Sitagliptin Acid Impurity

CAS No :

936630-57-8;1204818-19-8

Molecular Formula:

C10H10F3NO2.HCl

Molecular Weight:

?233.19

Chemical Name:

Sildenafil Impurity A ; Sildenafil USP RC A ; Sildenafil Isobutyl Analog ; 5-[2-Ethoxy-5-[(4-methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-(2-methylpropyl)-7H-pyrazolo[4,3-d]pyrimidin-7-one ;

Chemical Name:

Sildenafil Impurity A ; Sildenafil USP RC A ; Sildenafil Isobutyl Analog ; 5-[2-Ethoxy-5-[(4-methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-(2-methylpropyl)-7H-pyrazolo[4,3-d]pyrimidin-7-one ;

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Sitagliptin Impurity 1

CAS No: ​NA

Molecular Formula:​ C15H18F3NO4

Molecular Weight: ​333.3

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Sitagliptin EP Impurity A

CAS No: ​823817-58-9?

Molecular Formula:​ C16H15F6N5O

Molecular Weight: ​?407.32

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Sitagliptin EP Impurity C

CAS No: ​1345822-86-7?

Molecular Formula:​ C16H16F5N5O

Molecular Weight: ​389.33

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Sitagliptin Impurity E HCl (Sitagliptin S-Isomer HCl)

CAS No: ​?NA?

Molecular Formula:​ ?C16H15F6N5O. HCl?

Molecular Weight: ​407.32 36.46

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N-Boc-Sitagliptin

CAS No: ​486460-23-5?

Molecular Formula:​ C21H23F6N5O3

Molecular Weight: ​507.43

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Sitagliptin Ketoamide Impurity

CAS No: ​764667-65-4

Molecular Formula:​ C16H12F6N4O2?

Molecular Weight: ​406.28?

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Sitagliptin Impurity 9

CAS No: ​NA?

Molecular Formula:​ C15H17F3O3

Molecular Weight: ​302.29

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Sitagliptin Impurity 3

CAS No: ​NA?

Molecular Formula:​ C15H18F3NO4

Molecular Weight: ​333.3

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Sitagliptin EP Impurity B

CAS No: ​1345822-87-8?

Molecular Formula:​ C16H16F5N5O

Molecular Weight: ​389.33

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