Riboflavin Impurity 7

CAS NO.:

Formula: C17H22N4O12P2

Weight: 536.327

Riboflavin Impurity 8

CAS NO.:

Formula: C17H20N4NaO9P

Weight: 478.33

Riboflavin Impurity 9

CAS NO.: 64480-68-8

Formula: C16H20N2O7

Weight: 352.34

Rilpivirine

CAS NO.: 500287-72-9

Formula: C22H18N6

Weight: 366.43

Rilpivirine Impurity 1

CAS NO.:

Formula: C11H7ClN4

Weight: 230.66

Rilpivirine Impurity 2 HCl

CAS NO.:

Formula: C11H12N2.HCl

Weight: 172.23 36.46

Roxithromycin EP Impurity B

CAS NO.: 214902-82-6

Formula: C33H62N2O12

Weight: 678.86

Roxithromycin EP Impurity C (Erythromycin A 9-Oxime (E-Isomer))

CAS NO.: 111321-02-9

Formula: C37H68N2O13

Weight: 748.95

Roxithromycin EP Impurity D

CAS NO.: 134931-00-3

Formula: C41H76N2O15

Weight: 837.06

Roxithromycin EP Impurity F

CAS NO.: 118267-18-8

Formula: C40H74N2O15

Weight: 823.03

Roxithromycin EP Impurity G

CAS NO.: 425365-64-6

Formula: C42H78N2O16

Weight: 867.08

Roxithromycin EP Impurity H

CAS NO.:

Formula: C41H76N2O14

Weight: 821.06

Roxithromycin EP Impurity I

CAS NO.: 425365-66-8

Formula: C45H84N2O17

Weight: 925.16

Roxithromycin EP Impurity I Trifluoroacetate

CAS NO.:

Formula: C45H84N2O17.C2HF3O2

Weight: 925.17 114.02

Roxithromycin EP Impurity J

CAS NO.: 134834-12-1

Formula: C40H73ClN2O14

Weight: 841.49

Roxithromycin EP Impurity K

CAS NO.:

Formula: C41H76N2O16

Weight: 853.06