Allopurinol EP Impurity A Hemisulphate

CAS NO.: 27511-79-1

Formula: C8H14N8O6S

Weight: 350.31

Allopurinol EP Impurity B

CAS NO.: 22407-20-1

Formula: C5H6N4O2

Weight: 154.13

Allopurinol EP Impurity C

CAS NO.: 1346604-13-4

Formula: C6H6N6O

Weight: 178.16

Allopurinol EP Impurity D

CAS NO.: 6994-25-8

Formula: C6H9N3O2

Weight: 155.16

Allopurinol EP Impurity F

CAS NO.: 321571-07-7

Formula: C12H14N4O4

Weight: 278.27

Allopurinol EP Impurity H

CAS NO.: 41621-10-7

Formula: C4H7N5O

Weight: 141.13

Allopurinol Impurity 1

CAS NO.: 1239694-08-6

Formula: C8H12N4O2

Weight: 196.21

Allopurinol Impurity 2

CAS NO.: 2185-02-6

Formula: C4H7NO2

Weight: 101.11

Allopurinol Impurity 3

CAS NO.: 2457-80-9

Formula: C11H15N5O3S

Weight: 297.33

Allopurinol EP Impurity E

CAS NO.: 31055-19-3

Formula: C7H9N3O3

Weight: 183.17

Alvimopan Impurity 1

CAS NO.: 131738-73-3

Formula: C9H11BrO

Weight: 215.09

Atracurium Besylate EP Impurity H

CAS NO.: 96946-44-0

Formula: C53H72N2O122+.C6H6O3S

Weight: 929.16 158.18

Atracurium Impurity 1

CAS NO.: 91950-41-3

Formula: C10H14O3S

Weight: 214.28

Atracurium Impurity 2 Iodide

CAS NO.: 2767988-76-9

Formula: C29H42NO7. I

Weight: 516.65 126.91

Adapalene

CAS NO.: 106685-40-9

Formula: C28H28O3

Weight: 412.53

Adapalene EP Impurity A

CAS NO.: 932033-58-4

Formula: C22H14O4

Weight: 342.35