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Pharmaceutical Reference Standards

Exemestane

Picture of Exemestane
CAT No: SZ-E025001
CAS No: 107868-30-4
Mol.F. : C20H24O2
Mol.Wt. : 296.4
Inv. Status: In Stock
SZ-E025001
CAS No:107868-30-4
Mol.F.: C20H24O2
Mol.Wt.: 296.4
Inv. Status: In Stock

Exemestane EP Impurity B

Picture of Exemestane EP Impurity B
CAT No: SZ-E025002
CAS No: 184972-09-6
Mol.F. : C20H26O3
Mol.Wt. : 314.4
Inv. Status: In Stock
SZ-E025002
CAS No:184972-09-6
Mol.F.: C20H26O3
Mol.Wt.: 314.4
Inv. Status: In Stock

Exemestane EP Impurity C

Picture of Exemestane EP Impurity C
CAT No: SZ-E025003
CAS No: 2130745-60-5
Mol.F. : C21H24O2
Mol.Wt. : 308.4
Inv. Status: In Stock
SZ-E025003
CAS No:2130745-60-5
Mol.F.: C21H24O2
Mol.Wt.: 308.4
Inv. Status: In Stock

Exemestane EP Impurity D

Picture of Exemestane EP Impurity D
CAT No: SZ-E025004
CAS No: 897-06-3
Mol.F. : C19H24O2
Mol.Wt. : 284.4
Inv. Status: In Stock
Rel. CAT No : SZ-T021008,
SZ-E025004
CAS No:897-06-3
Mol.F.: C19H24O2
Mol.Wt.: 284.4
Inv. Status: In Stock

Exemestane EP Impurity E

Picture of Exemestane EP Impurity E
CAT No: SZ-E025005
CAS No: 19457-55-7
Mol.F. : C20H26O2
Mol.Wt. : 298.4
Inv. Status: In Stock
SZ-E025005
CAS No:19457-55-7
Mol.F.: C20H26O2
Mol.Wt.: 298.4
Inv. Status: In Stock

Exemestane EP Impurity F

Picture of Exemestane EP Impurity F
CAT No: SZ-E025006
CAS No: 72648-46-5
Mol.F. : C19H22O3
Mol.Wt. : 298.4
Inv. Status: In Stock
SZ-E025006
CAS No:72648-46-5
Mol.F.: C19H22O3
Mol.Wt.: 298.4
Inv. Status: In Stock

Exemestane EP Impurity H

Picture of Exemestane EP Impurity H
CAT No: SZ-E025007
CAS No: 122370-91-6
Mol.F. : C20H26O2
Mol.Wt. : 298.4
Inv. Status: In Stock
SZ-E025007
CAS No:122370-91-6
Mol.F.: C20H26O2
Mol.Wt.: 298.4
Inv. Status: In Stock

Exemestane 6-Hydroxymethyl Impurity

Picture of Exemestane 6-Hydroxymethyl Impurity
CAT No: SZ-E025008
CAS No: 152764-26-6
Mol.F. : C20H24O3
Mol.Wt. : 312.4
Inv. Status: Custom Synthesis
SZ-E025008
CAS No:152764-26-6
Mol.F.: C20H24O3
Mol.Wt.: 312.4
Inv. Status: Custom Synthesis

Exemestane Diol Impurity

Picture of Exemestane Diol Impurity
CAT No: SZ-E025009
CAS No: 184972-11-0
Mol.F. : C20H26O4
Mol.Wt. : 330.4
Inv. Status: In Stock
SZ-E025009
CAS No:184972-11-0
Mol.F.: C20H26O4
Mol.Wt.: 330.4
Inv. Status: In Stock

17-Beta-Hydroxy Exemestane Epoxide

Picture of 17-Beta-Hydroxy Exemestane Epoxide
CAT No: SZ-E025010
CAS No: 1331732-05-8
Mol.F. : C20H26O3
Mol.Wt. : 314.4
Inv. Status: Custom Synthesis
SZ-E025010
CAS No:1331732-05-8
Mol.F.: C20H26O3 
Mol.Wt.: 314.4
Inv. Status: Custom Synthesis

Epoxy Exemestane (6-Beta Isomer)

Picture of Epoxy Exemestane (6-Beta Isomer)
CAT No: SZ-E025011
CAS No: 152764-31-3
Mol.F. : C20H24O3
Mol.Wt. : 312.4
Inv. Status: In Stock
SZ-E025011
CAS No:152764-31-3
Mol.F.: C20H24O3 
Mol.Wt.: 312.4
Inv. Status: In Stock

16α, 17α-Epoxy Exemestane

Picture of 16α, 17α-Epoxy Exemestane
CAT No: SZ-E025012
CAS No: NA
Mol.F. : C20H24O2
Mol.Wt. : 296.4
Inv. Status: Custom Synthesis
SZ-E025012
CAS No:NA
Mol.F.: C20H24O2 
Mol.Wt.: 296.4
Inv. Status: Custom Synthesis

Exemestane Metabolite 1

Picture of Exemestane Metabolite 1
CAT No: SZ-E025013
CAS No: NA
Mol.F. : C20H27NO4S
Mol.Wt. : 377.5
Inv. Status: Custom Synthesis
SZ-E025013
CAS No:NA
Mol.F.: C20H27NO4S 
Mol.Wt.: 377.5
Inv. Status: Custom Synthesis

Exemestane Metabolite 2

Picture of Exemestane Metabolite 2
CAT No: SZ-E025014
CAS No: NA
Mol.F. : C21H28O4
Mol.Wt. : 344.5
Inv. Status: Custom Synthesis
SZ-E025014
CAS No:NA
Mol.F.: C21H28O4 
Mol.Wt.: 344.5
Inv. Status: Custom Synthesis

Exemestane Impurity 2

Picture of Exemestane Impurity 2
CAT No: SZ-E025015
CAS No: 861398-01-8
Mol.F. : C21H28O3
Mol.Wt. : 328.5
Inv. Status: Custom Synthesis
SZ-E025015
CAS No:861398-01-8
Mol.F.: C21H28O3 
Mol.Wt.: 328.5
Inv. Status: Custom Synthesis

Exemestane Related Compound 1

Picture of Exemestane Related Compound 1
CAT No: SZ-E025016
CAS No: NA
Mol.F. : C20H24O3
Mol.Wt. : 312.4
Inv. Status: Custom Synthesis
SZ-E025016
CAS No:NA
Mol.F.: C20H24O3 
Mol.Wt.: 312.4
Inv. Status: Custom Synthesis

Exemestane Related Compound 2

Picture of Exemestane Related Compound 2
CAT No: SZ-E025017
CAS No: NA
Mol.F. : C20H24O3
Mol.Wt. : 312.4
Inv. Status: Custom Synthesis
SZ-E025017
CAS No:NA
Mol.F.: C20H24O3 
Mol.Wt.: 312.4
Inv. Status: Custom Synthesis

Exemestane Impurity 1

Picture of Exemestane Impurity 1
CAT No: SZ-E025020
CAS No: 159354-61-7
Mol.F. : C20H24O3
Mol.Wt. : 312.4
Inv. Status: In Stock
SZ-E025020
CAS No:159354-61-7
Mol.F.: C20H24O3 
Mol.Wt.: 312.4
Inv. Status: In Stock

Exemestane Impurity 3

Picture of Exemestane Impurity 3
CAT No: SZ-E025021
CAS No: 2467590-81-2
Mol.F. : C20H24O2
Mol.Wt. : 296.4
Inv. Status: In Stock
SZ-E025021
CAS No:2467590-81-2
Mol.F.: C20H24O2 
Mol.Wt.: 296.4
Inv. Status: In Stock

Exemestane Impurity 5

Picture of Exemestane Impurity 5
CAT No: SZ-E025022
CAS No: 63-05-8
Mol.F. : C19H26O2
Mol.Wt. : 286.4
Inv. Status: Custom Synthesis
Rel. CAS No : 40202-88-8 (Sulfate salt)
Rel. CAT No : SZ-T021002,
SZ-E025022
CAS No:63-05-8
Mol.F.: C19H26O2 
Mol.Wt.: 286.4
Inv. Status: Custom Synthesis
Rel. CAS No : 40202-88-8 (Sulfate salt)

Exemestane Impurity 4

Picture of Exemestane Impurity 4
CAT No: SZ-E025023
CAS No: 152764-24-4
Mol.F. : C20H24O3
Mol.Wt. : 312.4
Inv. Status: In Stock
SZ-E025023
CAS No:152764-24-4
Mol.F.: C20H24O3 
Mol.Wt.: 312.4
Inv. Status: In Stock

Exemestane Impurity 6

Picture of Exemestane Impurity 6
CAT No: SZ-E025024
CAS No: NA
Mol.F. : C20H24O4
Mol.Wt. : 328.4
Inv. Status: In Stock
SZ-E025024
CAS No:NA
Mol.F.: C20H24O4 
Mol.Wt.: 328.4
Inv. Status: In Stock

Exemestane Impurity 7

Picture of Exemestane Impurity 7
CAT No: SZ-E025025
CAS No: NA
Mol.F. : C22H32O2
Mol.Wt. : 328.5
Inv. Status: Custom Synthesis
SZ-E025025
CAS No:NA
Mol.F.: C22H32O2 
Mol.Wt.: 328.5
Inv. Status: Custom Synthesis

Exemestane Intermediate

Picture of Exemestane Intermediate
CAT No: SZ-E025026
CAS No: 4954-08-9
Mol.F. : C19H24O2
Mol.Wt. : 284.4
Inv. Status: In Stock
SZ-E025026
CAS No:4954-08-9
Mol.F.: C19H24O2
Mol.Wt.: 284.4
Inv. Status: In Stock

Epoxy Exemestane (6 Alpha , Beta Isomer)

Picture of Epoxy Exemestane (6 Alpha , Beta Isomer)
CAT No: SZ-E025027
CAS No: 184972-12-1
Mol.F. : C20H24O3
Mol.Wt. : 312.4
Inv. Status: Limited Stock
SZ-E025027
CAS No:184972-12-1
Mol.F.: C20H24O3
Mol.Wt.: 312.4
Inv. Status: Limited Stock

4-chloro exemestane

Picture of 4-chloro exemestane
CAT No: SZ-E025028
CAS No: 107868-36-0
Mol.F. : C20H23ClO2
Mol.Wt. : 330.9
Inv. Status: Custom Synthesis
SZ-E025028
CAS No:107868-36-0
Mol.F.: C20H23ClO2
Mol.Wt.: 330.9
Inv. Status: Custom Synthesis

Exemestane Impurity 8

Picture of Exemestane Impurity 8
CAT No: SZ-E025029
CAS No: 1035-69-4
Mol.F. : C19H24O2
Mol.Wt. : 284.4
Inv. Status: In Stock
SZ-E025029
CAS No:1035-69-4
Mol.F.: C19H24O2
Mol.Wt.: 284.4
Inv. Status: In Stock

Exemestane Impurity 9

Picture of Exemestane Impurity 9
CAT No: SZ-E025030
CAS No: 68539-12-8
Mol.F. : C19H24O2
Mol.Wt. : 284.4
Inv. Status: In Stock
SZ-E025030
CAS No:68539-12-8
Mol.F.: C19H24O2
Mol.Wt.: 284.4
Inv. Status: In Stock

Exemestane Impurity 10

Picture of Exemestane Impurity 10
CAT No: SZ-E025031
CAS No: 17305-49-6
Mol.F. : C19H24O2
Mol.Wt. : 284.4
Inv. Status: Custom Synthesis
SZ-E025031
CAS No:17305-49-6
Mol.F.: C19H24O2
Mol.Wt.: 284.4
Inv. Status: Custom Synthesis

Exemestane Impurity 11

Picture of Exemestane Impurity 11
CAT No: SZ-E025032
CAS No: NA
Mol.F. : C21H28O5S
Mol.Wt. : 392.5
Inv. Status: In Stock
SZ-E025032
CAS No:NA
Mol.F.: C21H28O5S
Mol.Wt.: 392.5
Inv. Status: In Stock

6α-Methoxymethyl Exemestane Impurity

Picture of 6α-Methoxymethyl Exemestane Impurity
CAT No: SZ-E025033
CAS No: 881896-95-3
Mol.F. : C21H28O3
Mol.Wt. : 328.5
Inv. Status: In Stock
SZ-E025033
CAS No:881896-95-3
Mol.F.: C21H28O3
Mol.Wt.: 328.5
Inv. Status: In Stock

Exemestane EP Impurity I

Picture of Exemestane EP Impurity I
CAT No: SZ-E025034
CAS No: NA
Mol.F. : C21H26O3
Mol.Wt. : 326.4
Inv. Status: In Stock
SZ-E025034
CAS No:NA
Mol.F.: C21H26O3
Mol.Wt.: 326.4
Inv. Status: In Stock

Delta-1,6 - methylene -17-hydroxyprogest

Picture of Delta-1,6 - methylene -17-hydroxyprogest
CAT No: SZ-E025035
CAS No: 1204325-01-8
Mol.F. : C22H28O3
Mol.Wt. : 340.5
Inv. Status: Custom Synthesis
SZ-E025035
CAS No:1204325-01-8
Mol.F.: C22H28O3
Mol.Wt.: 340.5
Inv. Status: Custom Synthesis

Exemestane EP Impurity J

Picture of Exemestane EP Impurity J
CAT No: SZ-E025036
CAS No: 1160599-91-6
Mol.F. : C22H28O3
Mol.Wt. : 340.5
Inv. Status: In Stock
SZ-E025036
CAS No:1160599-91-6
Mol.F.: C22H28O3
Mol.Wt.: 340.5
Inv. Status: In Stock

Exemestane Impurity 13

Picture of Exemestane Impurity 13
CAT No: SZ-E025037
CAS No: NA
Mol.F. : C20H26O3
Mol.Wt. : 314.4
Inv. Status: Custom Synthesis
SZ-E025037
CAS No:NA
Mol.F.: C20H26O3
Mol.Wt.: 314.4
Inv. Status: Custom Synthesis

Exemestane Impurity 14

Picture of Exemestane Impurity 14
CAT No: SZ-E025038
CAS No: NA
Mol.F. : C21H28O4
Mol.Wt. : 344.5
Inv. Status: Custom Synthesis
SZ-E025038
CAS No:NA
Mol.F.: C21H28O4
Mol.Wt.: 344.5
Inv. Status: Custom Synthesis

Exemestane Impurity 15

Picture of Exemestane Impurity 15
CAT No: SZ-E025039
CAS No: 1204325-02-9
Mol.F. : C22H30O3
Mol.Wt. : 342.5
Inv. Status: Custom Synthesis
SZ-E025039
CAS No:1204325-02-9
Mol.F.: C22H30O3
Mol.Wt.: 342.5
Inv. Status: Custom Synthesis

Exemestane Impurity 16

Picture of Exemestane Impurity 16
CAT No: SZ-E025041
CAS No: 571-44-8
Mol.F. : C19H28O2
Mol.Wt. : 288.4
Inv. Status: Custom Synthesis
SZ-E025041
CAS No:571-44-8
Mol.F.: C19H28O2
Mol.Wt.: 288.4
Inv. Status: Custom Synthesis

Exemestane Impurity 17

Picture of Exemestane Impurity 17
CAT No: SZ-E025042
CAS No: 10104-53-7
Mol.F. : C19H24O3
Mol.Wt. : 300.4
Inv. Status: Custom Synthesis
SZ-E025042
CAS No:10104-53-7
Mol.F.: C19H24O3
Mol.Wt.: 300.4
Inv. Status: Custom Synthesis

Exemestane Impurity 18

Picture of Exemestane Impurity 18
CAT No: SZ-E025043
CAS No: 1963-03-7
Mol.F. : C19H30O2
Mol.Wt. : 290.4
Inv. Status: Custom Synthesis
SZ-E025043
CAS No:1963-03-7
Mol.F.: C19H30O2
Mol.Wt.: 290.4
Inv. Status: Custom Synthesis

Exemestane Impurity 19

Picture of Exemestane Impurity 19
CAT No: SZ-E025044
CAS No: 33805-57-1
Mol.F. : C19H28O2
Mol.Wt. : 288.4
Inv. Status: Custom Synthesis
SZ-E025044
CAS No:33805-57-1
Mol.F.: C19H28O2
Mol.Wt.: 288.4
Inv. Status: Custom Synthesis

Stable Isotopes And Metabolites

Exemestane D2

Picture of Exemestane D2
CAT No: SZ-E025D01
CAS No: NA
Mol.F. : C20H22D2O2
Mol.Wt. : 298.4
Inv. Status: Custom Synthesis
SZ-E025D01
CAS No:NA
Mol.F.: C20H22D2O2
Mol.Wt.: 298.4
Inv. Status: Custom Synthesis

Exemestane D4

Picture of Exemestane D4
CAT No: SZ-E025D02
CAS No: NA
Mol.F. : C20H20D4O2
Mol.Wt. : 300.4
Inv. Status: Custom Synthesis
SZ-E025D02
CAS No:NA
Mol.F.: C20H20D4O2
Mol.Wt.: 300.4
Inv. Status: Custom Synthesis

Exemestane Impurity 5 D7

Picture of Exemestane Impurity 5 D7
CAT No: SZ-E025D03
CAS No: 7034-85-9
Mol.F. : C19H19D7O2
Mol.Wt. : 293.5
Inv. Status: Custom Synthesis
Rel. CAS No : 63-05-8 (Unlabeled)
SZ-E025D03
CAS No:7034-85-9
Mol.F.: C19H19D7O2
Mol.Wt.: 293.5
Inv. Status: Custom Synthesis
Rel. CAS No : 63-05-8 (Unlabeled)

Exemestane 13C D4

Picture of Exemestane 13C D4
CAT No: SZ-E025D04
CAS No: NA
Mol.F. : C1913CH20D4O2
Mol.Wt. : 301.4
Inv. Status: Custom Synthesis
SZ-E025D04
CAS No:NA
Mol.F.: C1913CH20D4O2
Mol.Wt.: 301.4
Inv. Status: Custom Synthesis