Intermediates

Levonorgestrel Cyclization Impurity

CAS Number

Levonorgestrel EP Impurity A

CAS Number

1260525-53-8

Levonorgestrel EP Impurity B

CAS Number

19914-67-1

Levonorgestrel EP Impurity C

CAS Number

1337972-89-0

Levonorgestrel EP Impurity I

CAS Number

21508-50-9

Levonorgestrel EP Impurity K

CAS Number

793-55-5

Levonorgestrel EP Impurity L

CAS Number

21800-83-9

Levonorgestrel EP Impurity N

CAS Number

4222-96-2

Levonorgestrel EP Impurity O

CAS Number

155683-60-6

Levonorgestrel EP Impurity P

CAS Number

100021-05-4

Levonorgestrel EP Impurity Q

CAS Number

1038-28-4

Levonorgestrel EP Impurity R

CAS Number

2322-77-2

Levonorgestrel EP Impurity S

CAS Number

176254-10-7

Levonorgestrel EP Impurity T

CAS Number

14507-51-8

Levonorgestrel EP Impurity U

CAS Number

68-22-4

Levonorgestrel EP Impurity V

CAS Number

14009-70-2

Levonorgestrel Hydrogenation Impurity

CAS Number

Levonorgestrel Hydroxylation Impurity

CAS Number

51773-49-0

Levonorgestrel Impurity 2

CAS Number

Levonorgestrel Impurity 3

CAS Number

178737-52-5

Levonorgestrel Impurity 4

CAS Number

Levonorgestrel Impurity 5

CAS Number

Levonorgestrel Standard

CAS Number

797-63-7

Levothyroxine EP impurity C

CAS Number

51-24-1

Levothyroxine EP Impurity A

CAS Number

6893-02-3

Levothyroxine EP Impurity B

CAS Number

1628720-66-0

Levothyroxine EP Impurity D

CAS Number

67-30-1

Levothyroxine EP Impurity E

CAS Number

1041-01-6

Levothyroxine EP Impurity F

CAS Number

911661-90-0

Levothyroxine EP Impurity H

CAS Number

2055-97-2

Levothyroxine EP Impurity I

CAS Number

2016-06-0

Levothyroxine Standard

CAS Number

51-48-9

Alternate CAS Number

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

Lidocaine EP Impurity A

CAS Number

87-62-7(freebase)

Alternate CAS Number

21436-98-6(salt)

Lidocaine EP Impurity C

CAS Number

2198-53-0

Lidocaine EP Impurity D

CAS Number

7728-40-7

Alternate CAS Number

7729-94-4(HCl Salt)

Lidocaine EP Impurity E

CAS Number

745798-07-6

Alternate CAS Number

1135231-62-7(HCl Salt)

Lidocaine EP Impurity G

CAS Number

42459-30-3

Alternate CAS Number

35891-87-3(HCl Salt)

Lidocaine EP Impurity I

CAS Number

17289-53-1

Alternate CAS Number

17289-54-2(HCl Salt)

Lidocaine EP Impurity J

CAS Number

857570-37-7

Alternate CAS Number

1012864-23-1(HCl Salt)

Lidocaine EP Impurity K

CAS Number

74634-66-5

Alternate CAS Number

50295-20-0(HCl Salt)

Lidocaine Hydrochloride Standard

CAS Number

73-78-9

Lidocaine Standard

CAS Number

137-58-6