Prazosin Impurity-A

CAS No: ​?23680-84-4?

Molecular Formula:​ C10H10ClN3O2

Molecular Weight: ​239.66

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Prazosin Impurity-B

CAS No: ​31350-27-3?

Molecular Formula:​ C14H14N2O4?

Molecular Weight: ​?274.27

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Pregabalin Impurity 1

CAS No: ​185815-56-9?

Molecular Formula:​ C11H16N2O4

Molecular Weight: ​236.27

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Pregabalin Lactam Impurity

CAS No: ​61312-87-6?

Molecular Formula:​ C8H15NO

Molecular Weight: ​141.21

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Pregabalin USP RC A

CAS No: ​148553-51-9?

Molecular Formula:​ C8H17NO2?

Molecular Weight: ​159.23?

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Progesterone Impurity 1

CAS No: ​16319-93-0

Molecular Formula:​ C25H36O4

Molecular Weight: ​?400.55

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Promethazine EP Impurity D

CAS No: ​7640-51-9?

Molecular Formula:​ C17H20N2OS?

Molecular Weight: ​300.42?

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Promethazine HCl

CAS No: ​58-33-3?

Molecular Formula:​ C17H21ClN2S

Molecular Weight: ​320.88

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Promethazine Impurity B

CAS No: ​5568-90-1?

Molecular Formula:​ C17H21ClN2S

Molecular Weight: ​320.88

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Propafenone EP Impurity A

CAS No: ​3516-95-8?

Molecular Formula:​ C15H14O2

Molecular Weight: ​226.27

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Propafenone EP Impurity B

CAS No: ​88308-22-9 (Z/E base) ; 1331636-87-

Molecular Formula:​ C21H25NO3

Molecular Weight: ​339.43

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Propafenone EP Impurity C

CAS No: ​22525-95-7?

Molecular Formula:​ C18H18O3?

Molecular Weight: ​?282.33?

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