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Pharmaceutical Reference Standards

Azathioprine

Picture of Azathioprine
CAT No: SZ-A064001
CAS No: 446-86-6
Mol.F. : C9H7N7O2S
Mol.Wt. : 277.3
Inv. Status: In Stock
SZ-A064001
CAS No:446-86-6
Mol.F.: C9H7N7O2S
Mol.Wt.: 277.3
Inv. Status: In Stock

Azathioprine EP Impurity A

Picture of Azathioprine EP Impurity A
CAT No: SZ-A064002
CAS No: 4531-54-8
Mol.F. : C4H6N4O2
Mol.Wt. : 142.1
Inv. Status: In Stock
SZ-A064002
CAS No:4531-54-8
Mol.F.: C4H6N4O2
Mol.Wt.: 142.1
Inv. Status: In Stock

Azathioprine EP Impurity B

Picture of Azathioprine EP Impurity B
CAT No: SZ-A064003
CAS No: 6112-76-1
Mol.F. : C5H4N4S : H2O
Mol.Wt. : 152.2 : 18.0
Inv. Status: In Stock, 3-4 days for Dispatch
Rel. CAS No : 50-44-2 (free base)
SZ-A064003
CAS No:6112-76-1
Mol.F.: C5H4N4S : H2O
Mol.Wt.: 152.2 : 18.0
Inv. Status: In Stock, 3-4 days for Dispatch
Rel. CAS No : 50-44-2 (free base)

Azathioprine EP Impurity C

Picture of Azathioprine EP Impurity C
CAT No: SZ-A064004
CAS No: 4897-25-0
Mol.F. : C4H4ClN3O2
Mol.Wt. : 161.6
Inv. Status: In Stock
SZ-A064004
CAS No:4897-25-0
Mol.F.: C4H4ClN3O2
Mol.Wt.: 161.6
Inv. Status: In Stock

Azathioprine EP Impurity D

Picture of Azathioprine EP Impurity D
CAT No: SZ-A064005
CAS No: 6339-54-4
Mol.F. : C4H5N3O2S
Mol.Wt. : 159.1
Inv. Status: Limited Stock
SZ-A064005
CAS No:6339-54-4
Mol.F.: C4H5N3O2S
Mol.Wt.: 159.1
Inv. Status: Limited Stock

Azathioprine EP Impurity E

Picture of Azathioprine EP Impurity E
CAT No: SZ-A064006
CAS No: 35681-68-6
Mol.F. : C4H5N3O3 : Na
Mol.Wt. : 143.1 : 23.0
Inv. Status: Limited Stock
Rel. CAS No : 73703-74-9 (free base)
SZ-A064006
CAS No:35681-68-6
Mol.F.: C4H5N3O3 : Na
Mol.Wt.: 143.1 : 23.0
Inv. Status: Limited Stock
Rel. CAS No : 73703-74-9 (free base)

Azathioprine EP Impurity G

Picture of Azathioprine EP Impurity G
CAT No: SZ-A064007
CAS No: 5581-52-2
Mol.F. : C9H8N8O2S
Mol.Wt. : 292.3
Inv. Status: Out of Stock, Custom Synthesis
SZ-A064007
CAS No:5581-52-2
Mol.F.: C9H8N8O2S
Mol.Wt.: 292.3
Inv. Status: Out of Stock, Custom Synthesis

Azathioprine Impurity 1

Picture of Azathioprine Impurity 1
CAT No: SZ-A064009
CAS No: NA
Mol.F. : C9H7N7O3S
Mol.Wt. : 293.3
Inv. Status: Custom Synthesis
SZ-A064009
CAS No:NA
Mol.F.: C9H7N7O3S
Mol.Wt.: 293.3
Inv. Status: Custom Synthesis

Stable Isotopes and Metabolites

Azathioprine D3

Picture of Azathioprine D3
CAT No: SZ-A064D01
CAS No: NA
Mol.F. : C9H4D3N7O2S
Mol.Wt. : 280.3
Inv. Status: Custom Synthesis
Rel. CAS No : 446-86-6 (Unlabeled)
SZ-A064D01
CAS No:NA
Mol.F.: C9H4D3N7O2S
Mol.Wt.: 280.3
Inv. Status: Custom Synthesis
Rel. CAS No : 446-86-6 (Unlabeled)

Azathioprine-13C4

Picture of Azathioprine-13C4
CAT No: SZ-A064D02
CAS No: 1346600-71-2
Mol.F. : C513C4H7N7O2S
Mol.Wt. : 281.2
Inv. Status: Custom Synthesis
SZ-A064D02
CAS No:1346600-71-2
Mol.F.: C513C4H7N7O2S
Mol.Wt.: 281.2
Inv. Status: Custom Synthesis

Azathioprine-13C2-15N

Picture of Azathioprine-13C2-15N
CAT No: SZ-A064D03
CAS No: NA
Mol.F. : C713C2H7N615NO2S
Mol.Wt. : 280.2
Inv. Status: Custom Synthesis
SZ-A064D03
CAS No:NA
Mol.F.: C713C2H7N615NO2S
Mol.Wt.: 280.2
Inv. Status: Custom Synthesis

Possible Nitroso Standards

7-Nitroso-7H-purine-6-thiol

Picture of 7-Nitroso-7H-purine-6-thiol
CAT No: SZ-A064008
CAS No: NA
Mol.F. : C5H3N5OS
Mol.Wt. : 181.2
Inv. Status: Custom Synthesis
SZ-A064008
CAS No:NA
Mol.F.: C5H3N5OS
Mol.Wt.: 181.2
Inv. Status: Custom Synthesis

Azathioprine Nitroso Impurity

Picture of Azathioprine Nitroso Impurity
CAT No: SZ-A064010
CAS No: NA
Mol.F. : C9H6N8O3S
Mol.Wt. : 306.3
Inv. Status: Custom Synthesis
SZ-A064010
CAS No:NA
Mol.F.: C9H6N8O3S
Mol.Wt.: 306.3
Inv. Status: Custom Synthesis