Pharmaceutical standards are guidelines and regulations that govern the quality and safety of pharmaceutical products and manufacturing processes.

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Quetiapine Standard

CAS Number
111974-69-7
Quetiapine
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Quinine

CAS Number
130-95-0
Chemical Primary Standard
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Slide 1.GIF

Rabeprazole Impurity-A

CAS Number
117976-47-3
Rabeprazole
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Rac-6-Chloro Voriconazole

CAS Number
188416-35-5
Voriconazole
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654655-80-8

Rac-Bedaquiline

CAS Number
654655-80-8
Bedaquiline fumarate
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rac-Clopidogrel Carboxylic Acid

rac-Clopidogrel Carboxylic Acid

CAS Number
90055-55-3
Alternate CAS Number
1015247-88-7(HCl Salt)
Clopidogrel
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1330277-46-7

rac-Mirabegron

CAS Number
1330277-46-7
Mirabegron
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3035190-53-2

rac-Mirabegron Nitroso Impurity

CAS Number
3035190-53-2
Nitrosamine Impurities
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Slide 1.GIF

Racecadotril Impurity-C

CAS Number
124735-06-4
Racecadotril
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Slide 1.GIF

Racecadotril Impurity-F

CAS Number
87428-99-7
Racecadotril
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Slide 1.GIF

Racecadotril Standard

CAS Number
81110-73-8
Racecadotril
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Racemic Ramelteon

CAS Number
196597-17-8
Ramelteon
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Slide 1.GIF

Raloxifene Impurity-A

CAS Number
1159977-58-8
Raloxifene
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Raloxifene Standard

Raloxifene Standard

CAS Number
84449-90-1
Raloxifene
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Raltegravir Amine Impurity

Raltegravir Amine Impurity

CAS Number
518048-03-8
Raltegravir
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Slide 1.GIF

Raltegravir Impurity-G

CAS Number
NA
Raltegravir
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Raltegravir Oxalyl acetohydrazide

CAS Number
1391918-17-4
Raltegravir
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Raltegravir Oxalyl Anolog

CAS Number
1064706-98-4
Raltegravir
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Raltegravir Related Compound-E

CAS Number
1193687-87-4
Raltegravir
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Raltegravir Standard

Raltegravir Standard

CAS Number
518048-05-0
Alternate CAS Number
871038-72-1(K Salt)
Raltegravir
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Ramelteon Acetyl impurity

CAS Number
326793-94-6
Ramelteon
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Ramelteon Acrylonitrile

CAS Number
221530-44-5
Ramelteon
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Ramelteon Chiral Amide Impurity

CAS Number
1149757-30-1
Ramelteon
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Ramelteon Dimer Impurity

CAS Number
NA
Ramelteon
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Ramelteon Dimer Impurity 2

CAS Number
NA
Ramelteon
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Ramelteon Double Bond Amide Impurity

CAS Number
1149757-29-8
Ramelteon
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Ramelteon ene amine amide

CAS Number
882434-87-9
Ramelteon
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Ramelteon Impurity 5

CAS Number
1092507-01-1
Ramelteon
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Ramelteon Impurity 6

CAS Number
1185516-79-3
Ramelteon
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Ramelteon Impurity 7

CAS Number
1092507-02-2
Ramelteon
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Ramelteon lsobutyryl impurity

CAS Number
880152-61-4
Ramelteon
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Ramelteon Methyl Ester

CAS Number
1356395-13-5
Ramelteon
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Ramelteon R-Isomer Impurity

CAS Number
196597-27-0
Ramelteon
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Ramelteon Stage-2 Dimer Impurity

CAS Number
1365920-38-2
Ramelteon
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Ramelteon Stage-2 Impurity

CAS Number
1053239-39-6
Alternate CAS Number
448964-37-2 (Free base)
Ramelteon
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Ramelteon Standard

CAS Number
196597-26-9
Ramelteon
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Ramipril Standard

Ramipril Standard

CAS Number
87333-19-5
Ramipril
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Slide 1.GIF

Ranitidine Impurity-A

CAS Number
72126-78-4
Ranitidine
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Ranitidine Standard

CAS Number
66357-35-5
Ranitidine
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Ranolazine Acid Impurity

CAS Number
172430-48-7
Ranolazine
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Ranolazine O-desmethyl Impurity

CAS Number
172430-45-4
Ranolazine
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Rasagiline Standard

CAS Number
136236-51-6
Rasagiline
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Rasgiline Impurity 2

CAS Number
61341-86-4
Alternate CAS Number
32457-23-1 (HCl salt)
Rasagiline
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Regorafenib EP Impurity A

CAS Number
757251-39-1
Regorafenib
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Regorafenib EP Impurity B

CAS Number
2141961-84-2
Regorafenib
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Regorafenib FP Impurity C

CAS Number
18585-06-3
Regorafenib
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Slide 1.GIF

Regorafenib FP Impurity-A

CAS Number
2514957-39-0
Regorafenib
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Regorafenib N-Oxide Impurity

CAS Number
835621-11-9
Regorafenib
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