Impurities

Diphenhydramine EP Impurity E

CAS Number

119-61-9

Diphenhydramine N-Oxide

CAS Number

3922-74-5

Alternate CAS Number

13168-00-8(HCl Salt)

N-Nitroso Desmethyl Diphenhydramine

CAS Number

55855-43-1

Brinzolamide Hydrochloride Standard

CAS Number

150937-43-2

Alternate CAS Number

138890-62-7(Freebase)

N-Desethyl Brinzolamide

CAS Number

2109554-77-8

4-Desethylamino 4-Oxobrinzolamide

CAS Number

154127-41-0

Brinzolamide Deschloro Impurity

CAS Number

1029324-91-1

Brinzolamide N-Ethanol Impurity

CAS Number

Brinzolamide Impurity 10

CAS Number

138890-58-1

Brinzolamide Impurity 11

CAS Number

2245358-54-5

Brinzolamide Impurity 12

CAS Number

171273-35-1

Carvedilol Phosphate Standard

CAS Number

374779-45-0

Alternate CAS Number

72956-09-3(Freebase)

Carvedilol EP Impurity A

CAS Number

1198090-73-1

Carvedilol EP Impurity B

CAS Number

918903-20-5

Carvedilol EP Impurity D

CAS Number

1391052-16-6

Carvedilol Impurity 10

CAS Number

53815-60-4

Glipizide Dimer Impurity Sodium Salt

CAS Number

Cephalexin EP Impurity B

CAS Number

22252-43-3

Alternate CAS Number

56871-82-0 (Na salt)

Delta-4-Cephalexin Diketopiperazine

CAS Number

65870-52-2

Alternate CAS Number

62673-90-9 (sodium salt)

(RS)-2-Phenylglycine

CAS Number

2835-06-5

Cefalexin R-Sulfoxide

CAS Number

52210-38-5

Cefalexin S-Sulfoxide

CAS Number

74708-55-7

Cephalexin EP Impurity C

CAS Number

72528-40-6

Cephalexin EP Impurity D

CAS Number

34876-35-2

Glipizide EP Impurity C

CAS Number

13554-93-3

Cephalexin EP Impurity E

CAS Number

146794-70-9

Cephalexin EP Impurity F

CAS Number

79750-46-2

Alternate CAS Number

NA(DiH2O Salt)

Glipizide EP Impurity D

CAS Number

1346600-54-1

Glipizide EP Impurity E

CAS Number

66375-96-0

Glipizide EP Impurity F

CAS Number

192118-08-4

Glipizide EP Impurity H

CAS Number

10080-05-4

Glipizide EP Impurity I

CAS Number

10079-35-3