CAS Number: 32151-75-0

Alternate CAS#:

Chemical Name: Metformin Impurity 6

Molecular Formula: C6H12N12

Molecular Weight: 252.25

CAS Number: 26690-75-5

Alternate CAS#:

Chemical Name: Metformin Impurity 5

Molecular Formula: C5H10N10

Molecular Weight: 210.21

CAS Number: 118632-64-7 (free base)

Alternate CAS#:

Chemical Name: Metformin Impurity 4 HCl (3-Carbamimidoyl-1,1-Dimethylurea HCl)

Molecular Formula: C4H10N4O. HCl

Molecular Weight: 130.15 36.46

CAS Number: 570410-57-0; 98026-16-5 (free base)

Alternate CAS#:

Chemical Name: Metformin Impurity 3 HCl

Molecular Formula: C4H10N4O. HCl

Molecular Weight: 130.15 36.46

CAS Number: 591-01-5

Alternate CAS#:

Chemical Name: Metformin Impurity 2 Hemi-Sulfate

Molecular Formula: C2H6N4O. 1/2 H2O4S

Molecular Weight: 102.10 1/2 98.08

CAS Number: N/A

Alternate CAS#:

Chemical Name: Metformin Impurity 14

Molecular Formula: C4H12N6

Molecular Weight: 144.18

CAS Number: N/A

Alternate CAS#:

Chemical Name: Metformin Impurity 13

Molecular Formula: C4H7N5

Molecular Weight: 125.14

CAS Number: 58228-69-6

Alternate CAS#:

Chemical Name: Metformin Impurity 12

Molecular Formula: C4H7N5

Molecular Weight: 125.14

CAS Number: N/A

Alternate CAS#:

Chemical Name: Metformin Impurity 11 Phosphate

Molecular Formula: C2H6N4O. H3O4P

Molecular Weight: 102.10 97.99

CAS Number: 598-65-2

Alternate CAS#:

Chemical Name: Metformin Impurity 10 Sulfate

Molecular Formula: C3H9N3. H2O4S

Molecular Weight: 87.13 98.07

CAS Number: N/A

Alternate CAS#:

Chemical Name: Ertugliflozin Impuity 1

Molecular Formula: C28H33ClO13

Molecular Weight: 613.01

CAS Number: 506-59-2

Alternate CAS#:

Chemical Name: Metformin EP Impurity F HCl (Dimethylamine HCl)

Molecular Formula: C2H7N. HCl

Molecular Weight: 45.08 36.46