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Cefazolin EP Impurity B
QCC Cat No.: QC062714
Chemical Name: Cefazolin EP Impurity B
Synonyms: (6R,7R)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-7-pivalamido-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
CAS No.: 2384108-14-7
Molecular Formula: C16H20N4O4S3
Molecular Weight: 428.55
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Standard Reference Material For "Cefazolin 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
  • QC062769
    Cefazolin Impurity 69
    CAS# NA
    M.F.: C19H20N6O6S4
    M.W.: 556.65
  • QC062768
    Cefazolin Impurity 68
    CAS# NA
    M.F.: C28H28N16O8S6
    M.W.: 909.00
  • QC062767
    Cefazolin Impurity 67
    CAS# NA
    M.F.: C25H26N14O9S4
    M.W.: 794.81
  • QC062766
    Cefazolin Impurity 66
    CAS# NA
    M.F.: C11H12N4O3S3
    M.W.: 344.42
  • QC062765
    Cefazolin Impurity 65
    CAS# NA
    M.F.: C11H12N4O3S3
    M.W.: 344.42
  • QC062764
    Cefazolin Impurity 64
    CAS# 26476-16-4
    M.F.: C3H5N5O
    M.W.: 127.11
  • QC062763
    Cefazolin Impurity 63
    CAS# NA
    M.F.: C11H12N6O5S
    M.W.: 340.31
  • QC062762
    Cefazolin Impurity 62
    CAS# NA
    M.F.: C14H16N8O5S3
    M.W.: 472.51
  • QC062761
    Cefazolin Impurity 61
    CAS# NA
    M.F.: C25H26N14O9S4
    M.W.: 794.81
  • QC062760
    Cefazolin Impurity 60
    CAS# NA
    M.F.: C14H16N8O5S3
    M.W.: 472.51
  • QC062759
    Cefazolin Impurity 59
    CAS# NA
    M.F.: C25H26N14O9S4
    M.W.: 794.81
  • QC062758
    Cefazolin Impurity 58
    CAS# 21743-75-9
    M.F.: C3H4N4O2
    M.W.: 128.09
  • QC062757
    Cefazolin Impurity 57
    CAS# NA
    M.F.: C8H7NO3
    M.W.: 165.15
  • QC062756
    Cefazolin Impurity 56
    CAS# NA
    M.F.: C14H16N8O5S3
    M.W.: 472.52
  • QC062755
    Cefazolin Impurity 55
    CAS# 1797135-60-4
    M.F.: C5H7N5O2
    M.W.: 169.14
  • QC062754
    Cefazolin Impurity 54
    CAS# 1322626-65-2
    M.F.: C14H15N9O3S3
    M.W.: 453.52
  • QC062753
    Cefazolin Impurity 53
    CAS# NA
    M.F.: C6H6N4S4
    M.W.: 262.40
  • QC062752
    Cefazolin Impurity 52
    CAS# NA
    M.F.: C6H6N4S3
    M.W.: 230.33
  • QC062751
    Cefazolin Impurity 51
    CAS# NA
    M.F.: C8H11N3O3S
    M.W.: 229.26
  • QC062750
    Cefazolin Impurity 50
    CAS# 26240-90-4
    M.F.: C5H8N4O2
    M.W.: 156.14
  • QC062749
    Cefazolin Impurity 49
    CAS# NA
    M.F.: C14H17N9O4S3
    M.W.: 471.54
  • QC062748
    Cefazolin Impurity 48
    CAS# NA
    M.F.: C11H12N4O4S3
    M.W.: 360.43
  • QC062747
    Cefazolin Impurity 47
    CAS# NA
    M.F.: C11H13N5O2S3
    M.W.: 343.45
  • QC062746
    Cefazolin-13C2-15N
    CAS# NA
    M.F.: C1213C2H14N715NO4S3
    M.W.: 457.49
  • QC062745
    Cefazolin Impurity 45
    CAS# NA
    M.F.: C11H14N4O4S3
    M.W.: 362.45
  • QC062744
    Cefazolin Impurity 44
    CAS# NA
    M.F.: C8H12N2OS2
    M.W.: 216.32
  • QC062743
    Cefazolin Impurity 43
    CAS# NA
    M.F.: C13H15N7O5S
    M.W.: 381.37
  • QC062742
    Cefazolin Impurity 42
    CAS# 21743-64-6
    M.F.: C3H4N4O2
    M.W.: 128.09
  • QC062741
    Cefazolin Impurity 41
    CAS# 43194-95-2
    M.F.: C8H12N4O3
    M.W.: 212.21
  • QC062740
    Cefazolin Impurity 40
    CAS# NA
    M.F.: C5H9N5O
    M.W.: 155.16
  • QC062739
    Cefazolin Impurity 39
    CAS# NA
    M.F.: C8H12N2OS2
    M.W.: 216.32
  • QC062738
    Cefazolin Impurity 38
    CAS# NA
    M.F.: C10H13N3O4S
    M.W.: 271.29
  • QC062737
    Cefazolin Impurity 37
    CAS# 51500-15-3
    M.F.: C17H21N5O6S3
    M.W.: 487.57
  • QC062736
    Cefazolin Impurity 36
    CAS# 5456-21-3
    M.F.: CH4N2S2 NH3
    M.W.: 108.19 17.03
  • QC062735
    Cefazolin Impurity 35
    CAS# 93409-13-3;1342821-58-2(ammonium salt)
    M.F.: C3H6N2OS2
    M.W.: 150.21
  • QC062734
    Cefazolin Impurity 34
    CAS# NA
    M.F.: C25H24N12O6S6
    M.W.: 780.92
  • QC062733
    Cefazolin Impurity 33
    CAS# NA
    M.F.: C25H24N12O6S6
    M.W.: 780.92
  • QC062732
    Cefazolin Impurity 32
    CAS# NA
    M.F.: C25H24N12O6S6
    M.W.: 780.92
  • QC062731
    Cefazolin Impurity 31
    CAS# NA
    M.F.: C14H14N8O5S3
    M.W.: 470.50
  • QC062730
    Cefazolin Impurity 30
    CAS# NA
    M.F.: C14H19N3O7S
    M.W.: 373.38
  • QC062729
    Cefazolin Impurity 29
    CAS# NA
    M.F.: C14H16N8O5S3
    M.W.: 472.52
  • QC062728
    Cefazolin EP Impurity E
    CAS# 29490-19-5
    M.F.: C3H4N2S2
    M.W.: 132.21
  • QC062727
    Cefazolin Impurity 1
    CAS# 2416213-67-5
    M.F.: C18H20N4O8S2
    M.W.: 484.50
  • QC062726
    Cefazolin Impurity 26
    CAS# NA
    M.F.: C14H16N8O5S3
    M.W.: 472.52
  • QC062725
    Cefazolin EP Impurity I
    CAS# NA
    M.F.: C14H16N8O5S3
    M.W.: 472.52
  • QC062724
    Cefazolin Impurity 24
    CAS# NA
    M.F.: C11H12N6O5S
    M.W.: 340.32
  • QC062723
    Cefazolin Impurity 23
    CAS# NA
    M.F.: C14H14N8O4S3
    M.W.: 454.51
  • QC062722
    Cefazolin Impurity 22
    CAS# NA
    M.F.: C14H14N8O4S3
    M.W.: 454.51
  • QC062721
    Cefazolin EP Impurity L
    CAS# NA
    M.F.: C14H14N8O4S3
    M.W.: 454.51
  • QC062719
    Cefazolin EP Impurity J
    CAS# 1675245-00-7
    M.F.: C11H12N6O5S
    M.W.: 340.32
  • QC062704
    Cefazolin Impurity D
    CAS# NA
    M.F.: C11H12N6O5S
    M.W.: 340.32
  • QC061705
    Cefoperazone EP Impurity E;
    Cefazolin EP Impurity H;
    Cefalotin Sodium EP Impurity C
    CAS# 957-68-6
    M.F.: C10H12N2O5S
    M.W.: 272.28
  • QC062715
    Cefazolin EP Impurity K
    CAS# 2410652-70-7
    M.F.: C14H15N9O3S3
    M.W.: 453.52
  • QC062718
    Cefazolin Impurity 18
    CAS# NA
    M.F.: C14H16N8O5S3
    M.W.: 472.52
  • QC062711
    Cefazolin EP Impurity A
    CAS# 30246-33-4
    M.F.: C11H12N4O3S3
    M.W.: 344.43
  • QC062710
    Cefazolin EP Impurity D
    CAS# 32510-61-5
    M.F.: C13H14N6O6S
    M.W.: 382.35
  • QC062709
    Cefazolin EP Impurity G
    CAS# 1172998-53-6
    M.F.: C11H10N6O4S
    M.W.: 322.30
  • QC062708
    Cefazolin EP Impurity C
    CAS# 56842-77-4
    M.F.: C11H12N6O4S
    M.W.: 324.32
  • QC062705
    Cefazolin Impurity E
    CAS# 478494-71-2
    M.F.: C11H12N6O5S
    M.W.: 340.32
  • QC062702
    Cefazolin Tetrazolyl acetamide acetal
    CAS# 1797135-60-4; 1675245-47-2
    M.F.: C5H7N5O2/C5H9N5O3
    M.W.: 169.14/187.16
  • QC062701
    Cefazolin Tetrazolylacetic acid
    CAS# 21732-17-2
    M.F.: C3H4N4O2
    M.W.: 128.09
  • QC261200NA
    Cefazolin Sodium
    CAS# 27164-46-1;25953-19-9(free base)
    M.F.: C14H13N8NaO4S3
    M.W.: 476.49
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