Heterocycles

Heterocyclic compound is a major class of organic chemical compounds characterized by some or all of the atoms in their molecules are joined in rings containing atleast one atom of an element other than carbon.

Atorvastatin Impurity 42

CAS Number

54016-70-5

Alternate CAS Number

45892-42-0 (free base)

Atorvastatin

Apixaban Chloro Amine Impurity

CAS Number

1801881-15-1

Apixaban

Apixaban Impurity 92 (N-1)

CAS Number

200064-45-5

Apixaban

Apixaban Impurity 92 (N-2)

CAS Number

200064-28-4

Apixaban

Apixaban Impurity 5

CAS Number

1801881-20-8

Apixaban

Apixaban Ethyl Ester Desmethoxy Impurity

CAS Number

1801881-21-9

Apixaban

Acalabrutinib Intermediate 5

CAS Number

Acalabrutinib

Ethyl 5-methoxy-1H-indazole-3-carboxylate

CAS Number

865887-16-7

Apixaban

2-Ethoxy-1-methoxy-4-(2-(methylsulfonyl)ethyl)benzene

CAS Number

2489621-73-8

Apremilast

1-(3-ethoxy-4-methoxyphenyl)-2-((2-hydroxyethyl)sulfonyl)ethanone

CAS Number

Apremilast

Aprepitant Nitroso Impurity 4

CAS Number

77817-40-4

Aprepitant

Nitrosamine Impurities

Aprepitant EP Impurity A

CAS Number

170729-76-7

Aprepitant

Vince Lactam

CAS Number

49805-30-3

Abacavir

Asenapine Standard

CAS Number

65576-45-6

Alternate CAS Number

85650-56-2(Maleate Salt)

Asenapine

(1S,4R)-2-Aza-bicyclo[2.2.1]hept-5-en-3-one

CAS Number

130931-83-8

Abacavir

Asenapine Deschloro Impurity

CAS Number

1449581-59-2

Asenapine

Axitinib dimer Impurity 2

CAS Number

1428728-83-9

Axitinib

Azilsartan Dimer Impurity

CAS Number

1417576-02-3

Azilsartan

Azilsartan Medoxomil Monopotassium

CAS Number

863031-24-7

Alternate CAS Number

863031-21-4(Freebase)

Azilsartan

(4-(1-(1-Ethoxyethyl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl pivalate

CAS Number

1146629-76-6

Baricitinib

Baricitinib Impurity 30

CAS Number

2102104-37-8

Baricitinib

Citalopram Carboxylic Acid Impurity

CAS Number

440121-09-5

Citalopram

Citalopram Related Compound II

CAS Number

488787-59-3

Citalopram

Alogliptin Standards

CAS Number

850649-61-5 (free base)

Alternate CAS Number

850649-62-6(Benzoate salt)

Alogliptin

Anastrozole EP Impurity A

CAS Number

1215780-15-6

Anastrozole

Anastrozole EP Impurity B

CAS Number

1216898-82-6

Anastrozole

2-Amino-4,6-dichloro-5-formamidopyrimidine

CAS Number

171887-03-9

Abacavir

Amtolmetin Guacil Standard

CAS Number

87344-06-7

Amtolmetin Guacil

Alogliptin 6-Chloro Impurity

CAS Number

865758-96-9

Alogliptin

Amtolmetin Guacil Impurity 1

CAS Number

87344-05-6

Amtolmetin Guacil

9,9'-Oxydiacridine

CAS Number

95256-37-4

Amsacrine

Alogliptin Nitroso Amine Impurity

CAS Number

Alogliptin

Amisulpride EP Impurity B

CAS Number

148516-54-5

Amisulpride

N-(2-Methoxy-5-nitrophenyl)acetamide

CAS Number

33721-54-9

Amsacrine

9-Chloroacridine Hydrochloride

CAS Number

19255-74-4

Amsacrine

N-Nitroso Alogliptin Impurity A

CAS Number

Alogliptin

Amodiaquine Standard

CAS Number

86-42-0

Alternate CAS Number

69-44-3(DiHCl Salt);6398-98-7(DiHCl Dihydrate)

Amodiaquine

Amlodipine EP Impurity I

CAS Number

2923811-73-6

Amlodipine

7-Benzoyl-1H-indole-2,3-dione

CAS Number

70803-94-0

Amfenac

Amlodipine EP Impurity D (Oxalate Salt)

CAS Number

1216406-90-4

Alternate CAS Number

2414962-06-2(HCl Salt);113994-41-5(Freebase);2138811-33-1(Fumarate Salt);NA(Mesilate Salt);2733700-89-3(besylate salt)

Amlodipine

Amisulpride EP Impurity D

CAS Number

71676-00-1

Amisulpride

Amisulpride EP Impurity F

CAS Number

71676-01-2

Amisulpride

Acotiamide Amide Ester Impurity

CAS Number

185105-98-0

Acotiamide

8-Bromoacyclovir

CAS Number

81475-44-7

Acyclovir

Clonixin Standard

CAS Number

17737-65-4

Alternate CAS Number

55837-30-4(Lysine Salt)

Clonixin

Closantel Standard

CAS Number

57808-65-8

Alternate CAS Number

61438-64-0(Na Dihydrate Salt)

Closantel

Closantel EP Impurity C

CAS Number

2512219-95-1

Closantel

Closantel EP Impurity H

CAS Number

2514666-07-8

Closantel

Heterocycles

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