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Letrozole Impurity Standards

Letrozole Impurity Standards

Letrozole impurity reference standards for pharmaceutical QC testing, method validation, and regulatory filing. Supplied with COA and MSDS by Allmpus Laboratories.

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Letrozole
Letrozole

Chemical Name: 4,4?-(1H-1,2,4-Triazol-1-ylmethylene)dib...

CAS No:
112809-51-5

Molecular Formula: C17H11N5

Molecular Weight: 285.3

CAT No:
ALL-LET-1

Keywords: Letrozole, 4,4?-(1H-1,2,4-Triazol-1-ylme...

Inventory Status:

COA MSDS
Letrozole EP Impurity A / Letrozole USP RC A / Iso Letrozole
Letrozole EP Impurity A / Letrozole USP RC A / Iso Letrozole

Chemical Name: 4,4?-(4H-1,2,4-Triazol-4-ylmethylene)dib...

CAS No:
112809-52-6

Molecular Formula: C17H11N5

Molecular Weight: 285.3

CAT No:
ALL-LET-2

Keywords: Letrozole EP Impurity A / Letrozole USP ...

Inventory Status:

COA MSDS
Letrozole EP Impurity B
Letrozole EP Impurity B

Chemical Name: 4,4?,4?-Methanetriyltribenzonitrile

CAS No:
113402-31-6

Molecular Formula: C22H13N3

Molecular Weight: 319.36

CAT No:
ALL-LET-3

Keywords: Letrozole EP Impurity B, 4,4?,4?-Methane...

Inventory Status:

COA MSDS