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Pharmaceutical Reference Standards

Cimetidine 

Picture of Cimetidine 
CAT No: SZ-C035001
CAS No: 51481-61-9
Mol.F. : C10H16N6S
Mol.Wt. : 252.3
Inv. Status: In Stock
Rel. CAS No : 70059-30-2 (HCl salt) ; 535967-95-4 (HBr salt)
SZ-C035001
CAS No:51481-61-9
Mol.F.: C10H16N6S 
Mol.Wt.: 252.3
Inv. Status: In Stock
Rel. CAS No : 70059-30-2 (HCl salt) ; 535967-95-4 (HBr salt)

Cimetidine EP Impurity A 

Picture of Cimetidine EP Impurity A 
CAT No: SZ-C035002
CAS No: 52378-40-2
Mol.F. : C10H15N5S2
Mol.Wt. : 269.4
Inv. Status: In Stock
SZ-C035002
CAS No:52378-40-2
Mol.F.: C10H15N5S2 
Mol.Wt.: 269.4
Inv. Status: In Stock

Cimetidine EP Impurity B

Picture of Cimetidine EP Impurity B
CAT No: SZ-C035003
CAS No: 138035-55-9
Mol.F. : C10H15N5OS
Mol.Wt. : 253.3
Inv. Status: In Stock
SZ-C035003
CAS No:138035-55-9
Mol.F.: C10H15N5OS 
Mol.Wt.: 253.3
Inv. Status: In Stock

Cimetidine EP Impurity C

Picture of Cimetidine EP Impurity C
CAT No: SZ-C035004
CAS No: 52568-80-6
Mol.F. : C10H18N6OS : 2(HCl)
Mol.Wt. : 270.4 : 2(36.5)
Inv. Status: In Stock
Rel. CAS No : 77076-18-7 (free base)
SZ-C035004
CAS No:52568-80-6
Mol.F.: C10H18N6OS : 2(HCl)
Mol.Wt.: 270.4 : 2(36.5)
Inv. Status: In Stock
Rel. CAS No : 77076-18-7 (free base)

Cimetidine EP Impurity D

Picture of Cimetidine EP Impurity D
CAT No: SZ-C035005
CAS No: 59660-24-1
Mol.F. : C9H17N5S : 2(HCl)
Mol.Wt. : 227.3 : 2(36.5)
Inv. Status: In Stock
Rel. CAS No : 70172-53-1 (free base)
SZ-C035005
CAS No:59660-24-1
Mol.F.: C9H17N5S : 2(HCl)
Mol.Wt.: 227.3 : 2(36.5)
Inv. Status: In Stock
Rel. CAS No : 70172-53-1 (free base)

Cimetidine EP Impurity E

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CAT No: SZ-C035006
CAS No: 54237-72-8
Mol.F. : C10H16N6OS
Mol.Wt. : 268.3
Inv. Status: In Stock
SZ-C035006
CAS No:54237-72-8
Mol.F.: C10H16N6OS 
Mol.Wt.: 268.3
Inv. Status: In Stock

Cimetidine EP Impurity F

Picture of Cimetidine EP Impurity F
CAT No: SZ-C035007
CAS No: 55272-86-1
Mol.F. : C16H24N8S2
Mol.Wt. : 392.5
Inv. Status: In Stock
SZ-C035007
CAS No:55272-86-1
Mol.F.: C16H24N8S2 
Mol.Wt.: 392.5
Inv. Status: In Stock

Cimetidine EP Impurity G

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CAT No: SZ-C035008
CAS No: 31857-31-5
Mol.F. : C4H8N4
Mol.Wt. : 112.1
Inv. Status: In Stock
SZ-C035008
CAS No:31857-31-5
Mol.F.: C4H8N4 
Mol.Wt.: 112.1
Inv. Status: In Stock

Cimetidine EP Impurity H

Picture of Cimetidine EP Impurity H
CAT No: SZ-C035009
CAS No: 74886-59-2
Mol.F. : C10H18N8S2
Mol.Wt. : 314.4
Inv. Status: In Stock
SZ-C035009
CAS No:74886-59-2
Mol.F.: C10H18N8S2 
Mol.Wt.: 314.4
Inv. Status: In Stock

Cimetidine EP Impurity I

Picture of Cimetidine EP Impurity I
CAT No: SZ-C035010
CAS No: 38603-74-6
Mol.F. : C6H10N2O : HCl
Mol.Wt. : 126.2 : 36.5
Inv. Status: In Stock
Rel. CAS No : 80304-45-6 (free base)
SZ-C035010
CAS No:38603-74-6
Mol.F.: C6H10N2O : HCl
Mol.Wt.: 126.2 : 36.5
Inv. Status: In Stock
Rel. CAS No : 80304-45-6 (free base)

Cimetidine EP Impurity J

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CAT No: SZ-C035011
CAS No: 38603-72-4
Mol.F. : C7H13N3S . 2(HCl)
Mol.Wt. : 171.26 . 2(36.5)
Inv. Status: In Stock
Rel. CAS No : 38585-67-0 (free base)
SZ-C035011
CAS No:38603-72-4
Mol.F.: C7H13N3S . 2(HCl)
Mol.Wt.: 171.26 . 2(36.5)
Inv. Status: In Stock
Rel. CAS No : 38585-67-0 (free base)

Cimetidine Impurity 1

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CAT No: SZ-C035012
CAS No: 182685-55-8
Mol.F. : C16H26N10S2
Mol.Wt. : 422.6
Inv. Status: Custom Synthesis
SZ-C035012
CAS No:182685-55-8
Mol.F.: C16H26N10S2
Mol.Wt.: 422.6
Inv. Status: Custom Synthesis

Cimetidine Impurity 2

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CAT No: SZ-C035013
CAS No: NA
Mol.F. : C15H22N8S
Mol.Wt. : 346.5
Inv. Status: Custom Synthesis
SZ-C035013
CAS No:NA
Mol.F.: C15H22N8S
Mol.Wt.: 346.5
Inv. Status: Custom Synthesis

Cimetidine EP Impurity A (HCl)

Picture of Cimetidine EP Impurity A (HCl)
CAT No: SZ-C035014
CAS No: 85654-57-5
Mol.F. : C10H15N5S2 : HCl
Mol.Wt. : 269.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 52378-40-2 (free base) ; 85668-55-9 (hydrate)
SZ-C035014
CAS No:85654-57-5
Mol.F.: C10H15N5S2 : HCl
Mol.Wt.: 269.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 52378-40-2 (free base) ; 85668-55-9 (hydrate)

Cimetidine Impurity 3

Picture of Cimetidine Impurity 3
CAT No: SZ-C035019
CAS No: 29636-87-1
Mol.F. : C5H8N2O
Mol.Wt. : 112.1
Inv. Status: In Stock
SZ-C035019
CAS No:29636-87-1
Mol.F.: C5H8N2O
Mol.Wt.: 112.1
Inv. Status: In Stock

Cimetidine Hydrochloride

Picture of Cimetidine Hydrochloride
CAT No: SZ-C035020
CAS No: 70059-30-2
Mol.F. : C10H16N6S : HCl
Mol.Wt. : 252.3 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 51481-61-9 (free base) ; 535967-95-4 (HBr salt)
SZ-C035020
CAS No:70059-30-2
Mol.F.: C10H16N6S : HCl
Mol.Wt.: 252.3 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 51481-61-9 (free base) ; 535967-95-4 (HBr salt)

Cimetidine Impurity 3

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CAT No: SZ-C035021
CAS No: 59359-50-1
Mol.F. : C10H16N6OS
Mol.Wt. : 268.3
Inv. Status: Custom Synthesis
SZ-C035021
CAS No:59359-50-1
Mol.F.: C10H16N6OS
Mol.Wt.: 268.3
Inv. Status: Custom Synthesis

Possible Nitroso Standards

Cimetidine Nitroso Impurity 1

Picture of Cimetidine Nitroso Impurity 1
CAT No: SZ-C035015
CAS No: NA
Mol.F. : C10H13N9O3S
Mol.Wt. : 339.3
Inv. Status: Custom Synthesis
SZ-C035015
CAS No:NA
Mol.F.: C10H13N9O3S
Mol.Wt.: 339.3
Inv. Status: Custom Synthesis

Cimetidine Nitroso Impurity 2

Picture of Cimetidine Nitroso Impurity 2
CAT No: SZ-C035016
CAS No: NA
Mol.F. : C10H15N7OS
Mol.Wt. : 281.3
Inv. Status: Under Synthesis
SZ-C035016
CAS No:NA
Mol.F.: C10H15N7OS
Mol.Wt.: 281.3
Inv. Status: Under Synthesis

Cimetidine Nitroso Impurity 3

Picture of Cimetidine Nitroso Impurity 3
CAT No: SZ-C035017
CAS No: NA
Mol.F. : C10H15N7OS
Mol.Wt. : 281.3
Inv. Status: Custom Synthesis
SZ-C035017
CAS No:NA
Mol.F.: C10H15N7OS
Mol.Wt.: 281.3
Inv. Status: Custom Synthesis

Cimetidine Nitroso Impurity 4

Picture of Cimetidine Nitroso Impurity 4
CAT No: SZ-C035018
CAS No: NA
Mol.F. : C10H15N7OS
Mol.Wt. : 281.3
Inv. Status: Custom Synthesis
SZ-C035018
CAS No:NA
Mol.F.: C10H15N7OS
Mol.Wt.: 281.3
Inv. Status: Custom Synthesis

Stable Isotopes and Metabolites

Cimetidine D3

Picture of Cimetidine D3
CAT No: SZ-C035D01
CAS No: 1185237-29-9
Mol.F. : C10H13D3N6S
Mol.Wt. : 255.4
Inv. Status: Custom Synthesis
SZ-C035D01
CAS No:1185237-29-9
Mol.F.: C10H13D3N6S
Mol.Wt.: 255.4
Inv. Status: Custom Synthesis