CAS Number: N/A

Alternate CAS#:

Chemical Name: Cefradine Impurity 4

Molecular Formula: C21H27N3O5S

Molecular Weight: 433.52

CAS Number: 1379292-16-6 (free base)

Alternate CAS#:

Chemical Name: Cefradine Impurity 3 (2-Amino-2-Cyclohex-1-enyl-Propionic Acid Methyl Ester) HCl

Molecular Formula: C10H17NO2. HCl

Molecular Weight: 183.25 36.46

CAS Number: N/A

Alternate CAS#:

Chemical Name: Cefradine Impurity 2

Molecular Formula: C9H13NO2. HCl

Molecular Weight: 167.21 36.46

CAS Number: 37051-00-6

Alternate CAS#:

Chemical Name: Cefradine Impurity 1

Molecular Formula: C16H21N3O4S

Molecular Weight: 351.43

CAS Number: 38821-53-3 (non-d)

Alternate CAS#:

Chemical Name: Cefradine-d5

Molecular Formula: C16H14D5N3O4S

Molecular Weight: 354.44

CAS Number: 38821-53-3

Alternate CAS#:

Chemical Name: Cefradine

Molecular Formula: C16H19N3O4S

Molecular Weight: 349.41

CAS Number: N/A

Alternate CAS#:

Chemical Name: Cefixime Impurity B (E-isomer)

Molecular Formula: C15H17N5O6S2

Molecular Weight: 427.45

CAS Number: N/A

Alternate CAS#:

Chemical Name: Cefixime impurity A

Molecular Formula: C16H17N5O8S2

Molecular Weight: 471.46

CAS Number: 108615-31-2 (free acid)

Alternate CAS#:

Chemical Name: Cefixime Impurity 9

Molecular Formula: C16H17N5O8S2

Molecular Weight: 471.46

CAS Number: N/A

Alternate CAS#:

Chemical Name: Cefixime Impurity 8

Molecular Formula: C16H15N5O7S2

Molecular Weight: 453.44

CAS Number: N/A

Alternate CAS#:

Chemical Name: Cefixime Impurity 7

Molecular Formula: C16H17N5O8S2

Molecular Weight: 471.46

CAS Number: N/A

Alternate CAS#:

Chemical Name: Cefixime Impurity 6

Molecular Formula: C16H15N5O7S2

Molecular Weight: 453.44