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Cefotaxime EP Impurity B
QCC Cat No.: QC202402
Chemical Name: Cefotaxime EP Impurity B
Synonyms: (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
CAS No.: 66340-28-1
Molecular Formula: C14H15N5O6S2
Molecular Weight: 413.43
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Standard Reference Material For "Cefotaxime 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
  • QC202473
    Cefotaxime Impurity 73
    CAS# NA
    M.F.: C28H30N10O11S4
    M.W.: 810.85
  • QC202472
    Cefotaxime Impurity 72
    CAS# NA
    M.F.: C31H34N10O13S4
    M.W.: 882.91
  • QC202471
    Cefotaxime Impurity 71
    CAS# NA
    M.F.: C31H34N10O13S4
    M.W.: 882.91
  • QC202470
    Cefotaxime Impurity 70
    CAS# NA
    M.F.: C27H26N10O11S4
    M.W.: 794.80
  • QC202469
    Cefotaxime Impurity 69
    CAS# NA
    M.F.: C29H28N10O12S4
    M.W.: 836.84
  • QC202468
    Cefotaxime Impurity 68
    CAS# NA
    M.F.: C7H10ClNO4
    M.W.: 207.61
  • QC202467
    Cefotaxime Impurity 67
    CAS# 64485-87-6
    M.F.: C7H10ClNO4
    M.W.: 207.61
  • QC202466
    Cefotaxime Impurity 66
    CAS# NA
    M.F.: C7H11NO4
    M.W.: 173.17
  • QC202465
    Cefotaxime Oxide Impurity 2
    CAS# NA
    M.F.: C16H17N5O8S2
    M.W.: 471.46
  • QC202464
    Cefotaxime Oxide Impurity 1
    CAS# NA
    M.F.: C16H17N5O8S2
    M.W.: 471.46
  • QC202463
    Cefotaxime Impurity 63
    CAS# NA
    M.F.: C13H15N5O4S2
    M.W.: 369.41
  • QC202462
    Cefotaxime Impurity 62
    CAS# NA
    M.F.: C32H32N10O13S4
    M.W.: 892.91
  • QC202461
    Cefotaxime Impurity 61
    CAS# NA
    M.F.: C31H34N10O13S4
    M.W.: 882.91
  • QC202460
    Cefotaxime Impurity 60
    CAS# NA
    M.F.: C15H13N3O3S3
    M.W.: 379.47
  • QC202459
    Cefotaxime Impurity 59
    CAS# 60846-14-2
    M.F.: C7H11NO4
    M.W.: 173.17
  • QC202458
    Cefotaxime Impurity 58
    CAS# NA
    M.F.: C21H18N6O5S4
    M.W.: 562.65
  • QC202457
    Cefotaxime Impurity 57
    CAS# NA
    M.F.: C14H15N5O6S2
    M.W.: 413.43
  • QC202456
    Cefotaxime Impurity 56
    CAS# NA
    M.F.: C22H22N8O9S3
    M.W.: 638.65
  • QC202455
    Cefotaxime Impurity 55
    CAS# NA
    M.F.: C14H15N5O6S2
    M.W.: 413.43
  • QC202454
    Cefotaxime Impurity 28
    CAS# NA
    M.F.: C14H15N5O6S2
    M.W.: 413.43
  • QC202453
    Cefotaxime Impurity 27
    CAS# NA
    M.F.: C16H16N5NaO7S2
    M.W.: 477.45
  • QC202452
    Cefotaxime Impurity 26
    CAS# NA
    M.F.: C16H16N5NaO7S2
    M.W.: 477.45
  • QC202451
    Cefotaxime Impurity 25
    CAS# NA
    M.F.: C21H18N6O5S4
    M.W.: 562.66
  • QC202450
    Cefotaxime Impurity 24
    CAS# NA
    M.F.: C16H16N5NaO7S2
    M.W.: 477.45
  • QC202449
    Cefotaxime Impurity 23
    CAS# NA
    M.F.: C16H16N5NaO7S2
    M.W.: 477.45
  • QC202448
    Cefotaxime Impurity 22
    CAS# NA
    M.F.: C22H22N8O9S3
    M.W.: 638.65
  • QC202447
    Cefotaxime Impurity 21
    CAS# NA
    M.F.: C14H15N5O6S2
    M.W.: 413.43
  • QC202446
    Cefotaxime Impurity 20
    CAS# NA
    M.F.: C14H15N5O6S2
    M.W.: 413.43
  • QC202445
    Cefotaxime Impurity 19
    CAS# NA
    M.F.: C14H14N5NaO6S2
    M.W.: 435.41
  • QC202444
    Cefotaxime Impurity 18
    CAS# 75679-12-8
    M.F.: C14H15N5O6S2
    M.W.: 413.43
  • QC202443
    Cefotaxime Impurity 17
    CAS# 83305-12-8
    M.F.: C15H16BrN3O8S
    M.W.: 478.27
  • QC202442
    Cefotaxime Impurity 16
    CAS# NA
    M.F.: C14H15N5O6S2
    M.W.: 413.43
  • QC202441
    Cefotaxime Impurity 15
    CAS# NA
    M.F.: C15H16BrN3O8S
    M.W.: 478.27
  • QC202440
    Cefotaxime Impurity 14
    CAS# NA
    M.F.: C14H15N5O6S2
    M.W.: 413.43
  • QC202439
    Cefotaxime Impurity 39
    CAS# 66341-09-1
    M.F.: C6H7N3O3S
    M.W.: 201.20
  • QC202437
    Cefotaxime Impurity 11
    CAS# NA
    M.F.: C32H34N10O14S4
    M.W.: 910.93
  • QC202436
    Cefotaxime Impurity 10
    CAS# NA
    M.F.: C26H27N7O11S3
    M.W.: 709.73
  • QC202435
    Cefotaxime Impurity 9
    CAS# NA
    M.F.: C15H19N5O6S2
    M.W.: 429.47
  • QC202434
    Cefotaxime Impurity 8
    CAS# NA
    M.F.: C16H19N5O8S2
    M.W.: 473.48
  • QC202433
    Cefotaxime Impurity 7
    CAS# NA
    M.F.: C36H32N4O7S2
    M.W.: 696.79
  • QC202431
    Cefotaxime Impurity 5
    CAS# 64485-89-8
    M.F.: C27H25N3O3S
    M.W.: 471.57
  • QC202430
    Cefotaxime Impurity 4
    CAS# 64485-88-7
    M.F.: C8H11N3O3S
    M.W.: 229.26
  • QC202429
    Cefotaxime Impurity 3
    CAS# NA
    M.F.: C7H10BrNO4
    M.W.: 252.06
  • QC202428
    Cefotaxime Impurity 2
    CAS# 66340-86-1
    M.F.: C7H11NO4
    M.W.: 173.17
  • QC202427
    Cefotaxime Impurity 1
    CAS# 5408-04-8
    M.F.: C6H9NO4
    M.W.: 159.14
  • QC202405
    Cefotaxime EP Impurity E;Ceftriaxone EP Impurity B
    CAS# 66340-33-8
    M.F.: C14H13N5O5S2
    M.W.: 395.41
  • QC202404
    Cefotaxime EP Impurity D Sodium Salt 
    CAS# 65715-12-0;63527-53-7(free base)
    M.F.: C16H16N5NaO7S2
    M.W.: 477.45
  • QC202403
    Cefotaxime EP Impurity C
    CAS# 66403-32-5
    M.F.: C17H17N5O8S2
    M.W.: 483.47
  • QC202401
    Cefotaxime EP Impurity A 
    CAS# 65052-63-3
    M.F.: C14H15N5O5S2
    M.W.: 397.42
  • QC202407
    Cefotaxime EP Impurity G
    CAS# NA
    M.F.: C22H22N8O9S3
    M.W.: 638.65
  • QC202406
    Cefotaxime EP Impurity F
    CAS# 175032-97-0
    M.F.: C30H30N10O12S4
    M.W.: 850.88
  • QC202400
    Cefotaxime Sodium
    CAS# 64485-93-4;63527-52-6(free base)
    M.F.: C16H16N5NaO7S2
    M.W.: 477.45
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