Impurities

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 Hydroxylation Impurity

CAS Number

51773-49-0

Levonorgestrel Impurity 2

CAS Number

Levonorgestrel Impurity 3

CAS Number

178737-52-5

Levonorgestrel Impurity 6

CAS Number

1619245-66-7

Levothyroxine EP impurity C

CAS Number

51-24-1

Levothyroxine EP Impurity A

CAS Number

6893-02-3

Levothyroxine EP Impurity D

CAS Number

67-30-1

Levothyroxine EP Impurity H

CAS Number

2055-97-2

Levothyroxine EP Impurity I

CAS Number

2016-06-0

Lidocaine EP Impurity A

CAS Number

87-62-7(freebase)

Alternate CAS Number

21436-98-6(salt)

Lidocaine EP Impurity D

CAS Number

7728-40-7

Alternate CAS Number

7729-94-4(HCl Salt)

Lidocaine EP Impurity F

CAS Number

142713-08-4

Alternate CAS Number

857170-72-0(HCl Salt)

Lidocaine EP Impurity K

CAS Number

74634-66-5

Alternate CAS Number

50295-20-0(HCl Salt)

Linagliptin EP Impurity A

CAS Number

668270-11-9

Linagliptin

Lincomycin hydrochloride Standard

CAS Number

859-18-7

Alternate CAS Number

7179-49-9(Monohydrate Salt);154-21-2(Freebase)

Lincomycin

Lincomycin Standard

CAS Number

154-21-2

Alternate CAS Number

859-18-7(HCl Salt); 7179-49-9(Monohydrate Salt)

Lincomycin

Lisinopril (8R,S)-Diketopiperazine (Mixture of Diastereomers)

CAS Number

1092813-99-4

Lisinopril Dihydrate Impurity J

CAS Number

Lisinopril Enantiomer

CAS Number

2743427-41-8

Lisinopril EP Impurity C

CAS Number

328385-86-0

Lisinopril EP Impurity D

CAS Number

219677-82-4

Lisinopril EP Impurity E

CAS Number

85955-59-5(freebase)

Alternate CAS Number

1356019-70-9(Na Salt)

Lisinopril EP Impurity F

CAS Number

1132650-67-9

Lisinopril EP Impurity H

CAS Number

138247-43-5

Lisinopril EP impurity I

CAS Number

927819-64-5

Lisinopril EP Impurity J

CAS Number

2566937-60-6

Lisinopril Impurity 16

CAS Number

Lisinopril Impurity 3

CAS Number

Lisinopril Impurity 7

CAS Number

116169-90-5

Lisinopril Impurity 9

CAS Number

1428117-83-2

Lisinopril Nitroso Impurity

CAS Number

519175-80-5

Nitrosamine Impurities

Lisinopril RRS-Diastereomer

CAS Number

Lisinopril RSR-Diastereomer

CAS Number

Lisinopril SRR-Diastereomer

CAS Number

Lisinopril SSR-Diastereomer

CAS Number

Lorazepam Chloro Impurity

CAS Number

14405-03-9

Lorazepam EP Impurity A

CAS Number

2958-36-3

Lorazepam EP Impurity B

CAS Number

2848-96-6

Lorazepam EP Impurity C

CAS Number

2955-37-5

Lorazepam EP Impurity D

CAS Number

54699-91-1

Lorazepam EP Impurity E

CAS Number

93955-15-8

Lorazepam USP Related Compound E

CAS Number

773871-49-1