Pharmaceutical Standards

3-Hydroxy-4-methoxybenzonitrile

CAS Number

52805-46-6

Clozapine EP Impurity A

CAS Number

50892-62-1

Clozapine EP Impurity B

CAS Number

263366-81-0

Clozapine EP Impurity C

CAS Number

6104-71-8

Clozapine EP Impurity D

CAS Number

65514-71-8

Clozapine Impurity 5

CAS Number

60091-87-4

N-Acetyl clozapine

CAS Number

1025951-76-1

1-Methylpiperazine

CAS Number

109-01-3

Alternate CAS Number

34352-59-5(DiHCl Salt)

N-Nitroso Clozapine

CAS Number

156632-03-0

N-Nitroso Clozapine EP Impurity A

CAS Number

90353-66-5

N-Nitroso Clozapine EP Impurity B (possibility 2)

CAS Number

Clozapine Nitroso EP Impurity C

CAS Number

Clozapine Nitroso EP Impurity C (TFA Salt)

CAS Number

Clozapine N-oxide

CAS Number

34233-69-7

N,N-Dinitroso Clozapine EP Impurity C

CAS Number

Clavulanate Standard

CAS Number

58001-44-8

Alternate CAS Number

61177-44-4(Lithium Salt);61177-45-5(Potassium Salt)

Clavulanate Potassium Standard

CAS Number

61177-45-5

Alternate CAS Number

58001-44-8(Freebase);61177-44-4(Lithium Salt)

Clavulanate Lithium Standard

CAS Number

61177-44-4

Alternate CAS Number

58001-44-8(Freebase);61177-45-5(Potassium Salt)

Clavulanate EP Impurity A

CAS Number

4744-51-8

(S)-1-Boc-3-Hydroxypiperidine

CAS Number

143900-44-1

Triphenylphosphine

CAS Number

603-35-0

Clavulanate EP Impurity B

CAS Number

96681-85-5

Alternate CAS Number

NA(Sodium - Salt)

Clavulanate EP Impurity C

CAS Number

86917-74-0

Clavulanate EP Impurity D

CAS Number

404839-11-8

Clavulanate EP Impurity H

CAS Number

75-64-9

Clavulanate EP Impurity E

CAS Number

1260617-10-4

Clavulanate EP Impurity F

CAS Number

1260857-16-6

Clavulanate EP Impurity G

CAS Number

374816-32-7

(R)-1-Boc-3-Hydroxypiperidine

CAS Number

143900-43-0

Clavulanate EP Impurity J

CAS Number

110-18-9

Alternate CAS Number

7677-21-6(DiHCl Salt)

Clavulanate EP Impurity K

CAS Number

107-45-9

Clavulanate EP Impurity L

CAS Number

4013-94-9

Clavulanate EP Impurity M

CAS Number

3033-62-3

Alternate CAS Number

103526-47-2(Dihydrochloride Salt)

N,N-Dimethylethylamine

CAS Number

598-56-1

Diphenylamine/ NDPhA Starting material

CAS Number

122-39-4

Nitrosamine Impurities

5-Chlorouracil

CAS Number

1820-81-1

Allantoin

CAS Number

97-59-6

Phthalimido amlodipine

CAS Number

88150-62-3

Dehydroepiandrosterone (DHEA)

CAS Number

53-43-0

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

CAS Number

60320-32-3

Epichlorohydrin (ECH)

CAS Number

106-89-8

5-Chloro-1,3,4-thiadiazol-2-amine

CAS Number

37566-40-8

2-Acetamido-5-chlorosulfonyl-1,3,4-thiadiazole

CAS Number

32873-57-7

4-Chlorophenothiazine

CAS Number

7369-69-9