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Ketotifen EP Impurity B
QCC Cat No.: QK202002
Chemical Name: Ketotifen EP Impurity B
Synonyms: 10-methoxy-4-(1-methylpiperidin-4-yl)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ol
CAS No.: 59743-88-3
Molecular Formula: C20H23NO2S
Molecular Weight: 341.47
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Standard Reference Material For "Ketotifen EP Impurity B"
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
  • QK202023
    Ketotifen Impurity 23
    CAS# NA
    M.F.: C19H15NO2S
    M.W.: 321.39
  • QK202022
    Ketotifen Impurity 22
    CAS# NA
    M.F.: C18H15NO6S
    M.W.: 373.38
  • QK202021
    Ketotifen Impurity 21
    CAS# NA
    M.F.: C18H15NO5S
    M.W.: 357.38
  • QK202020
    Ketotifen Impurity 20
    CAS# NA
    M.F.: C18H15NO4S
    M.W.: 341.38
  • QK202019
    Ketotifen Impurity 19
    CAS# 111428-56-9
    M.F.: C14H9BrO2S
    M.W.: 321.19
  • QK202018
    Ketotifen Impurity 18
    CAS# 4506-53-0
    M.F.: C13H8OS
    M.W.: 212.27
  • QK202017
    Ketotifen Impurity 17
    CAS# NA
    M.F.: C13H7BrOS
    M.W.: 291.16
  • QK202016
    Ketotifen Impurity 16
    CAS# 34580-11-5
    M.F.: C13H7BrOS
    M.W.: 291.16
  • QK202015
    Ketotifen Impurity 15
    CAS# 57568-63-5
    M.F.: C13H7BrOS
    M.W.: 291.16
  • QK202014
    Ketotifen Impurity 14
    CAS# NA
    M.F.: C19H13NO2S
    M.W.: 319.38
  • QK202013
    Ketotifen Impurity 13
    CAS# NA
    M.F.: C19H19NO3S
    M.W.: 341.43
  • QN151101
    N-Nitroso Norketotifen
    CAS# NA
    M.F.: C18H16N2O2S
    M.W.: 324.40
  • QK202012
    Ketotifen Impurity 12
    CAS# NA
    M.F.: C19H19NOS HCl
    M.W.: 309.43 36.46
  • QK202011
    Ketotifen Impurity 11
    CAS# NA
    M.F.: C19H19NOS HCl
    M.W.: 309.43 36.46
  • QK202010
    Ketotifen Impurity 10
    CAS# 59743-84-9
    M.F.: C14H10O2S
    M.W.: 242.29
  • QN151100
    Norketotifen monofumarate
    CAS# 930765-16-5;1227458-03-8(HCl salt)
    M.F.: C18H17NOS C4H4O4
    M.W.: 295.40 116.07
  • QK202000
    Ketotifen
    CAS# 34580-13-7;34580-14-8(fumarate salt)
    M.F.: C19H19NOS
    M.W.: 309.43
  • QK202007
    Ketotifen EP Impurity G
    CAS# 43076-16-0
    M.F.: C19H17NO2S
    M.W.: 323.41
  • QK202006
    Ketotifen EP Impurity F
    CAS# 34580-09-1
    M.F.: C19H19NOS
    M.W.: 309.43
  • QK202005
    Ketotifen EP Impurity E
    CAS# 1346603-71-1
    M.F.: C19H19NOS
    M.W.: 309.43
  • QK202004
    Ketotifen EP Impurity D
    CAS# 88456-70-6
    M.F.: C19H19NO2S
    M.W.: 325.42
  • QK202003
    Ketotifen EP Impurity C
    CAS# 126939-27-3
    M.F.: C19H21NO2S
    M.W.: 327.44
  • QK202001
    Ketotifen EP Impurity A
    CAS# 4673-38-5
    M.F.: C19H19NS
    M.W.: 293.43
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