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QL201558
Synonyms: 1-nitrosopyrrolidine-2,5-dione
Molecular Formula
C4H4N2O3
Molecular Weight
128.09
CAS No.
NA
QL201501
Letrozole EP Impurity A
Molecular Formula: C17H11N5
Molecular Weight: 285.3
CAS No.: 112809-52-6
QL201502
Letrozole EP Impurity B
Molecular Formula: C22H13N3
Molecular Weight: 319.36
CAS No.: 113402-31-6
QL201503
Letrozole Impurity 1
Molecular Formula: C17H11N5
Molecular Weight: 285.3
CAS No.: [NA]
QL201504
Letrozole Impurity 2
Molecular Formula: C17H11N5
Molecular Weight: 285.3
CAS No.: [NA]
QL201529
Letrozole Impurity C
Molecular Formula: C10H8N4
Molecular Weight: 184.2
CAS No.: 112809-25-3
QL201530
Letrozole Impurity 4
Molecular Formula: C18H13N5
Molecular Weight: 299.33
CAS No.: NA
QL201531
Letrozole Impurity 5
Molecular Formula: C17H13N3O4
Molecular Weight: 323.3
CAS No.: 1644566-39-1
QL201532
Letrozole Impurity 6
Molecular Formula: C26H18N6
Molecular Weight: 414.46
CAS No.: NA
QL201533
Letrozole Impurity D
Molecular Formula: C15H10N2
Molecular Weight: 218.25
CAS No.: 10466-37-2
