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.

Slide 1.GIF

Phentolamine Impurity-A

CAS Number

2724727-52-8

Alternate CAS Number

2724727-53-9(Oxalate Salt)

Slide 1.GIF

Phentolamine Impurity-C

CAS Number

61537-49-3

Slide 1.GIF

Phenytoin Impurity-D

CAS Number

5157-15-3

Slide 1.GIF

Pilocarpine Impurity-A

CAS Number

531-35-1

Alternate CAS Number

28958-85-2(HCl Salt)

Slide 1.GIF

Pilocarpine Impurity-B

CAS Number

28406-15-7

Alternate CAS Number

92598-79-3(Na Salt)

Slide 1.GIF

Pimobendan Impurity-A

CAS Number

2138391-23-6

Slide 1.GIF

Pimobendan Impurity-B

CAS Number

74149-74-9

slide.1

Levofloxacin Standard

CAS Number

100986-85-4

Alternate CAS Number

138199-71-0(Hemihydrate Salt)

Slide 1.GIF

Pimozide Impurity-C

CAS Number

2512213-29-3

Slide 1.GIF

Pimozide Impurity-D

CAS Number

2749415-55-0

Slide 1.GIF

Pioglitazone Impurity-B

CAS Number

136401-69-9;

Alternate CAS Number

144809-28-9 (E/Z mixture)

slide.1

Piperacillin Standard

CAS Number

61477-96-1

Alternate CAS Number

66258-76-2(Monohydrate); 59703-84-3(Na Salt)

slide.1

Praziquantel Standard

CAS Number

55268-74-1

slide_1

Prochlorperazine Standard

CAS Number

58-38-8

Alternate CAS Number

84-02-6 (Dimaleate Salt); 60-90-2 (HCl Salt); 51888-09-6 (Dimesylate salt) ;1257-78-9 (Edisylate salt)

Prochlorperazine

slide.1

Famotidine for system suitability CRS

CAS Number

Famotidine STD-76824-35-6: IMP-A-124646-10-2;88061-72-7(DiHCl Salt);76833-47-1(HCl Salt): IMP-B-89268-62-2: IMP-C-106433-44-7; 76824-17-4(HCl Salt): IMP-D-76824-16-3; 2469195-46-6(HCl Salt): IMP-F-107880-74-0: IMP-G-76823-97-7

slide.1

Levamisole hydrochloride Standard

CAS Number

16595-80-5

Alternate CAS Number

14769-73-4(Freebase);32093-35-9(Phosphate salt)

slide.1

Levothyroxine Standard

CAS Number

51-48-9

Alternate CAS Number

25416-65-3(Na Salt);55-03-8(Sodium Salt)

slide_1

Ketotifen Fumarate Standard

CAS Number

34580-14-8

Alternate CAS Number

34580-13-7 (free base)

slide_1

Ketotifen Standard

CAS Number

34580-13-7

Alternate CAS Number

34580-14-8(Fumarate salt)

slide.1

Josamycin Standard

CAS Number

16846-24-5

slide.1

Imidacloprid Standard

CAS Number

138261-41-3

slide.1

Haloperidol decanoate Standard

CAS Number

74050-97-8

slide.1

Homatropine Hydrobromide Standard

CAS Number

51-56-9

Alternate CAS Number

87-00-3(Freebase)

slide.1

Homatropine methylbromide Standard

CAS Number

80-49-9

slide.1

Homatropine Standard

CAS Number

87-00-3

Alternate CAS Number

51-56-9(HBr Salt)

Slide 1.GIF

Regorafenib FP Impurity-A

CAS Number

2514957-39-0

Slide 1.GIF

Regorafenib Impurity-C

CAS Number

1855006-12-0

Slide 1.GIF

Regorafenib Impurity-D

CAS Number

2438857-80-6

Slide 1.GIF

Riboflavin Impurity-D

CAS Number

52134-62-0

Slide 1.GIF

Riboflavin Impurity-C

CAS Number

2535-20-8

Slide 1.GIF

Rilmenidine EP Impurity-C

CAS Number

NA

slide.1

Mebendazole Standard

CAS Number

31431-39-7

slide_1

Gefitinib Standard

CAS Number

184475-35-2

slide.1

Fipronil Standard

CAS Number

120068-37-3

slide_1

Etoposide Standard

CAS Number

33419-42-0

slide_1

Ethionamide for system suitability CRS

CAS Number

Ethionamide STD - 536-33-4 : IMP -A -2196-13-6

slide_1

Ethionamide Standard

CAS Number

536-33-4

slide.1

Flucytosine Standard

CAS Number

2022-85-7

slide.1

Fluconazole Standard

CAS Number

86386-73-4

slide.1

Flubendazole Standard

CAS Number

31430-15-6

slide.1

Flucloxacillin Standard

CAS Number

5250-39-5

Alternate CAS Number

1847-24-1 (Na salt)

Slide_1

Buflomedil Hydrochloride Standard

CAS Number

35543-24-9

slide.1

Albendazole Standard

CAS Number

54965-21-8

slide.1

Almotriptan Standard

CAS Number

154323-57-6

Alternate CAS Number

181183-52-8(Malate Salt);1318723-17-9(HBr Salt);1318723-15-7(Sulphate Salt)

slide.1

Flunarizine Standard

CAS Number

52468-60-7

Alternate CAS Number

30484-77-6(DiHCl Salt)

slide.1

Econazole Standard

CAS Number

27220-47-9

Alternate CAS Number

24169-02-6(Nitrate Salt)

slide-1

Carvedilol Standard

CAS Number

72956-09-3

slide_1

Minoxidil Standard

CAS Number

38304-91-5