Metformin

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Pharmaceutical Reference Standards

Metformin

CAT. No.	CP-M3000
CAS. No.	657-24-9
Mol. F.	C4H11N5
Mol. Wt.	129.17
Stock Status:	Custom Synthesis

Metformin EP Impurity A

CAT. No.	CP-M3001
CAS. No.	461-58-5
Mol. F.	C2H4N4
Mol. Wt.	84.08
Stock Status:	In Stock

Metformin EP Impurity B

CAT. No.	CP-M3002
CAS. No.	2959-04-8
Mol. F.	C4H8N8 : HCl
Mol. Wt.	168.16 : 36.46
Stock Status:	In Stock

Rel. Cas No: 4405-08-7 (free base) ; 3553-49-9 (nitrate Salt)

Metformin EP Impurity C

CAT. No.	CP-M3003
CAS. No.	1985-46-2
Mol. F.	C5H10N6
Mol. Wt.	154.17
Stock Status:	In Stock

Metformin EP Impurity D

CAT. No.	CP-M3004
CAS. No.	108-78-1
Mol. F.	C3H6N6
Mol. Wt.	126.12
Stock Status:	In Stock

Metformin EP Impurity E

CAT. No.	CP-M3005
CAS. No.	1674-62-0
Mol. F.	C3H9N5 : HCl
Mol. Wt.	115.14 : 36.46
Stock Status:	In Stock

Rel. Cas No: 1609-00-3 (free base) ; 36801-25-9 (Sulfate salt)

Metformin EP Impurity F

CAT. No.	CP-M3006
CAS. No.	506-59-2
Mol. F.	C2H7N : HCl
Mol. Wt.	45.09 : 36.46
Stock Status:	In Stock

Rel. Cas No: 124-40-3 (free base)

Metformin Guanylurea Impurity

CAT. No.	CP-M3007
CAS. No.	591-01-5
Mol. F.	C2H6NO4 : H2O4S
Mol. Wt.	102.10 : 98.07
Stock Status:	In Stock

Rel. Cas No: Free Base: 141-83-3

Metformin Hydrochloride

CAT. No.	CP-M3008
CAS. No.	1115-70-4
Mol. F.	C4H11N5 : HCl
Mol. Wt.	129.17 : 36.46
Stock Status:	In Stock

N-Nitroso Metformin

CAT. No.	CP-M3011
CAS. No.	NA
Mol. F.	C4H10N6O
Mol. Wt.	158.16
Stock Status:	Please Enquire

N-Nitroso Metformin Impurity 1

CAT. No.	CP-M3012
CAS. No.	NA
Mol. F.	C3H8N6O
Mol. Wt.	144.14
Stock Status:	Please Enquire

N-Nitroso Metformin Impurity 2

CAT. No.	CP-M3013
CAS. No.	NA
Mol. F.	C3H8N6O
Mol. Wt.	144.14
Stock Status:	Please Enquire

N-Nitroso Metformin EP Impurity A

CAT. No.	CP-M3014
CAS. No.	NA
Mol. F.	C2H3N5O
Mol. Wt.	113.08
Stock Status:	Please Enquire

Metformin Hydroxy Analog 2

CAT. No.	CP-M3015
CAS. No.	98026-16-5
Mol. F.	C4H10N4O
Mol. Wt.	130.15
Stock Status:	Custom Synthesis

N,N-Dimethylcarbamic Acid

CAT. No.	CP-M3017
CAS. No.	7260-94-8
Mol. F.	C3H7NO2
Mol. Wt.	89.09
Stock Status:	Custom Synthesis

Metformin EP Impurity E (Sulfate salt)

CAT. No.	CP-M3018
CAS. No.	36801-25-9
Mol. F.	C3H9N5 : H2SO4
Mol. Wt.	115.14 : 98.1
Stock Status:	Custom Synthesis

Rel. Cas No: 1609-00-3 (free base) ; 1674-62-0 (HCl salt)

N-(Aminoiminomethyl)-N,N-dimethylurea

CAT. No.	CP-M3019
CAS. No.	118632-64-7
Mol. F.	C4H10N4O
Mol. Wt.	130.15
Stock Status:	Custom Synthesis

Metformin Hydroxy Analog 1

CAT. No.	CP-M3020
CAS. No.	926-72-7
Mol. F.	C2H6N4O : HCl
Mol. Wt.	102.1 : 36.46
Stock Status:	Custom Synthesis

Rel. Cas No: 141-83-3 (free base)

Metformin Impurity 2

CAT. No.	CP-M3021
CAS. No.	13452-82-9
Mol. F.	C5H10N6
Mol. Wt.	154.18
Stock Status:	Custom Synthesis

Rel. Cas No: 58892-16-3 (HCl salt) ; 16274-39-8 (XHCl salt)

Metformin Impurity 3

CAT. No.	CP-M3022
CAS. No.	4245-76-5
Mol. F.	C2H6N4O2
Mol. Wt.	118.1
Stock Status:	Custom Synthesis

Metformin Impurity 4

CAT. No.	CP-M3023
CAS. No.	58228-69-6
Mol. F.	C4H7N5
Mol. Wt.	125.14
Stock Status:	Custom Synthesis

Metformin Impurity 5

CAT. No.	CP-M3024
CAS. No.	847373-57-3
Mol. F.	C4H7N5
Mol. Wt.	125.14
Stock Status:	Custom Synthesis

Methylamine Hydrochloride

CAT. No.	CP-M3031
CAS. No.	593-51-1
Mol. F.	CH5N : HCl
Mol. Wt.	31.06 : 36.46
Stock Status:	Custom Synthesis

Metformin Impurity 6

CAT. No.	CP-M3037
CAS. No.	NA
Mol. F.	C4H10N4O : HCl
Mol. Wt.	130.15 : 36.46
Stock Status:	Custom Synthesis

Metformin Impurity 7

CAT. No.	CP-M3039
CAS. No.	570410-57-0
Mol. F.	C4H10N4O : HCl
Mol. Wt.	130.15 : 36.46
Stock Status:	Custom Synthesis

a b c d e f g h i j k l m n o p q r s t u v w x y z

Metformin

Pharmaceutical Reference Standards

Metformin

Metformin EP Impurity A

Metformin EP Impurity B

Metformin EP Impurity C

Metformin EP Impurity D

Metformin EP Impurity E

Metformin EP Impurity F

Metformin Guanylurea Impurity

Metformin Hydrochloride

N-Nitroso Metformin

N-Nitroso Metformin Impurity 1

N-Nitroso Metformin Impurity 2

N-Nitroso Metformin EP Impurity A

Metformin Hydroxy Analog 2

N,N-Dimethylcarbamic Acid

Metformin EP Impurity E (Sulfate salt)

N-(Aminoiminomethyl)-N,N-dimethylurea

Metformin Hydroxy Analog 1

Metformin Impurity 2

Metformin Impurity 3

Metformin Impurity 4

Metformin Impurity 5

Methylamine Hydrochloride

Metformin Impurity 6

Metformin Impurity 7

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