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Letrozole EP Impurity A
QCC Cat No.: QL201501
Chemical Name: Letrozole EP Impurity A
Synonyms: Iso Letrozole; Letrozole USP Impurity A; 4,4'-(1H-1,3,4-triazol-1-ylmethylene)dibenzonitrile
CAS No.: 112809-52-6
Molecular Formula: C17H11N5
Molecular Weight: 285.30
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Standard Reference Material For "Letrozole EP Impurity A"
Warning:The form of the product salt may be different from the official website,please consult your local agent for details.
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QCC CAT# COMPOUND ORDER
  • QL201558
    Letrozole Nitroso Impurity 1
    CAS# NA
    M.F.: C4H4N2O3
    M.W.: 128.09
  • QL201557
    Letrozole Impurity 57
    CAS# 1250126-45-4
    M.F.: C10H9N3O2
    M.W.: 203.20
  • QL201556
    Letrozole Impurity 56
    CAS# 1461654-89-6
    M.F.: C10H10N4O
    M.W.: 202.21
  • QL201555
    Letrozole Impurity 55
    CAS# 2500927-63-7
    M.F.: C17H13N5O
    M.W.: 303.32
  • QL201554
    Letrozole Impurity 54
    CAS# NA
    M.F.: C17H11N5O
    M.W.: 301.30
  • QL201553
    Letrozole Impurity 53
    CAS# NA
    M.F.: C17H11N5O2
    M.W.: 317.30
  • QL201552
    Letrozole Impurity 52
    CAS# 305861-48-7
    M.F.: C12H9N7
    M.W.: 251.25
  • QL201551
    Letrozole Impurity 51
    CAS# NA
    M.F.: C17H11N5O2
    M.W.: 317.30
  • QL201550
    Letrozole Impurity 50
    CAS# 67013-55-2
    M.F.: C8H5Br2N
    M.W.: 274.94
  • QL201549
    Letrozole Impurity 49
    CAS# NA
    M.F.: C19H16N4O2
    M.W.: 332.36
  • QL201548
    Letrozole Impurity 48
    CAS# 143030-54-0
    M.F.: C16H11BrN4
    M.W.: 339.19
  • QL201547
    Letrozole Impurity 47
    CAS# 46209-39-6
    M.F.: C9H8ClN3
    M.W.: 193.63
  • QL201546
    Letrozole Impurity 46
    CAS# 160388-64-7
    M.F.: C12H13N3O2
    M.W.: 231.25
  • QL201545
    Letrozole Impurity 45
    CAS# 870766-45-3
    M.F.: C11H11N3O2
    M.W.: 217.22
  • QL201544
    Letrozole Impurity 44
    CAS# NA
    M.F.: C10H10N4O
    M.W.: 202.21
  • QL201543
    Letrozole Impurity 43
    CAS# 876316-41-5
    M.F.: C10H8N4
    M.W.: 184.20
  • QL201542
    Letrozole Impurity 42
    CAS# 876728-37-9
    M.F.: C10H8N4
    M.W.: 184.20
  • QL201541
    Letrozole Impurity 41
    CAS# 84545-14-2
    M.F.: C8H8ClNO
    M.W.: 169.61
  • QL201540
    Letrozole Impurity 40
    CAS# NA
    M.F.: C18H14N4O2
    M.W.: 318.33
  • QL201539
    Letrozole Impurity 39
    CAS# 112809-27-5
    M.F.: C10H8N4
    M.W.: 184.20
  • QL201538
    Letrozole Impurity 38
    CAS# 74231-65-5
    M.F.: C8H5Cl2N
    M.W.: 186.04
  • QL201537
    Letrozole Impurity 37
    CAS# 2451658-74-3
    M.F.: C10H7ClN4
    M.W.: 218.64
  • QL201536
    Letrozole Impurity 36
    CAS# 874-86-2
    M.F.: C8H6ClN
    M.W.: 151.59
  • QL201535
    Letrozole Impurity 35
    CAS# NA
    M.F.: C18H14ClN5
    M.W.: 335.79
  • QL201528
    Letrozole Impurity 28
    CAS# NA
    M.F.: C17H14N4O3
    M.W.: 322.32
  • QL201527
    Letrozole Impurity 27
    CAS# 2170106-13-3
    M.F.: C17H15N5O2
    M.W.: 321.33
  • QL201526
    Letrozole Impurity 26
    CAS# 2500927-47-7
    M.F.: C17H13N5O
    M.W.: 303.32
  • QL201525
    Letrozole Impurity 25
    CAS# 32446-66-5
    M.F.: C15H8N2O
    M.W.: 232.24
  • QL201524
    Letrozole N-Oxide
    CAS# NA
    M.F.: C17H11N5O
    M.W.: 301.30
  • QL201523
    Letrozole Impurity 23
    CAS# NA
    M.F.: C17H12N4O2
    M.W.: 304.30
  • QL201522
    Letrozole Impurity 22
    CAS# 123-56-8
    M.F.: C4H5NO2
    M.W.: 99.09
  • QL201513
    Letrozole Impurity 13
    CAS# 128-08-5
    M.F.: C4H4BrNO2
    M.W.: 177.98
  • QL201521
    Letrozole Impurity 21
    CAS# 394-47-8
    M.F.: C7H4FN
    M.W.: 121.11
  • QL201519
    Letrozole Impurity 19
    CAS# 403-54-3
    M.F.: C7H4FN
    M.W.: 121.11
  • QL201516
    Letrozole Impurity 16
    CAS# 529-19-1
    M.F.: C8H7N
    M.W.: 117.15
  • QL201512
    Letrozole Impurity 12
    CAS# 620-22-4
    M.F.: C8H7N
    M.W.: 117.15
  • QL201508
    Letrozole Impurity 8
    CAS# 22115-41-9
    M.F.: C8H6BrN
    M.W.: 196.04
  • QL201505
    Letrozole Impurity 3
    CAS# 28188-41-2
    M.F.: C8H6BrN
    M.W.: 196.04
  • QL201534
    Letrozole Impurity 7
    CAS# 134521-16-7
    M.F.: C15H10N2O
    M.W.: 234.25
  • QL201506
    Letrozole Impurity F
    CAS# 3988-03-2
    M.F.: C13H8Br2O
    M.W.: 340.01
  • QL201533
    Letrozole Impurity D
    CAS# 10466-37-2
    M.F.: C15H10N2
    M.W.: 218.25
  • QL201532
    Letrozole Impurity 6
    CAS# NA
    M.F.: C26H18N6
    M.W.: 414.46
  • QL201531
    Letrozole Impurity 5
    CAS# 1644566-39-1
    M.F.: C17H13N3O4
    M.W.: 323.3
  • QL201530
    Letrozole Impurity 4
    CAS# NA
    M.F.: C18H13N5
    M.W.: 299.33
  • QL201529
    Letrozole Impurity C
    CAS# 112809-25-3
    M.F.: C10H8N4
    M.W.: 184.2
  • QL201504
    Letrozole Impurity 2
    CAS# [NA]
    M.F.: C17H11N5
    M.W.: 285.30
  • QL201503
    Letrozole Impurity 1
    CAS# [NA]
    M.F.: C17H11N5
    M.W.: 285.30
  • QL201500
    Letrozole
    CAS# 112809-51-5
    M.F.: C17H11N5
    M.W.: 285.30
  • QL201502
    Letrozole EP Impurity B
    CAS# 113402-31-6
    M.F.: C22H13N3
    M.W.: 319.36
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