltegravir

Raltegravir Impurity-G

CAS Number

Raltegravir

Ramelteon Acetyl impurity

CAS Number

326793-94-6

Ramelteon Acrylonitrile

CAS Number

221530-44-5

Ramelteon Chiral Amide Impurity

CAS Number

1149757-30-1

Ramelteon Dimer Impurity

CAS Number

Ramelteon Dimer Impurity 2

CAS Number

Ramelteon Double Bond Amide Impurity

CAS Number

1149757-29-8

Ramelteon ene amine amide

CAS Number

882434-87-9

Ramelteon Impurity 5

CAS Number

1092507-01-1

Ramelteon Impurity 6

CAS Number

1185516-79-3

Ramelteon Impurity 7

CAS Number

1092507-02-2

Ramelteon lsobutyryl impurity

CAS Number

880152-61-4

Ramelteon Methyl Ester

CAS Number

1356395-13-5

Ramelteon Stage-2 Impurity

CAS Number

1053239-39-6

Alternate CAS Number

448964-37-2 (Free base)

Ranolazine O-desmethyl Impurity

CAS Number

172430-45-4

Ranolazine

Rasgiline Impurity 1

CAS Number

83-33-0

Rasagiline

Rasgiline Impurity 2

CAS Number

61341-86-4

Alternate CAS Number

32457-23-1 (HCl salt)

Rasagiline

Regorafenib EP Impurity B

CAS Number

2141961-84-2

Regorafenib FP Impurity-A

CAS Number

2514957-39-0

Regorafenib Impurity-C

CAS Number

1855006-12-0

Regorafenib Impurity-D

CAS Number

2438857-80-6

Regorafenib N-Oxide Impurity

CAS Number

835621-11-9

Chemical Primary Standard

Rel-(3S,4R)-1-(4-Fluorophenyl)-3-[(3R)-3-(2-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)-2-azetidinone

CAS Number

1798008-25-9

Remdesivir Impurity 4

CAS Number

1354823-36-1

Remdesivir O-Desphosphate Acetonide Impurity

CAS Number

1191237-80-5

Remdesivir O-Desphosphate Analogue

CAS Number

1191237-69-0

Remdesivir Standard

CAS Number

1809249-37-3