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Duloxetine Related Products


SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Duloxetine, pharmacopeial and non-pharmacopeial Duloxetine impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Duloxetine impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Duloxetine-related products are thoroughly characterized. Duloxetine products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

Pharmaceutical Reference Standards

(S)-Duloxetine Phthalamide

Picture of (S)-Duloxetine Phthalamide
SZ CAT No:: SZ-D001017
CAS No: 199191-67-8
Mol.F.: C26H23NO4S
Mol.Wt.: 445.5
Inv. Status: In Stock

1-Naphthylamine

Picture of 1-Naphthylamine
SZ CAT No:: SZ-D001035
CAS No: 134-32-7
Mol.F.: C10H9N
Mol.Wt.: 143.2
Inv. Status: In Stock

Duloxetine Alcohol

Picture of Duloxetine Alcohol
SZ CAT No:: SZ-D001028
CAS No: 116539-57-2
Mol.F.: C8H13NOS
Mol.Wt.: 171.3
Inv. Status: In Stock

Duloxetine EP Impurity A

Picture of Duloxetine EP Impurity A
SZ CAT No:: SZ-D001002
CAS No: 910138-96-4
Mol.F.: C18H19NOS : HCl
Mol.Wt.: 297.4 : 36.5
Inv. Status: In Stock
Rel. CAS No: 116539-60-7 (free base)

Duloxetine EP Impurity B

Picture of Duloxetine EP Impurity B
SZ CAT No:: SZ-D001003
CAS No: 116539-55-0
Mol.F.: C8H13NOS
Mol.Wt.: 171.3
Inv. Status: In Stock

Duloxetine EP Impurity C

Picture of Duloxetine EP Impurity C
SZ CAT No:: SZ-D001004
CAS No: 949095-98-1
Mol.F.: C18H19NOS
Mol.Wt.: 297.4
Inv. Status: In Stock
Rel. CAS No: 953028-76-7 (HCl salt) ; 949096-01-9 (HBr salt)

Duloxetine EP Impurity D

Picture of Duloxetine EP Impurity D
SZ CAT No:: SZ-D001005
CAS No: 90-15-3
Mol.F.: C10H8O
Mol.Wt.: 144.2
Inv. Status: In Stock

Duloxetine EP Impurity E

Picture of Duloxetine EP Impurity E
SZ CAT No:: SZ-D001006
CAS No: 1033803-59-6
Mol.F.: C18H19NOS
Mol.Wt.: 297.4
Inv. Status: In Stock

Duloxetine EP Impurity F (HCl salt)

Picture of Duloxetine EP Impurity F (HCl salt)
SZ CAT No:: SZ-D001031
CAS No: 2748376-86-3
Mol.F.: C18H19NOS : HCl
Mol.Wt.: 297.4 : 36.5
Inv. Status: In Stock
Rel. CAS No: 959392-22-4 (free base)
Rel. CAT No: SZ-D001007 ,

Duloxetine EP Impurity F (oxalate salt)

Picture of Duloxetine EP Impurity F (oxalate salt)
SZ CAT No:: SZ-D001007
CAS No: 2379325-42-3
Mol.F.: C18H19NOS : C2H2O4
Mol.Wt.: 297.4 : 90.0
Inv. Status: In Stock
Rel. CAS No: 959392-22-4 (free base)
Rel. CAT No: SZ-D001031 ,

Duloxetine EP Impurity G

Picture of Duloxetine EP Impurity G
SZ CAT No:: SZ-D001008
CAS No: 321-38-0
Mol.F.: C10H7F
Mol.Wt.: 146.2
Inv. Status: In Stock

Duloxetine Hydrochloride

Picture of Duloxetine Hydrochloride
SZ CAT No:: SZ-D001001
CAS No: 136434-34-9
Mol.F.: C18H19NOS : HCl
Mol.Wt.: 297.4 : 36.5
Inv. Status: In Stock
Rel. CAS No: 116539-59-4 (free base) ; 116817-77-7 (Oxalate salt) ; 116817-86-8 (Maleate salt) ; 1106772-41-1 (HBr salt)

Duloxetine impurity 10

Picture of Duloxetine impurity 10
SZ CAT No:: SZ-D001033
CAS No: 13196-35-5
Mol.F.: C9H13NOS
Mol.Wt.: 183.3
Inv. Status: In Stock

Duloxetine Impurity 11

Picture of Duloxetine Impurity 11
SZ CAT No:: SZ-D001036
CAS No: 603996-87-8
Mol.F.: C8H11NO2S
Mol.Wt.: 185.2
Inv. Status: In Stock

Duloxetine Impurity 13

Picture of Duloxetine Impurity 13
SZ CAT No:: SZ-D001038
CAS No: 116817-12-0
Mol.F.: C19H21NOS : C2H2O4
Mol.Wt.: 311.4 : 90.0
Inv. Status: In Stock
Rel. CAS No: 116817-11-9 (free base)

Duloxetine Impurity 18

Picture of Duloxetine Impurity 18
SZ CAT No:: SZ-D001043
CAS No: 116539-56-1
Mol.F.: C8H13NOS
Mol.Wt.: 171.3
Inv. Status: In Stock

Duloxetine Impurity 21

Picture of Duloxetine Impurity 21
SZ CAT No:: SZ-D001048
CAS No: 13636-02-7
Mol.F.: C9H15NOS
Mol.Wt.: 185.3
Inv. Status: In Stock

Duloxetine Impurity 26

Picture of Duloxetine Impurity 26
SZ CAT No:: SZ-D001055
CAS No: 1384080-56-1
Mol.F.: C9H15NOS
Mol.Wt.: 185.3
Inv. Status: In Stock

Duloxetine Impurity 4

Picture of Duloxetine Impurity 4
SZ CAT No:: SZ-D001026
CAS No: 2230525-40-1
Mol.F.: C8H13NOS
Mol.Wt.: 171.3
Inv. Status: In Stock

Duloxetine Impurity 8

Picture of Duloxetine Impurity 8
SZ CAT No:: SZ-D001030
CAS No: NA
Mol.F.: C10H17NOS
Mol.Wt.: 199.3
Inv. Status: In Stock

Duloxetine N-Methyl 3-Thiophene Isomer

Picture of Duloxetine N-Methyl 3-Thiophene Isomer
SZ CAT No:: SZ-D001014
CAS No: 1384080-34-5
Mol.F.: C19H21NOS : C2H2O4
Mol.Wt.: 311.4 : 90.0
Inv. Status: In Stock
Rel. CAS No: 1384080-33-4 (free base)

Duloxetine Phenyl Carbamate

Picture of Duloxetine Phenyl Carbamate
SZ CAT No:: SZ-D001032
CAS No: 947686-09-1
Mol.F.: C25H23NO3S
Mol.Wt.: 417.5
Inv. Status: In Stock

Duloxetine R-Hydroxy Impurity

Picture of Duloxetine R-Hydroxy Impurity
SZ CAT No:: SZ-D001034
CAS No: 132335-49-0
Mol.F.: C9H15NOS
Mol.Wt.: 185.3
Inv. Status: In Stock

Duloxetine S-Hydroxy Impurity

Picture of Duloxetine S-Hydroxy Impurity
SZ CAT No:: SZ-D001010
CAS No: 132335-44-5
Mol.F.: C9H15NOS 
Mol.Wt.: 185.3
Inv. Status: In Stock

Duloxetine USP Related Compound H

Picture of Duloxetine USP Related Compound H
SZ CAT No:: SZ-D001009
CAS No: 199191-66-7
Mol.F.: C22H23NO4S
Mol.Wt.: 397.5
Inv. Status: In Stock

N-(Acetyl) Duloxetine

Picture of N-(Acetyl) Duloxetine
SZ CAT No:: SZ-D001022
CAS No: 1243540-90-0
Mol.F.: C20H21NO2S 
Mol.Wt.: 339.5
Inv. Status: In Stock

N-Methyl Duloxetine Oxalate

Picture of N-Methyl Duloxetine Oxalate
SZ CAT No:: SZ-D001025
CAS No: 132335-47-8
Mol.F.: C19H21NOS : C2H2O4 
Mol.Wt.: 311.5 : 90.0
Inv. Status: In Stock
Rel. CAS No: 132335-46-7 (free base) ; 1492053-96-9 (HCl salt)
Rel. CAT No: SZ-D001054 ,

Rac-Duloxetine HCl

Picture of Rac-Duloxetine HCl
SZ CAT No:: SZ-D001067
CAS No: 947316-47-4
Mol.F.: C18H19NOS : HCl
Mol.Wt.: 297.4 : 36.5
Inv. Status: In Stock
Rel. CAS No: 116817-13-1 (free base) ; 116817-14-2 (oxalate salt)
Rel. CAT No: SZ-D001039 ,

Rac-Duloxetine Oxalate

Picture of Rac-Duloxetine Oxalate
SZ CAT No:: SZ-D001039
CAS No: 116817-14-2
Mol.F.: C18H19NOS : C2H2O4
Mol.Wt.: 297.4 : 90.0
Inv. Status: In Stock
Rel. CAS No: 116817-13-1 (free base) ; 947316-47-4 (HCl salt)
Rel. CAT No: SZ-D001067 ,

Duloxetine 2-Naphthalenol Impurity

Picture of Duloxetine 2-Naphthalenol Impurity
SZ CAT No:: SZ-D001016
CAS No: 1346599-09-4
Mol.F.: C18H19NOS
Mol.Wt.: 297.4
Inv. Status: Out of Stock

4-Hydroxy Duloxetine Acetate

Picture of 4-Hydroxy Duloxetine Acetate
SZ CAT No:: SZ-D001020
CAS No: 2705426-23-7
Mol.F.: C18H19NO2S : C2H4O2 
Mol.Wt.: 313.4 : 60.1
Inv. Status: Custom Synthesis
Rel. CAS No: 662149-13-5 (free base)

4-Hydroxy Duloxetine β-D-Glucuronide

Picture of 4-Hydroxy Duloxetine β-D-Glucuronide
SZ CAT No:: SZ-D001064
CAS No: 741693-83-4
Mol.F.: C24H27NO8S
Mol.Wt.: 489.5
Inv. Status: Custom Synthesis

5-Hydroxy-6-methoxy duloxetine sulfate

Picture of 5-Hydroxy-6-methoxy duloxetine sulfate
SZ CAT No:: SZ-D001019
CAS No: 732983-57-2
Mol.F.: C19H21NO6S2 
Mol.Wt.: 423.5
Inv. Status: Custom Synthesis

Duloxetine Carbamate Impurity

Picture of Duloxetine Carbamate Impurity
SZ CAT No:: SZ-D001052
CAS No: NA
Mol.F.: C25H23NO3S
Mol.Wt.: 417.5
Inv. Status: Custom Synthesis

Duloxetine Dimer Impurity

Picture of Duloxetine Dimer Impurity
SZ CAT No:: SZ-D001057
CAS No: NA
Mol.F.: C35H33NO2S2
Mol.Wt.: 563.8
Inv. Status: Custom Synthesis

Duloxetine Impurity 1

Picture of Duloxetine Impurity 1
SZ CAT No:: SZ-D001023
CAS No: NA
Mol.F.: C28H25NOS
Mol.Wt.: 423.6
Inv. Status: Custom Synthesis

Duloxetine Impurity 12

Picture of Duloxetine Impurity 12
SZ CAT No:: SZ-D001037
CAS No: 603959-56-4
Mol.F.: C8H11NO2S
Mol.Wt.: 185.2
Inv. Status: Custom Synthesis

Duloxetine Impurity 2

Picture of Duloxetine Impurity 2
SZ CAT No:: SZ-D001024
CAS No: NA
Mol.F.: C18H19NOS 
Mol.Wt.: 297.4
Inv. Status: Custom Synthesis

Duloxetine Impurity 5

Picture of Duloxetine Impurity 5
SZ CAT No:: SZ-D001027
CAS No: 645411-16-1
Mol.F.: C8H11NOS : HCl 
Mol.Wt.: 169.3 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No: 667465-15-8 (free base)

Duloxetine Impurity 7

Picture of Duloxetine Impurity 7
SZ CAT No:: SZ-D001029
CAS No: 494221-37-3
Mol.F.: C15H17NO2S2 : HCl 
Mol.Wt.: 307.4 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No: 763079-11-4 (free base)

Duloxetine Lactose Adduct Impurity

Picture of Duloxetine Lactose Adduct Impurity
SZ CAT No:: SZ-D001065
CAS No: NA
Mol.F.: C30H39NO11S
Mol.Wt.: 621.7
Inv. Status: Custom Synthesis

Duloxetine N-Desmethyl (R)-Isomer

Picture of Duloxetine N-Desmethyl (R)-Isomer
SZ CAT No:: SZ-D001011
CAS No: 1193213-97-6
Mol.F.: C17H17NOS
Mol.Wt.: 283.4
Inv. Status: Custom Synthesis

Duloxetine N-Desmethyl (S)-Isomer

Picture of Duloxetine N-Desmethyl (S)-Isomer
SZ CAT No:: SZ-D001012
CAS No: 178273-35-3
Mol.F.: C17H17NOS
Mol.Wt.: 283.4
Inv. Status: Custom Synthesis
Rel. CAS No: 1798887-69-0 (HCl salt)

Duloxetine N-formyl Impurity

Picture of Duloxetine N-formyl Impurity
SZ CAT No:: SZ-D001021
CAS No: 1243540-89-7
Mol.F.: C19H19NO2S 
Mol.Wt.: 325.4
Inv. Status: Custom Synthesis

Duloxetine N-Methyl (R)-Isomer

Picture of Duloxetine N-Methyl (R)-Isomer
SZ CAT No:: SZ-D001013
CAS No: 932013-45-1
Mol.F.: C19H21NOS : C2H2O4
Mol.Wt.: 311.4 : 90.0
Inv. Status: Custom Synthesis
Rel. CAS No: 878757-08-5 (free base)

Duloxetine Regioisomer

Picture of Duloxetine Regioisomer
SZ CAT No:: SZ-D001062
CAS No: 940291-11-2
Mol.F.: C18H19NOS
Mol.Wt.: 297.4
Inv. Status: Custom Synthesis
Rel. CAS No: 940273-70-1 (HCl salt)

N-Methyl Duloxetine

Picture of N-Methyl Duloxetine
SZ CAT No:: SZ-D001054
CAS No: 132335-46-7
Mol.F.: C19H21NOS
Mol.Wt.: 311.4
Inv. Status: Custom Synthesis
Rel. CAS No: 132335-47-8 (oxalate salt) ; 1492053-96-9 (HCl salt)
Rel. CAT No: SZ-D001025 ,

rac Duloxetine 3-Thiophene Isomer

Picture of rac Duloxetine 3-Thiophene Isomer
SZ CAT No:: SZ-D001044
CAS No: 1104890-90-5
Mol.F.: C18H19NOS : HCl
Mol.Wt.: 297.4 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No: 116817-27-7 (free base)

Duloxetine

Picture of Duloxetine
SZ CAT No:: SZ-D001049
CAS No: 116539-59-4
Mol.F.: C18H19NOS
Mol.Wt.: 297.4
Inv. Status: Under Synthesis
Rel. CAS No: 136434-34-9 (HCl salt) ; 116817-77-7 (Oxalate salt) ; 116817-86-8 (Maleate salt) ; 1106772-41-1 (HBr salt)

Duloxetine Related Compound J

Picture of Duloxetine Related Compound J
SZ CAT No:: SZ-D001018
CAS No: NA
Mol.F.: C24H23NOS
Mol.Wt.: 373.5
Inv. Status: Under Synthesis

5-Hydroxy Duloxetine

Picture of 5-Hydroxy Duloxetine
SZ CAT No:: SZ-D001071
CAS No: 741693-77-6
Mol.F.: C18H19NO2S
Mol.Wt.: 313.4
Inv. Status:

6-Hydroxy Duloxetine

Picture of 6-Hydroxy Duloxetine
SZ CAT No:: SZ-D001072
CAS No: 741693-76-5
Mol.F.: C18H19NO2S
Mol.Wt.: 313.4
Inv. Status:

Duloxetine Impurity 28

Picture of Duloxetine Impurity 28
SZ CAT No:: SZ-D001069
CAS No: 116817-84-6
Mol.F.: C9H15NOS
Mol.Wt.: 185.3
Inv. Status:

Duloxetine Impurity 29

Picture of Duloxetine Impurity 29
SZ CAT No:: SZ-D001070
CAS No: NA
Mol.F.: C15H21NO2S2
Mol.Wt.: 311.5
Inv. Status:

Stable Isotopes And Metabolites

N-Nitroso Duloxetine D3

Picture of N-Nitroso Duloxetine D3
SZ CAT No:: SZ-D001D06
CAS No: NA
Mol.F.: C18H15D3N2O2S
Mol.Wt.: 329.4
Inv. Status: In Stock

N-Nitroso Duloxetine D5

Picture of N-Nitroso Duloxetine D5
SZ CAT No:: SZ-D001D05
CAS No: NA
Mol.F.: C18H13D5N2O2S
Mol.Wt.: 331.4
Inv. Status: In Stock

4-Hydroxy Duloxetine-d6 beta-D-Glucuronide

Picture of 4-Hydroxy Duloxetine-d6 beta-D-Glucuronide
SZ CAT No:: SZ-D001D03
CAS No: NA
Mol.F.: C24H21D6NO8S
Mol.Wt.: 495.6
Inv. Status: Custom Synthesis
Rel. CAS No: 741693-83-4 (Unlabeled)

Duloxetine D3

Picture of Duloxetine D3
SZ CAT No:: SZ-D001D04
CAS No: 919522-50-2
Mol.F.: C18H16D3NOS
Mol.Wt.: 300.4
Inv. Status: Custom Synthesis

Duloxetine D3 Maleate

Picture of Duloxetine D3 Maleate
SZ CAT No:: SZ-D001D07
CAS No: NA
Mol.F.: C18H12D7NOS : C4H4O4
Mol.Wt.: 304.5 : 116.1
Inv. Status: Custom Synthesis

Duloxetine D5

Picture of Duloxetine D5
SZ CAT No:: SZ-D001D01
CAS No: 1276197-52-4
Mol.F.: C18H14D5NOS
Mol.Wt.: 302.5
Inv. Status: Custom Synthesis

N-Nitroso Duloxetine D7

Picture of N-Nitroso Duloxetine D7
SZ CAT No:: SZ-D001D08
CAS No: NA
Mol.F.: C18H11D7N2O2S
Mol.Wt.: 333.5
Inv. Status: Custom Synthesis

Rac-Duloxetine-D7 Maleate

Picture of Rac-Duloxetine-D7 Maleate
SZ CAT No:: SZ-D001D09
CAS No: NA
Mol.F.: C18H12D7NOS : C4H4O4
Mol.Wt.: 304.5 : 116.1
Inv. Status:

Possible Nitroso Standards

Duloxetine Nitroso Impurity 1

Picture of Duloxetine Nitroso Impurity 1
SZ CAT No:: SZ-D001041
CAS No: 2418708-78-6
Mol.F.: C8H12N2O2S
Mol.Wt.: 200.3
Inv. Status: In Stock

Duloxetine Nitroso Impurity 2

Picture of Duloxetine Nitroso Impurity 2
SZ CAT No:: SZ-D001047
CAS No: 2680527-91-5
Mol.F.: C18H18N2O2S
Mol.Wt.: 326.4
Inv. Status: In Stock

Duloxetine Nitroso Impurity 3

Picture of Duloxetine Nitroso Impurity 3
SZ CAT No:: SZ-D001063
CAS No: NA
Mol.F.: C17H18N2O2
Mol.Wt.: 282.3
Inv. Status: In Stock

Duloxetine Nitroso Impurity 4

Picture of Duloxetine Nitroso Impurity 4
SZ CAT No:: SZ-D001066
CAS No: NA
Mol.F.: C8H10N2O2S
Mol.Wt.: 198.2
Inv. Status: In Stock

N-Nitroso Duloxetine

Picture of N-Nitroso Duloxetine
SZ CAT No:: SZ-D001046
CAS No: NA
Mol.F.: C18H18N2O2S
Mol.Wt.: 326.4
Inv. Status: In Stock

N-Nitroso Duloxetine EP Impurity B

Picture of N-Nitroso Duloxetine EP Impurity B
SZ CAT No:: SZ-D001045
CAS No: NA
Mol.F.: C8H12N2O2S
Mol.Wt.: 200.3
Inv. Status: In Stock

N-Nitroso Duloxetine EP Impurity A

Picture of N-Nitroso Duloxetine EP Impurity A
SZ CAT No:: SZ-D001058
CAS No: NA
Mol.F.: C18H18N2O2S
Mol.Wt.: 326.4
Inv. Status: Custom Synthesis

N-Nitroso Duloxetine EP Impurity C

Picture of N-Nitroso Duloxetine EP Impurity C
SZ CAT No:: SZ-D001059
CAS No: NA
Mol.F.: C18H18N2O2S
Mol.Wt.: 326.4
Inv. Status: Custom Synthesis

N-Nitroso Duloxetine EP Impurity E

Picture of N-Nitroso Duloxetine EP Impurity E
SZ CAT No:: SZ-D001060
CAS No: NA
Mol.F.: C18H18N2O2S
Mol.Wt.: 326.4
Inv. Status: Custom Synthesis

N-Nitroso Duloxetine EP Impurity F

Picture of N-Nitroso Duloxetine EP Impurity F
SZ CAT No:: SZ-D001061
CAS No: NA
Mol.F.: C18H18N2O2S
Mol.Wt.: 326.4
Inv. Status: Custom Synthesis

Duloxetine Nitroso Impurity 5

Picture of Duloxetine Nitroso Impurity 5
SZ CAT No:: SZ-D001068
CAS No: NA
Mol.F.: C18H18N2O2S
Mol.Wt.: 326.4
Inv. Status:
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