sulphur and selenium compounds

Sulphur and selenium compounds play vital roles in biological systems, serving as components of amino acids, enzymes, and antioxidants.

Emtricitabine S-Oxide (Mixture of Diastereomers)

CAS Number

152128-77-3

Emtricitabine

Ethionamide for system suitability CRS

CAS Number

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

Ethionamide

Ethylenediamine p-Toluenesulfonate

CAS Number

14034-59-4

Clonidine

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

Famotidine

Flucloxacillin Standard

CAS Number

5250-39-5

Alternate CAS Number

1847-24-1 (Na salt)

Flucloxacillin

Flupentixol Standard

CAS Number

2709-56-0

Alternate CAS Number

2413-38-9(Dihydrochloride);2651211-34-4(HCl Salt)

Flupentixol

Fluphenazine Decanoate Impurity A

CAS Number

1674-76-6

Fluphenazine

Fulvestrant EP Impurity C

CAS Number

2482852-42-4

Fulvestrant

Fulvestrant Standard

CAS Number

129453-61-8

Fulvestrant

Glibenclamide Standard

CAS Number

10238-21-8

Glibenclamide

Glimepiride EP Impurity C

CAS Number

119018-30-3

Glimepiride

Glipizide EP Impurity A

CAS Number

33288-71-0

Alternate CAS Number

84522-34-9 (Na salt)

Glipizide

Glipizide EP Impurity C

CAS Number

13554-93-3

Glipizide

Glipizide EP Impurity D

CAS Number

1346600-54-1

Glipizide

Glipizide EP Impurity E

CAS Number

66375-96-0

Glipizide

Glipizide EP Impurity F

CAS Number

192118-08-4

Glipizide

Glipizide EP Impurity G

CAS Number

33288-74-3

Glipizide

Glipizide EP Impurity H

CAS Number

10080-05-4

Glipizide

Glipizide EP Impurity I

CAS Number

10079-35-3

Glipizide

Glipizide EP Impurity J

CAS Number

1076198-09-8

Glipizide

Glipizide Impurity 4

CAS Number

2468797-13-7

Glipizide

Glipizide Standard

CAS Number

29094-61-9

Alternate CAS Number

228111-78-2 (HCl salt) ; 88159-36-8 (Na salt)

Glipizide

Ketotifen Fumarate EP Impurity B

CAS Number

59743-88-3

Ketotifen

Ketotifen Fumarate EP Impurity C

CAS Number

126939-27-3

Ketotifen

Ketotifen Fumarate EP Impurity D

CAS Number

88456-70-6

Ketotifen

Ketotifen Fumarate EP Impurity E

CAS Number

1346603-71-1

Ketotifen

Ketotifen Fumarate EP Impurity F

CAS Number

34580-09-1

Ketotifen

Ketotifen Fumarate EP Impurity G

CAS Number

43076-16-0

Ketotifen

Ketotifen Fumarate Standard

CAS Number

34580-14-8

Alternate CAS Number

34580-13-7 (free base)

Ketotifen

Ketotifen Impurity 2

CAS Number

5570-77-4

Ketotifen

Ketotifen Standard

CAS Number

34580-13-7

Alternate CAS Number

34580-14-8(Fumarate salt)

Ketotifen

Lamivudine Standard

CAS Number

134678-17-4

Alternate CAS Number

173522-96-8(Salicylate Salt)

Lamivudine

Lapatinib Carboxylic Acid Impurity

CAS Number

1152131-73-1

Lapatinib

Lapatinib Impurity 1

CAS Number

1268997-70-1

Lapatinib

Levamisole hydrochloride Standard

CAS Number

16595-80-5

Alternate CAS Number

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

Levamisole

Levofloxacin Standard

CAS Number

100986-85-4

Alternate CAS Number

138199-71-0(Hemihydrate Salt)

Levofloxacin

Levomepromazine Maleate Standard

CAS Number

7104-38-3

Alternate CAS Number

60-99-1(Free Base);1236-99-3(HCl Salt)

Levomepromazine

Mesalazine EP Impurity F

CAS Number

570-23-0

Mesalazine

N-(4-Amino-3-hydroxyphenyl)methanesulfonamide

CAS Number

791005-56-6

Amsacrine

N-(5-chloro-1,3,4-thiadiazol-2-yl)acetamide

CAS Number

60320-32-3

Chemical Primary Standard

N-Nitroso Diltiazem

CAS Number

3036581-85-5

Diltiazem

N-Nitroso Diltiazem

CAS Number

3036581-85-5

Nitrosamine Impurities

N-Nitroso Timolol

CAS Number

Nitrosamine Impurities

Nimesulide EP Impurity C

CAS Number

2688-84-8

Nimesulide

Nizatidine Standard

CAS Number

76963-41-2

Nizatidine

o-Toluenesulfonamide

CAS Number

88-19-7

Chemical Primary Standard

Osimertinib Mesylate

CAS Number

1421373-66-1

Osimertinib

Penicillamine Impurity 1

CAS Number

22801-32-7

Penicillamine

sulphur and selenium compounds

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