Popeye Biotechnology (Shenzhen) Co.,Ltd.

Entecavir Impurity

From: POPEYEBIO

Storage: 2-8`C

Attached HPLC, MNR, MS and COA

Only for laboratory

1、Entecavir

   Molecular Formula:C12H15N5O3

   Molecular Weight:277.29

   CAS No.:142217-69-4

2、Entecavir-15N-13C2

   Molecular Formula:C1013C2H15N415NO3

   Molecular Weight:280.26 

3、Entecavir Glucuronide

   Molecular Formula:C18H23N5O9

   Molecular Weight:453.41 

4、Entecavir Impurity ET-2

   Molecular Formula:C12H15N5O3

   Molecular Weight:277.29 

5、Entecavir Impurity A

   Molecular Formula:C12H15N5O4

   Molecular Weight:293.28

   CAS No.:N/A

6、(1R,3R,4R)- Entecavir

   Molecular Formula:C12H15N5O3

   Molecular Weight:277.29

   CAS No.:1367369-76-3

7、(1R,3R,4S)- Entecavir

   CAS No.:1367369-78-5

8、(1S,3R,4R)-Entecavir

   CAS No.:1367369-80-9

9、(1R,3S,4R)-ent-Entecavir

    Molecular Formula:C12H15N5O3

    Molecular Weight:277.29

    CAS No.:188399-46-4

10、(1S,3S,4S)-Entecavir

    CAS号:1367369-77-4

11、(1S,3S,4R)-Entecavir

    Molecular Formula:C12H15N5O3

    Molecular Weight:277.28

    CAS No.:1367369-79-6

12、(1R,3S,4S)-Entecavir

   Molecular Formula:C12H15N5O3

   Molecular Weight:277.29

   CAS No.:1367369-81-0

13、1'-epi-Entecavir (Impurity B)

   Molecular Formula:C12H15N5O3

   Molecular Weight:277.29

   CAS No.:N/A

14、3'-epi-Entecavir (Impurity C)

   Molecular Formula:C12H15N5O3

   Molecular Weight:277.29

15、4-Epimer Entecavir (Entecavir EP Impurity D)

    Molecular Formula:C12H15N5O3

    Molecular Weight:277.29

    CAS No.:1367369-80-9

16、Entecavir Impurity E

    Molecular Formula:C14H21N5O4Si

    Molecular Weight:351.44

    CAS No.:N/A

17、Entecavir EP Impurity E (8-Methoxy Entecavir)

    Molecular Formula:C13H17N5O4

    Molecular Weight:307.31

18、Entecavir Related Compound A (Impurity F)

    Molecular Formula:C27H31N5O2Si

    Molecular Weight:485.67

    CAS No.:649761-24-0

19、8-Hydroxy Entecavir

    Molecular Formula:C12H15N5O4

    Molecular Weight:293.28 

20、Dibenzyl Entecavir (3',5'-Di-O-Benzyl Entecavir)

    Molecular Formula:C26H27N5O3

    Molecular Weight:457.53

    CAS No.:142217-81-0 

21、Entecavir Monohydrate

    Molecular Formula:C12H15N5O3

    Molecular Weight:277.29

    CAS No.:209216-23-9

22、4-Dimethylsilyl Entecavir

    Molecular Formula:C14H21N5O3Si

    Molecular Weight:335.44

    CAS No.:870614-82-7

23、Entecavir Impurity 1

    Molecular Formula:C52H49N5O5

    Molecular Weight:824.00

    CAS No.:142217-78-5

24、Entecavir Impurity 2

    Molecular Formula:C52H47N5O5

    Molecular Weight:821.98

    CAS No.:142217-79-6

25、Entecavir Impurity 3

    Molecular Formula:C53H49N5O4

    Molecular Weight:820.01

    CAS No.:142217-80-9

26、Entecavir Impurity 4

    Molecular Formula:C33H33N5O3

    Molecular Weight:547.66 

27、Entecavir Impurity 5

    Molecular Formula:C21H20O2

    Molecular Weight:304.39

    CAS No.:84868-56-4

28、Entecavir  Impurity 6 (ent-Entecavir-di-O-benzyl Ether) 

    Molecular Formula:C26H27N5O3

    Molecular Weight:457.54

    CAS No.:1354695-82-1

29、Entecavir Impurity 7

    Molecular Formula:C21H27N5O3Si

    Molecular Weight:425.57 

30、Entecavir Impurity 8

    Molecular Formula:C52H49N5O5

    Molecular Weight:824.00 

31、Entecavir Impurity 9

    Molecular Formula:C52H49N5O5

    Molecular Weight:824.00 

32、Entecavir Impurity 10

    Molecular Formula:C52H49N5O5

    Molecular Weight:824.00 

33、Entecavir Impurity 11

    Molecular Formula:C52H49N5O5

    Molecular Weight:824.00 

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