Naproxen

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Pharmaceutical Reference Standards

Naproxen

CAT. No.	CP-N2000
CAS. No.	22204-53-1
Mol. F.	C14H14O3
Mol. Wt.	230.30
Stock Status:	Custom Synthesis

Rel. Cas No: 57351-39-0 (K salt)

Naproxen EP Impurity A

CAT. No.	CP-N2001
CAS. No.	52079-10-4
Mol. F.	C13H12O3
Mol. Wt.	216.24
Stock Status:	In Stock

Naproxen EP Impurity B

CAT. No.	CP-N2002
CAS. No.	89617-86-7
Mol. F.	C14H13ClO3
Mol. Wt.	264.70
Stock Status:	Custom Synthesis

Naproxen EP Impurity C

CAT. No.	CP-N2003
CAS. No.	84236-26-0
Mol. F.	C14H13BrO3
Mol. Wt.	309.16
Stock Status:	In Stock

Naproxen EP Impurity D

CAT. No.	CP-N2004
CAS. No.	116883-62-6
Mol. F.	C14H13IO3
Mol. Wt.	356.16
Stock Status:	Custom Synthesis

Naproxen EP Impurity E

CAT. No.	CP-N2005
CAS. No.	26159-35-3
Mol. F.	C15H16O3
Mol. Wt.	244.29
Stock Status:	In Stock

Naproxen EP Impurity F

CAT. No.	CP-N2006
CAS. No.	31220-35-6
Mol. F.	C16H18O3
Mol. Wt.	258.32
Stock Status:	In Stock

Naproxen EP Impurity G

CAT. No.	CP-N2007
CAS. No.	23979-41-1
Mol. F.	C14H14O3
Mol. Wt.	230.26
Stock Status:	Custom Synthesis

Naproxen EP Impurity H

CAT. No.	CP-N2008
CAS. No.	5111-66-0
Mol. F.	C11H10O2
Mol. Wt.	174.20
Stock Status:	In Stock

Naproxen EP Impurity I

CAT. No.	CP-N2009
CAS. No.	23981-47-7
Mol. F.	C13H12O3
Mol. Wt.	216.24
Stock Status:	In Stock

Naproxen EP Impurity J

CAT. No.	CP-N2010
CAS. No.	21388-17-0
Mol. F.	C13H14O
Mol. Wt.	186.25
Stock Status:	In Stock

Naproxen EP Impurity K

CAT. No.	CP-N2011
CAS. No.	77301-42-9
Mol. F.	C13H14O2
Mol. Wt.	202.25
Stock Status:	In Stock

Naproxen EP Impurity L

CAT. No.	CP-N2012
CAS. No.	3900-45-6
Mol. F.	C13H12O2
Mol. Wt.	200.24
Stock Status:	In Stock

Naproxen EP Impurity M

CAT. No.	CP-N2013
CAS. No.	93-04-9
Mol. F.	C11H10O
Mol. Wt.	158.20
Stock Status:	In Stock

Naproxen EP Impurity N

CAT. No.	CP-N2014
CAS. No.	5111-65-9
Mol. F.	C11H9BrO
Mol. Wt.	237.10
Stock Status:	In Stock

Naproxen EP Impurity O

CAT. No.	CP-N2015
CAS. No.	2471-70-7
Mol. F.	C12H10O3
Mol. Wt.	202.21
Stock Status:	In Stock

Naproxen Impurity 1

CAT. No.	CP-N2016
CAS. No.	10441-46-0
Mol. F.	C12H10O3
Mol. Wt.	202.21
Stock Status:	Custom Synthesis

Naproxen Nitrile Impurity

CAT. No.	CP-N2017
CAS. No.	67886-70-8
Mol. F.	C12H9NO
Mol. Wt.	183.21
Stock Status:	Custom Synthesis

Naproxen racemate

CAT. No.	CP-N2018
CAS. No.	23981-80-8
Mol. F.	C14H14O3
Mol. Wt.	230.26
Stock Status:	Custom Synthesis

Alpha-Hydroxy

CAT. No.	CP-N2019
CAS. No.	32721-11-2
Mol. F.	C14H14O4
Mol. Wt.	246.3
Stock Status:	Custom Synthesis

Naproxen Dehydro Impurity

CAT. No.	CP-N2020
CAS. No.	27602-79-5
Mol. F.	C14H12O3
Mol. Wt.	228.25
Stock Status:	Custom Synthesis

Desmethyl Naproxen

CAT. No.	CP-N2021
CAS. No.	60756-73-2
Mol. F.	C13H12O3
Mol. Wt.	216.24
Stock Status:	Custom Synthesis

Naproxen sodium

CAT. No.	CP-N2022
CAS. No.	26159-34-2
Mol. F.	C14H13O3 : Na
Mol. Wt.	229.3 : 23.0
Stock Status:	In Stock

Rel. Cas No: 22204-53-1 (free base) ; 57351-39-0 (K salt)

Naproxen Lactic acid Ester

CAT. No.	CP-N2023
CAS. No.	140225-89-4
Mol. F.	C17H18O5
Mol. Wt.	302.33
Stock Status:	Custom Synthesis

Naproxen Glycerol Ester Impurity

CAT. No.	CP-N2024
CAS. No.	38835-17-5
Mol. F.	C17H20O5
Mol. Wt.	304.34
Stock Status:	Custom Synthesis

Naproxen Amino Butyl Ester

CAT. No.	CP-N2025
CAS. No.	NA
Mol. F.	C18H23NO3
Mol. Wt.	301.39
Stock Status:	Custom Synthesis

1-Acetyl-2-methoxynaphthalene

CAT. No.	CP-N2026
CAS. No.	5672-94-6
Mol. F.	C13H12O2
Mol. Wt.	200.24
Stock Status:	Custom Synthesis

Sec-Butyl Chloroacetate

CAT. No.	CP-N2027
CAS. No.	17696-64-9
Mol. F.	C6H11ClO2
Mol. Wt.	150.6
Stock Status:	Custom Synthesis

Naproxenal

CAT. No.	CP-N2028
CAS. No.	27602-75-1
Mol. F.	C14H14O2
Mol. Wt.	214.3
Stock Status:	Custom Synthesis

Rac-5-Bromo Naproxen

CAT. No.	CP-N2029
CAS. No.	27655-95-4
Mol. F.	C14H13BrO3
Mol. Wt.	309.2
Stock Status:	Custom Synthesis

Rel. Cas No: 89586-52-7 (Na salt)

Naproxen Impurity 3

CAT. No.	CP-N2030
CAS. No.	3453-55-2
Mol. F.	C13H12O2
Mol. Wt.	200.2
Stock Status:	Custom Synthesis

Naproxen Impurity 4

CAT. No.	CP-N2031
CAS. No.	17056-94-9
Mol. F.	C13H12O2
Mol. Wt.	200.2
Stock Status:	Custom Synthesis

Naproxen Impurity 5

CAT. No.	CP-N2032
CAS. No.	358369-77-4
Mol. F.	C20H26O8
Mol. Wt.	394.4
Stock Status:	Custom Synthesis

Naproxen Butanolamide

CAT. No.	CP-N2033
CAS. No.	2058179-15-8
Mol. F.	C18H23NO3
Mol. Wt.	301.4
Stock Status:	Custom Synthesis

Naproxen Impurity 9

CAT. No.	CP-N2034
CAS. No.	2601735-81-1
Mol. F.	C18H22O4
Mol. Wt.	302.4
Stock Status:	Custom Synthesis

Naproxen Impurity 10

CAT. No.	CP-N2035
CAS. No.	939-26-4
Mol. F.	C11H9Br
Mol. Wt.	221.1
Stock Status:	Custom Synthesis

Naproxen Isopropyl Ester

CAT. No.	CP-N2036
CAS. No.	156967-24-7
Mol. F.	C17H20O3
Mol. Wt.	272.3
Stock Status:	Custom Synthesis

(S)-(+)-Naproxen

CAT. No.	CP-N2037
CAS. No.	51091-84-0
Mol. F.	C14H13ClO2
Mol. Wt.	248.7
Stock Status:	Custom Synthesis

Naproxen Impurity 11

CAT. No.	CP-N2038
CAS. No.	116883-61-5
Mol. F.	C14H13IO3
Mol. Wt.	356.16
Stock Status:	Custom Synthesis

Naproxen Impurity 7

CAT. No.	CP-N2040
CAS. No.	27602-76-2
Mol. F.	C14H15NO2
Mol. Wt.	229.28
Stock Status:	Custom Synthesis

rac-Naproxen 2-Propyl Ester

CAT. No.	CP-N2042
CAS. No.	68641-85-0
Mol. F.	C17H20O3
Mol. Wt.	272.34
Stock Status:	Custom Synthesis

(R)-O-Desmethyl Naproxen

CAT. No.	CP-N2043
CAS. No.	123050-98-6
Mol. F.	C13H12O3
Mol. Wt.	216.24
Stock Status:	Custom Synthesis

Naproxen Acyl Glucuronide

CAT. No.	CP-N2044
CAS. No.	41945-43-1
Mol. F.	C20H22O9
Mol. Wt.	406.39
Stock Status:	Custom Synthesis

Naproxen Impurity 16

CAT. No.	CP-N2045
CAS. No.	NA
Mol. F.	C18H21O4 : Na
Mol. Wt.	301.36 : 23.0
Stock Status:	Custom Synthesis

a b c d e f g h i j k l m n o p q r s t u v w x y z

Naproxen

Pharmaceutical Reference Standards

Naproxen

Naproxen EP Impurity A

Naproxen EP Impurity B

Naproxen EP Impurity C

Naproxen EP Impurity D

Naproxen EP Impurity E

Naproxen EP Impurity F

Naproxen EP Impurity G

Naproxen EP Impurity H

Naproxen EP Impurity I

Naproxen EP Impurity J

Naproxen EP Impurity K

Naproxen EP Impurity L

Naproxen EP Impurity M

Naproxen EP Impurity N

Naproxen EP Impurity O

Naproxen Impurity 1

Naproxen Nitrile Impurity

Naproxen racemate

Alpha-Hydroxy

Naproxen Dehydro Impurity

Desmethyl Naproxen

Naproxen sodium

Naproxen Lactic acid Ester

Naproxen Glycerol Ester Impurity

Naproxen Amino Butyl Ester

1-Acetyl-2-methoxynaphthalene

Sec-Butyl Chloroacetate

Naproxenal

Rac-5-Bromo Naproxen

Naproxen Impurity 3

Naproxen Impurity 4

Naproxen Impurity 5

Naproxen Butanolamide

Naproxen Impurity 9

Naproxen Impurity 10

Naproxen Isopropyl Ester

(S)-(+)-Naproxen

Naproxen Impurity 11

Naproxen Impurity 7

rac-Naproxen 2-Propyl Ester

(R)-O-Desmethyl Naproxen

Naproxen Acyl Glucuronide

Naproxen Impurity 16