Pharmaceutical Standards

Carvedilol Propanediol Impurity

CAS Number

123119-89-1

Carvedilol Impurity 4

CAS Number

72955-96-5

Carvedilol Impurity 14

CAS Number

1198090-71-9

Carvedilol Impurity 10

CAS Number

53815-60-4

Cephalexin Standard

CAS Number

15686-71-2

Alternate CAS Number

23325-78-2(Monohydrate Salt)

Cephalexin Monohydrate Standard

CAS Number

23325-78-2

Alternate CAS Number

15686-71-2(Freebase)

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)

Glipizide Impurity 4

CAS Number

2468797-13-7

Cephalexin Impurity 6

CAS Number

27255-72-7

Alternate CAS Number

34708-38-8 (potassium salt)

Glipizide EP Impurity J

CAS Number

1076198-09-8

(RS)-2-Phenylglycine

CAS Number

2835-06-5

Cefalexin R-Sulfoxide

CAS Number

52210-38-5

Cefalexin S-Sulfoxide

CAS Number

74708-55-7

Glipizide EP Impurity A

CAS Number

33288-71-0

Alternate CAS Number

84522-34-9 (Na salt)

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

Chlordiazepoxide Standard

CAS Number

58-25-3

Chlordiazepoxide EP Impurity A

CAS Number

963-39-3

Glipizide EP Impurity E

CAS Number

66375-96-0

Chlordiazepoxide EP Impurity B

CAS Number

5958-24-7

Alternate CAS Number

62299-17-6 (HCl salt)

Chlordiazepoxide EP Impurity C

CAS Number

719-59-5

Alternate CAS Number

403603-27-0 (HCl salt)

Glipizide EP Impurity F

CAS Number

192118-08-4

Glipizide EP Impurity G

CAS Number

33288-74-3

Glipizide EP Impurity H

CAS Number

10080-05-4

Glipizide EP Impurity I

CAS Number

10079-35-3