CAS Number: N/A

Alternate CAS#:

Chemical Name: Levothyroxine Impurity 23

Molecular Formula: C21H14I5NO5

Molecular Weight: 994.87

CAS Number: N/A

Alternate CAS#:

Chemical Name: Levothyroxine Impurity 22 (O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodo-hydroxy-l-tyrosine)

Molecular Formula: C15H11I4NO5

Molecular Weight: 792.88

CAS Number: 107849-54-7

Alternate CAS#:

Chemical Name: Levothyroxine Impurity 21

Molecular Formula: C15H11I4NO5

Molecular Weight: 792.87

CAS Number: N/A

Alternate CAS#:

Chemical Name: Levothyroxine Impurity 19

Molecular Formula: C15H10I3NO5

Molecular Weight: 664.96

CAS Number: N/A

Alternate CAS#:

Chemical Name: Levothyroxine Impurity 18

Molecular Formula: C25H19I6NO6

Molecular Weight: 1190.85

CAS Number: 3914-31-6

Alternate CAS#:

Chemical Name: Levothyroxine Impurity 17

Molecular Formula: C15H11I3O4

Molecular Weight: 635.96

CAS Number: 3006-01-7

Alternate CAS#:

Chemical Name: Levothyroxine Impurity 16

Molecular Formula: C19H18I3NO5

Molecular Weight: 721.07

CAS Number: N/A

Alternate CAS#:

Chemical Name: Levothyroxine Impurity 15

Molecular Formula: C19H19I2NO5

Molecular Weight: 595.17

CAS Number: 854646-83-6

Alternate CAS#:

Chemical Name: Levothyroxine Impurity 14

Molecular Formula: C8H7I2NO3

Molecular Weight: 418.96

CAS Number: 176258-89-2

Alternate CAS#:

Chemical Name: Levothyroxine Impurity 12

Molecular Formula: C14H10I4O2

Molecular Weight: 717.85

CAS Number: 1155-40-4

Alternate CAS#:

Chemical Name: Levothyroxine Impurity 11

Molecular Formula: C14H10I2O4

Molecular Weight: 496.04

CAS Number: 909279-46-5

Alternate CAS#:

Chemical Name: Levothyroxine Impurity 10

Molecular Formula: C15H11ClI3NO4

Molecular Weight: 685.42