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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]
QL201505
Letrozole Impurity 3
Molecular Formula: C8H6BrN
Molecular Weight: 196.04
CAS No.: 28188-41-2
QL201506
Letrozole Impurity F
Molecular Formula: C13H8Br2O
Molecular Weight: 340.01
CAS No.: 762689
QL201508
Letrozole Impurity 8
Molecular Formula: C8H6BrN
Molecular Weight: 196.04
CAS No.: 22115-41-9
QL201512
Letrozole Impurity 12
Molecular Formula: C8H7N
Molecular Weight: 117.15
CAS No.: 620-22-4
QL201513
Letrozole Impurity 13
Molecular Formula: C4H4BrNO2
Molecular Weight: 177.98
CAS No.: 128-08-5
QL201516
Letrozole Impurity 16
Molecular Formula: C8H7N
Molecular Weight: 117.15
CAS No.: 529-19-1
QL201519
Letrozole Impurity 19
Molecular Formula: C7H4FN
Molecular Weight: 121.11
CAS No.: 403-54-3
QL201521
Letrozole Impurity 21
Molecular Formula: C7H4FN
Molecular Weight: 121.11
CAS No.: 394-47-8
QL201522
Letrozole Impurity 22
Molecular Formula: C4H5NO2
Molecular Weight: 99.09
CAS No.: 123-56-8
QL201523
Letrozole Impurity 23
Molecular Formula: C17H12N4O2
Molecular Weight: 304.3
CAS No.: NA
QL201525
Letrozole Impurity 25
Molecular Formula: C15H8N2O
Molecular Weight: 232.24
CAS No.: 32446-66-5
QL201526
Letrozole Impurity 26
Molecular Formula: C17H13N5O
Molecular Weight: 303.32
CAS No.: 2500927-47-7
QL201527
Letrozole Impurity 27
Molecular Formula: C17H15N5O2
Molecular Weight: 321.33
CAS No.: 2170106-13-3
QL201528
Letrozole Impurity 28
Molecular Formula: C17H14N4O3
Molecular Weight: 322.32
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
QL201534
Letrozole Impurity 7
Molecular Formula: C15H10N2O
Molecular Weight: 234.25
CAS No.: 134521-16-7
QL201535
Letrozole Impurity 35
Molecular Formula: C18H14ClN5
Molecular Weight: 335.79
CAS No.: NA
QL201536
Letrozole Impurity 36
Molecular Formula: C8H6ClN
Molecular Weight: 151.59
CAS No.: 874-86-2
QL201537
Letrozole Impurity 37
Molecular Formula: C10H7ClN4
Molecular Weight: 218.64
CAS No.: 2451658-74-3
QL201538
Letrozole Impurity 38
Molecular Formula: C8H5Cl2N
Molecular Weight: 186.04
CAS No.: 74231-65-5
