Ertapenem Impurity 8

CAS NO.:

Formula: C44H50N6O14S2

Weight: 951.03

Ertapenem Impurity 9

CAS NO.: 402955-37-7

Formula: C44H48N6O13S2

Weight: 933.02

Ertapenem Impurity 10

CAS NO.: 1199797-43-7

Formula: C44H48N6O13S2

Weight: 933.02

Ertapenem Impurity 11

CAS NO.:

Formula: C29H32N4O7S

Weight: 580.66

Ertapenem Impurity 12

CAS NO.:

Formula: C24H30N4O6S

Weight: 502.59

Erythromycin (Roxithromycin EP Impurity A)

CAS NO.: 114-07-8

Formula: C37H67NO13

Weight: 733.94

Erythromycin A 9-Oxime (Z-Isomer)

CAS NO.:

Formula: C37H68N2O13

Weight: 748.95

Erythromycin A 9-Oxime (Mixture of Z and E Isomers)

CAS NO.: 13127-18-9

Formula: C37H68N2O13

Weight: 748.95

Erythromycin EP Impurity B

CAS NO.: 992-62-1

Formula: C36H65NO13

Weight: 719.91

Erythromycin B

CAS NO.: 527-75-3

Formula: C37H67NO12

Weight: 717.95

Erythromycin C

CAS NO.: 1675-02-1

Formula: C36H65NO13

Weight: 719.91

Erythromycin EP Impurity D (Anhydroerythromycin A)

CAS NO.: 23893-13-2

Formula: C37H65NO12

Weight: 715.92

Erythromycin EP Impurity E (Erythromycin A Enol Ether)

CAS NO.: 33396-29-1

Formula: C37H65NO12

Weight: 715.92

Erythromycin EP Impurity F

CAS NO.: 105882-69-7

Formula: C37H65NO12

Weight: 715.92

Erythromycin EP Impurity G

CAS NO.:

Formula: C42H73NO16

Weight: 848.04

Erythromycin EP Impurity H (Erythromycin A N-Oxide)

CAS NO.: 992-65-4

Formula: C37H67NO14

Weight: 749.94