CAS Number: 490-89-1

Alternate CAS#:

Chemical Name: Norepinephrine Impurity 21 (Noradrenochrome)

Molecular Formula: C8H7NO3

Molecular Weight: 165.15

CAS Number: 67896-55-3

Alternate CAS#:

Chemical Name: Norepinephrine Impurity 20 (Noradrenalinequinone)

Molecular Formula: C8H9NO3

Molecular Weight: 167.16

CAS Number: 408328-15-4

Alternate CAS#:

Chemical Name: Norepinephrine Impurity 2

Molecular Formula: C8H8O4

Molecular Weight: 168.15

CAS Number: 3805-00-3

Alternate CAS#:

Chemical Name: Norepinephrine Impurity 19 HCl

Molecular Formula: C10H15NO3. HCl

Molecular Weight: 197.24 36.46

CAS Number: 3770-01-2; 2947-04-8 (free base)

Alternate CAS#:

Chemical Name: Norepinephrine Impurity 18 HCl

Molecular Formula: C9H13NO3. HCl

Molecular Weight: 183.21 36.46

CAS Number: 55-27-6; 138-65-8 (free base)

Alternate CAS#:

Chemical Name: Norepinephrine Impurity 17 HCl (rac-Norepinephrine HCl)

Molecular Formula: C8H11NO3. HCl

Molecular Weight: 169.18 36.46

CAS Number: 329-65-7

Alternate CAS#:

Chemical Name: Norepinephrine Impurity 16

Molecular Formula: C9H13NO3

Molecular Weight: 183.21

CAS Number: N/A

Alternate CAS#:

Chemical Name: Norepinephrine Impurity 15

Molecular Formula: C16H19NO6

Molecular Weight: 321.33

CAS Number: 5530-29-0

Alternate CAS#:

Chemical Name: Norepinephrine Impurity 14

Molecular Formula: C8H9ClO3

Molecular Weight: 188.61

CAS Number: 28822-73-3

Alternate CAS#:

Chemical Name: Norepinephrine Impurity 13

Molecular Formula: C8H10O4

Molecular Weight: 170.16

CAS Number: 73660-93-2 (free base)

Alternate CAS#:

Chemical Name: Norepinephrine Impurity 12 HCl

Molecular Formula: C8H11NO3. HCl

Molecular Weight: 169.18 36.46

CAS Number: N/A

Alternate CAS#:

Chemical Name: Norepinephrine Impurity 11

Molecular Formula: 16H15NO6

Molecular Weight: 317.3