CAS Number: 21388-17-0

Alternate CAS#:

Chemical Name: Naproxen EP Impurity J

Molecular Formula: C13H14O

Molecular Weight: 186.25

CAS Number: 23981-47-7

Alternate CAS#:

Chemical Name: Naproxen EP Impurity I

Molecular Formula: C13H12O3

Molecular Weight: 216.24

CAS Number: 5111-66-0

Alternate CAS#:

Chemical Name: Naproxen EP Impurity H

Molecular Formula: C11H10O2

Molecular Weight: 174.2

CAS Number: 23979-41-1

Alternate CAS#:

Chemical Name: Naproxen EP Impurity G (R-Naproxen)

Molecular Formula: C14H14O3

Molecular Weight: 230.26

CAS Number: 31220-35-6

Alternate CAS#:

Chemical Name: Naproxen EP Impurity F

Molecular Formula: C16H18O3

Molecular Weight: 258.32

CAS Number: 26159-35-3

Alternate CAS#:

Chemical Name: Naproxen EP Impurity E

Molecular Formula: C15H16O3

Molecular Weight: 244.29

CAS Number: 116883-62-6

Alternate CAS#:

Chemical Name: Naproxen EP Impurity D

Molecular Formula: C14H13IO3

Molecular Weight: 356.16

CAS Number: 84236-26-0

Alternate CAS#:

Chemical Name: Naproxen EP Impurity C (5-Bromo Naproxen)

Molecular Formula: C14H13BrO3

Molecular Weight: 309.16

CAS Number: 89617-86-7

Alternate CAS#:

Chemical Name: Naproxen EP Impurity B

Molecular Formula: C14H13ClO3

Molecular Weight: 264.71

CAS Number: 52079-10-4

Alternate CAS#:

Chemical Name: Naproxen EP Impurity A (O-Desmethyl Naproxen)

Molecular Formula: C13H12O3

Molecular Weight: 216.24

CAS Number: 22204-53-1

Alternate CAS#:

Chemical Name: Naproxen

Molecular Formula: C14H14O3

Molecular Weight: 230.27

CAS Number: 15299-99-7 (non-d)

Alternate CAS#:

Chemical Name: Napramide-d10

Molecular Formula: C17H11D10NO2

Molecular Weight: 281.42