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Zopiclone EP Impurity B
QCC Cat No.: QZ161503
Chemical Name: Zopiclone EP Impurity B
Synonyms: (RS)-6-(5-chloropyridin-2-yl)-7-hydroxy-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-one
CAS No.: 43200-81-3
Molecular Formula: C11H7ClN4O2
Molecular Weight: 262.65
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Standard Reference Material For "Zopiclone 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
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    Zopiclone Impurity 49
    CAS# 13606-92-3
    M.F.: C8H9ClN2O
    M.W.: 184.62
  • QZ161548
    Zopiclone Impurity 48
    CAS# 1122549-47-6
    M.F.: C11H8Cl2N4O
    M.W.: 283.11
  • QZ161547
    Zopiclone Impurity 47
    CAS# 59325-11-0
    M.F.: C8H16N2O2
    M.W.: 172.23
  • QZ161546
    Zopiclone Impurity 46
    CAS# NA
    M.F.: C11H11ClN4O2
    M.W.: 266.69
  • QZ161545
    N-Nitroso N-Demethyl Eszopiclone
    CAS# NA
    M.F.: C16H14ClN7O4
    M.W.: 403.78
  • QZ161544
    N-Nitroso N-Desmethyl Zopiclone
    CAS# NA
    M.F.: C16H14ClN7O4
    M.W.: 403.78
  • QZ161543
    Zopiclone Impurity 43
    CAS# NA
    M.F.: C6H6N2O4
    M.W.: 170.12
  • QZ161542
    Zopiclone Impurity 42
    CAS# NA
    M.F.: C17H19ClN6O3
    M.W.: 390.82
  • QZ161541
    Zopiclone Impurity 41
    CAS# NA
    M.F.: C17H17ClN6O3
    M.W.: 388.81
  • QZ161540
    Zopiclone Impurity 40
    CAS# NA
    M.F.: C16H10Cl2N6O2
    M.W.: 389.20
  • QZ161539
    Zopiclone Impurity 13
    CAS# 4180-30-7(free base)
    M.F.: C11H22N4O 2HCl
    M.W.: 226.32 72.92
  • QZ161538
    Zopiclone Impurity 12
    CAS# 45965-30-8
    M.F.: C7H7ClN2O
    M.W.: 170.60
  • QZ161537
    Zopiclone Impurity 11
    CAS# NA
    M.F.: C11H9ClN4O2
    M.W.: 264.67
  • QZ161536
    Zopiclone-d8
    CAS# 1215518-83-4
    M.F.: C17H9D8ClN6O3
    M.W.: 396.86
  • QZ161535
    Zopiclone Impurity 9
    CAS# NA
    M.F.: C23H29ClN8O4
    M.W.: 516.98
  • QZ161534
    Zopiclone Impurity 8
    CAS# 349125-10-6
    M.F.: C10H7ClN4O
    M.W.: 234.64
  • QZ161533
    Zopiclone Impurity 7
    CAS# 43200-82-4
    M.F.: C11H5ClN4O2
    M.W.: 260.64
  • QZ161532
    Zopiclone Impurity 6
    CAS# 43200-83-5
    M.F.: C11H7ClN4O3
    M.W.: 278.65
  • QZ161530
    Zopiclone Impurity 4
    CAS# 1348046-61-6
    M.F.: C17H18N6O3
    M.W.: 354.36
  • QZ161504
    Zopiclone EP Impurity C
    CAS# 148891-53-6
    M.F.: C11H7ClN4O
    M.W.: 246.65
  • QZ161529
    Zopiclone Impurity 3
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    M.F.: C21H23ClN6O5
    M.W.: 474.90
  • QZ161528
    Zopiclone Impurity 2
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    M.F.: C11H9ClN4O2
    M.W.: 264.67
  • QZ161502
    N-Desmethyl Zopiclone HCl
    CAS# 1216659-29-8
    M.F.: C16H15ClN6O3.HCl
    M.W.: 374.78 36.46
  • QZ161527
    Zopiclone Impurity 1
    CAS# 1072-98-6
    M.F.: C5H5ClN2
    M.W.: 128.56
  • QZ161501
    Zopiclone EP Impurity A ;Zopiclone N-oxide
    CAS# 43200-96-0
    M.F.: C17H17ClN6O4
    M.W.: 404.81
  • QE192627
    Eszopiclone D8
    CAS# 1093385-24-0
    M.F.: C17H9ClN6O3D8
    M.W.: 396.86
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