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Stable Isotopes And Metabolites

Letrozole D4

Picture of Letrozole D4
CAT No: SZ-L003D01
CAS No: 1133712-96-5
Mol.F. : C17H7D4N5
Mol.Wt. : 289.33
Inv. Status: Custom Synthesis
SZ-L003D01
CAS No:1133712-96-5
Mol.F.: C17H7D4N5
Mol.Wt.: 289.33
Inv. Status: Custom Synthesis

Pharmaceutical Reference Standards

Letrozole

Picture of Letrozole
CAT No: SZ-L003000
CAS No: 112809-51-5
Mol.F. : C17H11N5
Mol.Wt. : 285.3
Inv. Status: In Stock
SZ-L003000
CAS No:112809-51-5
Mol.F.: C17H11N5
Mol.Wt.: 285.3
Inv. Status: In Stock

Letrozole EP Impurity A

Picture of Letrozole EP Impurity A
CAT No: SZ-L003001
CAS No: 112809-52-6
Mol.F. : C17H11N5
Mol.Wt. : 285.31
Inv. Status: In Stock
SZ-L003001
CAS No:112809-52-6
Mol.F.: C17H11N5 
Mol.Wt.: 285.31
Inv. Status: In Stock

Letrozole EP Impurity B

Picture of Letrozole EP Impurity B
CAT No: SZ-L003002
CAS No: 113402-31-6
Mol.F. : C22H13N3
Mol.Wt. : 319.3
Inv. Status: In Stock
SZ-L003002
CAS No:113402-31-6
Mol.F.: C22H13N3
Mol.Wt.: 319.3
Inv. Status: In Stock

Letrozole Impurity C

Picture of Letrozole Impurity C
CAT No: SZ-L003003
CAS No: 112809-25-3
Mol.F. : C10H8N4
Mol.Wt. : 184.2
Inv. Status: In Stock
SZ-L003003
CAS No:112809-25-3
Mol.F.: C10H8N4 
Mol.Wt.: 184.2
Inv. Status: In Stock

Carbinol Metabolite of Letrozole

Picture of Carbinol Metabolite of Letrozole
CAT No: SZ-L003004
CAS No: 134521-16-7
Mol.F. : C15H10N2O
Mol.Wt. : 234.26
Inv. Status: Custom Synthesis
SZ-L003004
CAS No:134521-16-7
Mol.F.: C15H10N2O 
Mol.Wt.: 234.26
Inv. Status: Custom Synthesis

Letrozole Diacid

Picture of Letrozole Diacid
CAT No: SZ-L003005
CAS No: 1644566-39-1 
Mol.F. : C17H15N3O4
Mol.Wt. : 325.33
Inv. Status: Custom Synthesis
SZ-L003005
CAS No:1644566-39-1 
Mol.F.: C17H15N3O4 
Mol.Wt.: 325.33
Inv. Status: Custom Synthesis

Letrozole Diamide

Picture of Letrozole Diamide
CAT No: SZ-L003006
CAS No: 2170106-13-3 
Mol.F. : C17H17N5O2
Mol.Wt. : 323.36
Inv. Status: Custom Synthesis
SZ-L003006
CAS No:2170106-13-3 
Mol.F.: C17H17N5O2 
Mol.Wt.: 323.36
Inv. Status: Custom Synthesis

Letrozole N-Oxide

Picture of Letrozole N-Oxide
CAT No: SZ-L003007
CAS No: N/A
Mol.F. : C17H11N5O
Mol.Wt. : 301.31
Inv. Status: Custom Synthesis
SZ-L003007
CAS No:N/A
Mol.F.: C17H11N5O 
Mol.Wt.: 301.31
Inv. Status: Custom Synthesis

Letrozole Impurity 1

Picture of Letrozole Impurity 1
CAT No: SZ-L003008
CAS No: 143030-54-0
Mol.F. : C16H11BrN4
Mol.Wt. : 339.2
Inv. Status: Custom Synthesis
SZ-L003008
CAS No:143030-54-0
Mol.F.: C16H11BrN4 
Mol.Wt.: 339.2
Inv. Status: Custom Synthesis

Letrozole Monoacid Impurity

Picture of Letrozole Monoacid Impurity
CAT No: SZ-L003009
CAS No: N/A
Mol.F. : C17H12N4O2
Mol.Wt. : 304.31
Inv. Status: Custom Synthesis
SZ-L003009
CAS No:N/A
Mol.F.: C17H12N4O2
Mol.Wt.: 304.31
Inv. Status: Custom Synthesis

Letrozole Impurity 2 (N-Oxide)

Picture of Letrozole Impurity 2 (N-Oxide)
CAT No: SZ-L003010
CAS No: N/A
Mol.F. : C17H11N5O
Mol.Wt. : 301.31
Inv. Status: Custom Synthesis
SZ-L003010
CAS No:N/A
Mol.F.: C17H11N5O
Mol.Wt.: 301.31
Inv. Status: Custom Synthesis

Letrozole Impurity 3

Picture of Letrozole Impurity 3
CAT No: SZ-L003011
CAS No: 112809-27-5
Mol.F. : C10H8N4
Mol.Wt. : 184.2
Inv. Status: In Stock
SZ-L003011
CAS No:112809-27-5
Mol.F.: C10H8N4
Mol.Wt.: 184.2
Inv. Status: In Stock

4-Fluorobenzonitrile

Picture of 4-Fluorobenzonitrile
CAT No: SZ-L003012
CAS No: 1194-02-1
Mol.F. : C7H4FN
Mol.Wt. : 121.1
Inv. Status: In Stock
SZ-L003012
CAS No:1194-02-1
Mol.F.: C7H4FN
Mol.Wt.: 121.1
Inv. Status: In Stock

Letrozole Impurity 4

Picture of Letrozole Impurity 4
CAT No: SZ-L003013
CAS No: NA
Mol.F. : C18H14N5 : Br
Mol.Wt. : 300.3 : 79.9
Inv. Status: Custom Synthesis
SZ-L003013
CAS No:NA
Mol.F.: C18H14N5 : Br
Mol.Wt.: 300.3 : 79.9
Inv. Status: Custom Synthesis

Letrozole Impurity 5

Picture of Letrozole Impurity 5
CAT No: SZ-L003014
CAS No: 124213-98-5
Mol.F. : C2H6N4
Mol.Wt. : 86.1
Inv. Status: Custom Synthesis
SZ-L003014
CAS No:124213-98-5
Mol.F.: C2H6N4
Mol.Wt.: 86.1
Inv. Status: Custom Synthesis

Letrozole Impurity 6

Picture of Letrozole Impurity 6
CAT No: SZ-L003015
CAS No: 748812-17-1
Mol.F. : C10H10N5 : Br
Mol.Wt. : 200.2 : 79.9
Inv. Status: Custom Synthesis
SZ-L003015
CAS No:748812-17-1
Mol.F.: C10H10N5 : Br
Mol.Wt.: 200.2 : 79.9
Inv. Status: Custom Synthesis