Pharmaceutical Standards

Apremilast Impurity 37

CAS Number

608142-27-4

Apremilast Impurity 4

CAS Number

1407140-51-5

Apremilast N-formyl Impurity

CAS Number

2077897-94-8

Apremilast O-Desmethyl Impurity

CAS Number

1384441-38-6

Apremilast Olifin Amine

CAS Number

1450657-31-4

Apremilast R-Isomer

CAS Number

608141-44-2

Apremilast Standard

CAS Number

608141-41-9

Aprepitant EP Impurity A

CAS Number

170729-76-7

Aprepitant

Aprepitant Impurity 2

CAS Number

171338-33-3

Alternate CAS Number

874460-46-5(HCl Salt)

Aprepitant

Aprepitant Nitroso Impurity 4

CAS Number

77817-40-4

Nitrosamine Impurities

Aprepitant Standard

CAS Number

170729-80-3

Alternate CAS Number

2563866-47-5(HCl Salt)

Aprepitant

Aripiprazole API

CAS Number

129722-12-9(Freebase)

Aripiprazole Diquinoline Butanediol Impurity

CAS Number

882880-12-8

Aripiprazole Hydroxyquinolinone Analog

CAS Number

70500-72-0

Aripiprazole Isomer

CAS Number

203395-78-2

Aripiprazole Monohydrate

CAS Number

851220-85-4

Aripiprazole N-Isomer Impurity

CAS Number

1797983-65-3

Aripiprazole Related Compound B

CAS Number

889443-20-3

Aripiprazole USP Related Compound H

CAS Number

1796928-63-6

Aristolochic Acid Standard

CAS Number

313-67-7

Aristolochic Acid

Armodafinil Standard

CAS Number

112111-43-0

Armodafinil

Asciminib Keto Impurity

CAS Number

Asciminib

Asciminib Standard

CAS Number

1492952-76-7

Alternate CAS Number

2119669-71-3(HCl Salt)

Asciminib

Ascorbic Acid EP Impurity C

CAS Number

526-98-7(Freebase)

Alternate CAS Number

342385-52-8(hydrate salt)

Ascorbic acid

Ascorbic Acid EP Impurity D

CAS Number

3031-98-9

Ascorbic acid

Asenapine Deschloro Impurity

CAS Number

1449581-59-2

Asenapine Maleate N-Oxide Impurity

CAS Number

1367373-77-0

Asenapine Standard

CAS Number

65576-45-6

Alternate CAS Number

85650-56-2(Maleate Salt)

Asenapine Tetradehydro Impurity

CAS Number

129385-60-0

Aspartame EP Impurity - B

CAS Number

13433-09-5

Aspartame

Aspartame EP Impurity A

CAS Number

5262-10-2

Aspartame

Aspirin(Acetylsalicylic acid)

CAS Number

50-78-2

Aspirin(Acetylsalicylic Acid) EP Impurity A

CAS Number

99-96-7

Aspirin(Acetylsalicylic Acid) EP Impurity C

CAS Number

69-72-7

Aspirin(Acetylsalicylic Acid) EP Impurity D

CAS Number

530-75-6

Aspirin(Acetylsalicylic Acid) EP Impurity E

CAS Number

552-94-3

Aspirin(Acetylsalicylic Acid) EP Impurity F

CAS Number

1466-82-6

Aspirin(Acetylsalicylic acid) Standard

CAS Number

50-78-2

Atazanavir Impurity - 39

CAS Number

1191091-65-2

Atazanavir EP Impurity F

CAS Number

1332981-14-2

Atazanavir Impurity 6

CAS Number

1006868-81-0

Atazanavir Impurity J

CAS Number

198904-86-8

Atazanavir S,S,R,S-Diastereomer

CAS Number

1292296-10-6

Atazanavir Standard

CAS Number

198904-31-3(freebase)

Alternate CAS Number

198904-39-1 (HCl salt) ; 1643869-94-6 (HBr salt) ; 229975-97-7 (Sulfate salt)