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CEFAZOLIN

C-9616

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Catalogue Number:	C-9616
Compound Name:	Cefazolin Impurity 37
Synonyms:	N-(2-oxoethyl)-2-(1H-tetrazol-1-yl)acetamide and N-(2,2-dihydroxyethyl)-2-(1H-tetrazol-1-yl)acetamide
CAS#:	1675245-47-2 (hydrate), 1797135-60-4 (aldehyde)
Alternate CAS#:
Molecular Formula:	C₅H₇N₅O₂. C₅H₉N₅O₃
Molecular Weight:	169.14 187.16

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C-961

Cefazolin Sodium Salt

Cefazolin Sodium Salt

CAS No. 27164-46-1

C14H13N8O4S3. Na

M.W. 453.50 22.99

C-962

Cefazolin Sodium Salt

Cefazolin EP Impurity K (Mixture of Diastereomers)

CAS No. 1322626-65-2

C₁₄H₁₅N₉O₃S₃

M.W. 453.50

C-963

Cefazolin Sodium Salt

Cefazolin Impurity 27

C₁₄H₁₆N₈O₅S₃

M.W. 472.53

C-964

Cefazolin Sodium Salt

Cefazolin Impurity 26

C₁₁H₁₄N₆O₆S

M.W. 358.33

C-965

Cefazolin Sodium Salt

Cefazolin-d2-15N

C14H12N8O4S3D2

M.W. 457.52

C-966

Cefazolin Sodium Salt

Cefazolin-13C2-15N

CAS No. 2101505-58-0

C₁₂¹³C₂H₁₄N₇¹⁵NO₄S₃

M.W. 457.48

C-968

Cefazolin Sodium Salt

Cefazolin EP Impurity G

CAS No. 1172998-53-6

C₁₁H₁₀N₆O₄S

M.W. 322.30

C-967

Cefazolin Sodium Salt

Cefazolin EP Impurity B

CAS No. 2384108-14-7

C₁₆H₂₀N₄O₄S₃

M.W. 428.54

C-969

Cefazolin Sodium Salt

Cefazolin EP Impurity E

CAS No. 29490-19-5

C₃H₄N₂S₂

M.W. 132.21

C-9610

Cefazolin Sodium Salt

Cefazolin Impurity 10

CAS No. 21732-17-2

C₃H₄N₄O₂

M.W. 128.09

C-9611

Cefazolin Sodium Salt

Cefazolin EP Impurity A

CAS No. 30246-33-4

C₁₁H₁₂N₄O₃S₃

M.W. 344.44

C-9612

Cefazolin Sodium Salt

Cefazolin EP Impurity D Sodium Salt

CAS No. 27164-45-0

C₁₃H₁₃N₆O₆S. Na

M.W. 381.35 22.99

C-9613

Cefazolin Sodium Salt

Cefazolin EP Impurity C

CAS No. 56842-77-4

C₁₁H₁₂N₆O₄S

M.W. 324.32

C-9640

Cefazolin Sodium Salt

Cefazolin Enantiomer

C₈H₁₀N₂O_{4/_S}

M.W. 230.24

C-9614

Cefazolin Sodium Salt

Cefazolin 3-Hydroxymethyl Impurity Sodium Salt

CAS No. 50971-65-8

C₁₁H₁₁N₆O₅S. Na

M.W. 339.31 22.99

C-9615

Cefazolin Sodium Salt

Cefazolin delta-4 Impurity

CAS No. N/A

C11H16N8O5S3

M.W. 472.53

C-9617

Cefazolin Sodium Salt

Cefazolin Impurity 1

C13H17N3O7S

M.W. 359.36

C-9618

Cefazolin Sodium Salt

Cefazolin Impurity 2

C13H17N3O6S

M.W. 343.36

C-9619

Cefazolin Sodium Salt

Cefazolin EP Impurity H (Cefalotin EP Impurity C, Cefoperazone EP Impurity E, 7-Aminocephalosporanic Acid)

CAS No. 957-68-6

C₁₀H₁₂N₂O₅S

M.W. 272.28

C-9620

Cefazolin Sodium Salt

Cefazolin delta-3 Impurity

CAS No. N/A

C14H16N8O5S3

M.W. 472.53

C-9621

Cefazolin Sodium Salt

Cefazolin EP Impurity L

C₁₄H₁₄N₈O₄S₃

M.W. 454.51

C-9622

Cefazolin Sodium Salt

Tetrazolyl Acetamide Diethyl Acetal

C9H17N5O3

M.W. 243.27

C-9623

Cefazolin Sodium Salt

Cefazolin Related Compound D (Cefazolin open-ring lactone)

C₁₁H₁₂N₆O₅S

M.W. 340.31

C-9624

Cefazolin Sodium Salt

Cefazolin Impurity 4 (Dimeric 7-ACA)

C₁₈H₂₀N₄O₈S

M.W. 484.50

C-9625

Cefazolin Sodium Salt

Cefazolin EP Impurity J

CAS No. 1675245-00-7

C₁₁H₁₂N₆O₅S

M.W. 340.31

C-9626

Cefazolin Sodium Salt

Cefazolin Impurity 6

CAS No. 66636-33-7

C14H20N4O3S3Si

M.W. 416.60

C-9627

Cefazolin Sodium Salt

Cefazolin Impurity 7 (Cefazolin Trimethylsilyl Ester)

CAS No. 1072000-00-0

C17H22N8O4S3Si

M.W. 526.68

C-9628

Cefazolin Sodium Salt

Cefazolin Sodium EP Impurity I

C14H16N8O5S3

M.W. 472.53

C-9629

Cefazolin Sodium Salt

Cefazolin Impurity 8

C14H14N8O4S3

M.W. 454.50

C-9630

Cefazolin Sodium Salt

Cefazolin Impurity 9

C14H14N8O4S3

M.W. 454.50

C-9631

Cefazolin Sodium Salt

Cefazolin Impurity 11

CAS No. 1809086-26-7

C₇H₁₃N₅O₃

M.W. 215.21

C-9632

Cefazolin Sodium Salt

Cefazolin Impurity 12

C8H12N4O4

M.W. 228.21

C-9633

Cefazolin Sodium Salt

Cefazolin Impurity 13

C28H30N16O9S6

M.W. 927.01

C-9634

Cefazolin Sodium Salt

Cefazolin Impurity 14

C28H30N16O9S6

M.W. 927.01

C-9635

Cefazolin Sodium Salt

Cefazolin Impurity 15

C28H28N16O8S6

M.W. 909.00

C-9636

Cefazolin Sodium Salt

Cefazolin Impurity 16

C25H24N12O6S6

M.W. 780.91

C-9637

Cefazolin Sodium Salt

Cefazolin Impurity 17

CAS No. 38509-92-1

C3H5N2OS2. K

M.W. 149.21 39.10

C-9638

Cefazolin Sodium Salt

Cefazolin Impurity 18

C5H9NO3

M.W. 131.13

C-9639

Cefazolin Sodium Salt

Cefazolin Impurity 19

C14H14N8O5S3

M.W. 470.50

C-9641

Cefazolin Sodium Salt

Cefazolin Impurity 20 Trifluoroacetate Salt

C₂₀H₂₂N₄O₉S₂. C₂HF₃O₂

M.W. 526.54 114.02

C-9642

Cefazolin Sodium Salt

Cefazolin Impurity 21

C₁₁H₁₃N₅O₂S₃

M.W. 343.44

C-9643

Cefazolin Sodium Salt

Cefazolin Impurity 22

C₁₃H₁₅N₇O₅S

M.W. 381.37

C-9644

Cefazolin Sodium Salt

Cefazolin Impurity 23

CAS No. 152541-04-3

C₈H₁₂N₂OS₂

M.W. 216.32

C-9645

Cefazolin Sodium Salt

Cefazolin Impurity 24 DiHCl

C₁₁H₁₄N₄O₄S₃. 2 HCl

M.W. 362.44 2*36.46

C-9646

Cefazolin Sodium Salt

Cefazolin Impurity 25

C₁₁H₁₂N₄O₃S₃

M.W. 344.42

C-9648

Cefazolin Sodium Salt

Cefazolin Impurity 28

C₁₇H₁₉N₅O₆S₃. 2Na

M.W. 85.55 2*22.99

C-9649

Cefazolin Sodium Salt

Cefazolin Impurity 29

C₁₀H₁₃N₃O₄S

M.W. 271.29

C-9650

Cefazolin Sodium Salt

Cefazolin Impurity 30

C₈H₁₂N₂OS₂

M.W. 216.32

C-9651

Cefazolin Sodium Salt

Cefazolin Impurity 31

CAS No. 1849362-11-3

C₅H₉N₅O

M.W. 155.16

C-9652

Cefazolin Sodium Salt

Cefazolin Impurity 32 Ammonium Salt

CAS No. 1342821-58-2

C₃H₅N₂OS₂. NH₄

M.W. 149.21 18.04

C-9653

Cefazolin Sodium Salt

Cefazolin Impurity 33

CAS No. 56158-48

C₄H₉NOS₂

M.W. 151.24

C-9654

Cefazolin Sodium Salt

Cefazolin EP Impurity K (Cefazolinamide)

CAS No. 2410652-70-7

C₁₄H₁₅N₉O₃S₃

M.W. 453.51

C-9655

Cefazolin Sodium Salt

Cefazolin Impurity 34

C₁₄H₁₇N₉O₄S₃

M.W. 471.53

C-9656

Cefazolin Sodium Salt

Cefazolin Impurity 35

CAS No. 1675244-99-1

C₁₄H₁₆N₈O₅S₃

M.W. 472.51

C-9657

Cefazolin Sodium Salt

Cefazolin Impurity 36 Sodium Salt

CAS No. 27164-45-0

C₁₃H₁₃N₆O₆S. Na

M.W. 381.34 22.99

C-9658

Cefazolin Sodium Salt

Cefazolin Impurity 38

C₁₄H₁₅N₉O₃S₃

M.W. 453.51

C-9659

Cefazolin Sodium Salt

Cefazolin Impurity 39

C25H26N14O9S4

M.W. 794.81

C-9660

Cefazolin Sodium Salt

Cefazolin Impurity 40

C₂₅H₂₆N₁₄O₉S₄

M.W. 794.81

C-9661

Cefazolin Sodium Salt

Cefazolin Impurity 41

C₁₄H₁₄N₈O₄S₃

M.W. 454.50

C-9662

Cefazolin Sodium Salt

Cefazolin Impurity 42

C₂₅H₂₆N₁₄O₉S₄

M.W. 794.81

C-9663

Cefazolin Sodium Salt

Cefazolin Impurity 43

CAS No. 66666-63-5

C₆H₆N₄S₄

M.W. 262.38

C-9664

Cefazolin Sodium Salt

Cefazolin Impurity 44

CAS No. 20198-75-8

C₄H₈N₂OS₂

M.W. 164.24

C-9665

Cefazolin Sodium Salt

Cefoxazole

CAS No. 36920-48-6

C₂₁H₁₈ClN₃O₇S

M.W. 491.90

C-9666

Cefazolin Sodium Salt

Cefazolin Impurity 45

C₁₃H₁₄N₆O₆S

M.W. 382.35

C-9667

Cefazolin Sodium Salt

Cefazolin Impurity 46 HCl

CAS No. 53116-43-1

C₁₄H₁₃N₃O₆S. HCl

M.W. 351.33 36.46

C-9668

Cefazolin Sodium Salt

Cefazolin EP Impurity D

CAS No. 32510-61-5

C₁₃H₁₄N₆O₆S

M.W. 382.35

C-9669

Cefazolin Sodium Salt

Cefazolin Impurity 47

C₁₈H₂₂N₈O₆S₄

M.W. 574.66

C-9670

Cefazolin Sodium Salt

Cefazolin Impurity 48

C₂₉H₃₄N₁₄O₁₁S₅

M.W. 914.98

C-9671

Cefazolin Sodium Salt

Cefazolin Impurity 49

C₁₉H₂₀N₈O₇S₄

M.W. 600.66

C-9672

Cefazolin Sodium Salt

Cefazolin Impurity 50

C₁₉H₂₀N₈O₇S₄

M.W. 600.66