Pharmaceutical Standards

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 R-Isomer Impurity

CAS Number

196597-27-0

Ramelteon Stage-2 Dimer Impurity

CAS Number

1365920-38-2

Ramelteon Stage-2 Impurity

CAS Number

1053239-39-6

Alternate CAS Number

448964-37-2 (Free base)

Ramelteon Standard

CAS Number

196597-26-9

Ramipril Standard

CAS Number

87333-19-5

Ramipril

Ranitidine Impurity-A

CAS Number

72126-78-4

Ranitidine

Ranitidine Standard

CAS Number

66357-35-5

Ranitidine

Ranolazine Acid Impurity

CAS Number

172430-48-7

Ranolazine

Ranolazine O-desmethyl Impurity

CAS Number

172430-45-4

Ranolazine

Rasagiline Standard

CAS Number

136236-51-6

Rasagiline

Rasgiline Impurity 2

CAS Number

61341-86-4

Alternate CAS Number

32457-23-1 (HCl salt)

Rasagiline

Regorafenib EP Impurity A

CAS Number

757251-39-1

Regorafenib EP Impurity B

CAS Number

2141961-84-2

Regorafenib FP Impurity C

CAS Number

18585-06-3

Regorafenib FP Impurity-A

CAS Number

2514957-39-0

Regorafenib N-Oxide Impurity

CAS Number

835621-11-9

Regorafenib Standard

CAS Number

755037-03-7

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

Repaglinide Impurity 3

CAS Number

503834-19-3

Repaglinide Impurity-A

CAS Number

220438-80-2

Repaglinide Impurity-D

CAS Number

147770-06-7

Repaglinide Standard

CAS Number

135062-02-1