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Pharmaceutical Reference Standards

Parecoxib Sodium Salt

Picture of Parecoxib Sodium Salt
CAT No: SZ-P047001
CAS No: 198470-85-8
Mol.F. : C19H18N2O4S : Na
Mol.Wt. : 370.4 : 23.0
Inv. Status: In Stock
Rel. CAS No : 198470-84-7 (free base)
SZ-P047001
CAS No:198470-85-8
Mol.F.: C19H18N2O4S : Na
Mol.Wt.: 370.4 : 23.0
Inv. Status: In Stock
Rel. CAS No : 198470-84-7 (free base)

Parecoxib N-Oxide

Picture of Parecoxib N-Oxide
CAT No: SZ-P047003
CAS No: NA
Mol.F. : C19H18N2O5S
Mol.Wt. : 386.4
Inv. Status: Custom Synthesis
SZ-P047003
CAS No:NA
Mol.F.: C19H18N2O5S
Mol.Wt.: 386.4
Inv. Status: Custom Synthesis

Parecoxib Impurity 1

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CAT No: SZ-P047004
CAS No: 1708094-99-8
Mol.F. : C22H23N3O7S2
Mol.Wt. : 505.6
Inv. Status: Custom Synthesis
SZ-P047004
CAS No:1708094-99-8
Mol.F.: C22H23N3O7S2 
Mol.Wt.: 505.6
Inv. Status: Custom Synthesis

Parecoxib Impurity 2

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CAT No: SZ-P047005
CAS No: 451-40-1
Mol.F. : C14H12O
Mol.Wt. : 196.3
Inv. Status: In Stock
SZ-P047005
CAS No:451-40-1
Mol.F.: C14H12O
Mol.Wt.: 196.3
Inv. Status: In Stock

Parecoxib Impurity 3

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CAT No: SZ-P047006
CAS No: NA
Mol.F. : C16H14N2O3S
Mol.Wt. : 314.4
Inv. Status: Custom Synthesis
SZ-P047006
CAS No:NA
Mol.F.: C16H14N2O3S
Mol.Wt.: 314.4
Inv. Status: Custom Synthesis

Parecoxib Impurity 4

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CAT No: SZ-P047007
CAS No: 1373038-59-5
Mol.F. : C16H15N3O5S2
Mol.Wt. : 393.4
Inv. Status: In Stock
SZ-P047007
CAS No:1373038-59-5
Mol.F.: C16H15N3O5S2
Mol.Wt.: 393.4
Inv. Status: In Stock

Parecoxib Impurity 5

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CAT No: SZ-P047008
CAS No: 198471-06-6
Mol.F. : C18H16N2O4S
Mol.Wt. : 356.4
Inv. Status: In Stock
SZ-P047008
CAS No:198471-06-6
Mol.F.: C18H16N2O4S
Mol.Wt.: 356.4
Inv. Status: In Stock

Parecoxib Impurity 6 Sodium Salt

Picture of Parecoxib Impurity 6 Sodium Salt
CAT No: SZ-P047009
CAS No: 198470-92-7
Mol.F. : C20H20N2O4S : Na
Mol.Wt. : 384.5 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 198470-91-6 (free base)
SZ-P047009
CAS No:198470-92-7
Mol.F.: C20H20N2O4S : Na
Mol.Wt.: 384.5 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 198470-91-6 (free base)

Parecoxib Impurity 7

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CAT No: SZ-P047010
CAS No: 501093-49-8
Mol.F. : C16H14N2O4S
Mol.Wt. : 330.4
Inv. Status: Custom Synthesis
SZ-P047010
CAS No:501093-49-8
Mol.F.: C16H14N2O4S 
Mol.Wt.: 330.4
Inv. Status: Custom Synthesis

Parecoxib Impurity 8

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CAT No: SZ-P047011
CAS No: 181696-35-5
Mol.F. : C16H13NO4S
Mol.Wt. : 315.4
Inv. Status: In Stock
SZ-P047011
CAS No:181696-35-5
Mol.F.: C16H13NO4S 
Mol.Wt.: 315.4
Inv. Status: In Stock

Parecoxib Impurity 9

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CAT No: SZ-P047012
CAS No: NA
Mol.F. : C17H18N2O4S
Mol.Wt. : 346.4
Inv. Status: Custom Synthesis
SZ-P047012
CAS No:NA
Mol.F.: C17H18N2O4S
Mol.Wt.: 346.4
Inv. Status: Custom Synthesis

Parecoxib Impurity 10

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CAT No: SZ-P047013
CAS No: 181695-72-7
Mol.F. : C16H14N2O3S
Mol.Wt. : 314.4
Inv. Status: In Stock
SZ-P047013
CAS No:181695-72-7
Mol.F.: C16H14N2O3S
Mol.Wt.: 314.4
Inv. Status: In Stock

Parecoxib Impurity 11

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CAT No: SZ-P047014
CAS No: 181696-12-8
Mol.F. : C16H14N2O3S
Mol.Wt. : 314.4
Inv. Status: Custom Synthesis
SZ-P047014
CAS No:181696-12-8
Mol.F.: C16H14N2O3S 
Mol.Wt.: 314.4
Inv. Status: Custom Synthesis

Parecoxib

Picture of Parecoxib
CAT No: SZ-P047015
CAS No: 198470-84-7
Mol.F. : C19H18N2O4S
Mol.Wt. : 370.4
Inv. Status: In Stock
SZ-P047015
CAS No:198470-84-7
Mol.F.: C19H18N2O4S
Mol.Wt.: 370.4
Inv. Status: In Stock

Parecoxib Impurity 14

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CAT No: SZ-P047017
CAS No: NA
Mol.F. : C16H13NO7S2
Mol.Wt. : 395.4
Inv. Status: Custom Synthesis
SZ-P047017
CAS No:NA
Mol.F.: C16H13NO7S2 
Mol.Wt.: 395.4
Inv. Status: Custom Synthesis

Parecoxib Impurity 15

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CAT No: SZ-P047018
CAS No: 26306-06-9
Mol.F. : C14H13NO
Mol.Wt. : 211.3
Inv. Status: In Stock
SZ-P047018
CAS No:26306-06-9
Mol.F.: C14H13NO
Mol.Wt.: 211.3
Inv. Status: In Stock

Parecoxib Impurity 16

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CAT No: SZ-P047019
CAS No: 1884279-18-8
Mol.F. : C18H17NO4S
Mol.Wt. : 343.4
Inv. Status: Custom Synthesis
SZ-P047019
CAS No:1884279-18-8
Mol.F.: C18H17NO4S
Mol.Wt.: 343.4
Inv. Status: Custom Synthesis

Parecoxib Impurity 17

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CAT No: SZ-P047020
CAS No: NA
Mol.F. : C16H15NO2
Mol.Wt. : 253.3
Inv. Status: Custom Synthesis
SZ-P047020
CAS No:NA
Mol.F.: C16H15NO2
Mol.Wt.: 253.3
Inv. Status: Custom Synthesis

Parecoxib Impurity 18

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CAT No: SZ-P047021
CAS No: 2338845-31-9
Mol.F. : C32H24N2O4S
Mol.Wt. : 532.6
Inv. Status: Custom Synthesis
SZ-P047021
CAS No:2338845-31-9
Mol.F.: C32H24N2O4S
Mol.Wt.: 532.6
Inv. Status: Custom Synthesis

Parecoxib Impurity 19

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CAT No: SZ-P047022
CAS No: 386273-25-2
Mol.F. : C16H14N2O3S
Mol.Wt. : 314.4
Inv. Status: In Stock
SZ-P047022
CAS No:386273-25-2
Mol.F.: C16H14N2O3S
Mol.Wt.: 314.4
Inv. Status: In Stock

Parecoxib Impurity D

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CAT No: SZ-P047023
CAS No: NA
Mol.F. : C16H14N2O3S
Mol.Wt. : 314.4
Inv. Status: Custom Synthesis
SZ-P047023
CAS No:NA
Mol.F.: C16H14N2O3S
Mol.Wt.: 314.4
Inv. Status: Custom Synthesis

Parecoxib Impurity E

Picture of Parecoxib Impurity E
CAT No: SZ-P047024
CAS No: NA
Mol.F. : C19H17N2O4S : Na
Mol.Wt. : 369.4 : 23.0
Inv. Status: Under Synthesis
SZ-P047024
CAS No:NA
Mol.F.: C19H17N2O4S : Na
Mol.Wt.: 369.4 : 23.0
Inv. Status: Under Synthesis

Parecoxib Impurity 20

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CAT No: SZ-P047025
CAS No: 37928-17-9
Mol.F. : C16H13NO
Mol.Wt. : 235.3
Inv. Status: In Stock
SZ-P047025
CAS No:37928-17-9
Mol.F.: C16H13NO 
Mol.Wt.: 235.3
Inv. Status: In Stock

Parecoxib Impurity 21

Picture of Parecoxib Impurity 21
CAT No: SZ-P047026
CAS No: 1709956-89-7
Mol.F. : C19H18N2O4S
Mol.Wt. : 370.4
Inv. Status: In Stock
SZ-P047026
CAS No:1709956-89-7
Mol.F.: C19H18N2O4S
Mol.Wt.: 370.4
Inv. Status: In Stock

Parecoxib Impurity 22

Picture of Parecoxib Impurity 22
CAT No: SZ-P047027
CAS No: 181696-73-1
Mol.F. : C16H15NO2
Mol.Wt. : 253.3
Inv. Status: In Stock
SZ-P047027
CAS No:181696-73-1
Mol.F.: C16H15NO2
Mol.Wt.: 253.3
Inv. Status: In Stock

Parecoxib Impurity 23

Picture of Parecoxib Impurity 23
CAT No: SZ-P047028
CAS No: 1373038-60-8
Mol.F. : C32H25N3O6S2
Mol.Wt. : 611.7
Inv. Status: In Stock
SZ-P047028
CAS No:1373038-60-8
Mol.F.: C32H25N3O6S2
Mol.Wt.: 611.7
Inv. Status: In Stock

Parecoxib Impurity 24

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CAT No: SZ-P047029
CAS No: 198471-07-7
Mol.F. : C18H15N2O4S : Na
Mol.Wt. : 355.4 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 198471-06-6 (free base)
SZ-P047029
CAS No:198471-07-7
Mol.F.: C18H15N2O4S : Na
Mol.Wt.: 355.4 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 198471-06-6 (free base)

Parecoxib Impurity 25

Picture of Parecoxib Impurity 25
CAT No: SZ-P047030
CAS No: 2235371-89-6
Mol.F. : C19H18N2O4S
Mol.Wt. : 370.4
Inv. Status: In Stock
SZ-P047030
CAS No:2235371-89-6
Mol.F.: C19H18N2O4S
Mol.Wt.: 370.4
Inv. Status: In Stock

Parecoxib Impurity C

Picture of Parecoxib Impurity C
CAT No: SZ-P047033
CAS No: NA
Mol.F. : C19H18N2O4S
Mol.Wt. : 370.4
Inv. Status: Custom Synthesis
SZ-P047033
CAS No:NA
Mol.F.: C19H18N2O4S
Mol.Wt.: 370.4
Inv. Status: Custom Synthesis

Parecoxib Impurity 27

Picture of Parecoxib Impurity 27
CAT No: SZ-P047034
CAS No: 477594-28-8
Mol.F. : C19H18N2O4S
Mol.Wt. : 370.4
Inv. Status: Custom Synthesis
SZ-P047034
CAS No:477594-28-8
Mol.F.: C19H18N2O4S
Mol.Wt.: 370.4
Inv. Status: Custom Synthesis

Parecoxib Impurity 28

Picture of Parecoxib Impurity 28
CAT No: SZ-P047035
CAS No: NA
Mol.F. : C19H18N2O4S
Mol.Wt. : 370.4
Inv. Status: Custom Synthesis
SZ-P047035
CAS No:NA
Mol.F.: C19H18N2O4S
Mol.Wt.: 370.4
Inv. Status: Custom Synthesis

Stable Isotopes And Metabolites

Parecoxib D3

Picture of Parecoxib D3
CAT No: SZ-P047D01
CAS No: NA
Mol.F. : C19H15D3N2O4S
Mol.Wt. : 373.4
Inv. Status: Custom Synthesis
SZ-P047D01
CAS No:NA
Mol.F.: C19H15D3N2O4S
Mol.Wt.: 373.4
Inv. Status: Custom Synthesis

Parecoxib D5

Picture of Parecoxib D5
CAT No: SZ-P047D02
CAS No: NA
Mol.F. : C19H13D5N2O4S
Mol.Wt. : 375.5
Inv. Status: Custom Synthesis
SZ-P047D02
CAS No:NA
Mol.F.: C19H13D5N2O4S
Mol.Wt.: 375.5
Inv. Status: Custom Synthesis