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Pharmaceutical Reference Standards

Caffeine EP Impurity A

Picture of Caffeine EP Impurity A
CAT No: SZ-C062002
CAS No: 58-55-9
Mol.F. : C7H8N4O2
Mol.Wt. : 180.2
Inv. Status: In Stock
SZ-C062002
CAS No:58-55-9
Mol.F.: C7H8N4O2
Mol.Wt.: 180.2
Inv. Status: In Stock

Caffeine EP Impurity B

Picture of Caffeine EP Impurity B
CAT No: SZ-C062003
CAS No: 7597-60-6
Mol.F. : C7H10N4O3
Mol.Wt. : 198.2
Inv. Status: Custom Synthesis
SZ-C062003
CAS No:7597-60-6
Mol.F.: C7H10N4O3
Mol.Wt.: 198.2
Inv. Status: Custom Synthesis

Caffeine EP Impurity C

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CAT No: SZ-C062004
CAS No: 519-32-4
Mol.F. : C8H10N4O2
Mol.Wt. : 194.2
Inv. Status: In Stock
SZ-C062004
CAS No:519-32-4
Mol.F.: C8H10N4O2
Mol.Wt.: 194.2
Inv. Status: In Stock

Caffeine EP Impurity D

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CAT No: SZ-C062005
CAS No: 83-67-0
Mol.F. : C7H8N4O2
Mol.Wt. : 180.2
Inv. Status: In Stock
SZ-C062005
CAS No:83-67-0
Mol.F.: C7H8N4O2
Mol.Wt.: 180.2
Inv. Status: In Stock

Caffeine EP Impurity E

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CAT No: SZ-C062006
CAS No: 20041-90-1
Mol.F. : C7H12N4O
Mol.Wt. : 168.2
Inv. Status: In Stock
Rel. CAS No : 209725-34-8 (nitrate salt)
SZ-C062006
CAS No:20041-90-1
Mol.F.: C7H12N4O
Mol.Wt.: 168.2
Inv. Status: In Stock
Rel. CAS No : 209725-34-8 (nitrate salt)

Caffeine EP Impurity F

Picture of Caffeine EP Impurity F
CAT No: SZ-C062007
CAS No: 611-59-6
Mol.F. : C7H8N4O2
Mol.Wt. : 180.2
Inv. Status: In Stock
SZ-C062007
CAS No:611-59-6
Mol.F.: C7H8N4O2
Mol.Wt.: 180.2
Inv. Status: In Stock

1,3,7-Trimethyluric Acid

Picture of 1,3,7-Trimethyluric Acid
CAT No: SZ-C062008
CAS No: 5415-44-1
Mol.F. : C8H10N4O3
Mol.Wt. : 210.2
Inv. Status: Limited Stock
SZ-C062008
CAS No:5415-44-1
Mol.F.: C8H10N4O3
Mol.Wt.: 210.2
Inv. Status: Limited Stock

Caffeine Impurity 1

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CAT No: SZ-C062009
CAS No: NA
Mol.F. : C7H12N4O3
Mol.Wt. : 200.2
Inv. Status: Custom Synthesis
SZ-C062009
CAS No:NA
Mol.F.: C7H12N4O3
Mol.Wt.: 200.2
Inv. Status: Custom Synthesis

Caffeine Impurity 2

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CAT No: SZ-C062010
CAS No: NA
Mol.F. : C7H9N4O3 : Na
Mol.Wt. : 197.2 : 23.0
Inv. Status: Custom Synthesis
SZ-C062010
CAS No:NA
Mol.F.: C7H9N4O3 : Na
Mol.Wt.: 197.2 : 23.0
Inv. Status: Custom Synthesis

Caffeidine Acid

Picture of Caffeidine Acid
CAT No: SZ-C062011
CAS No: 54536-15-1
Mol.F. : C8H12N4O3
Mol.Wt. : 212.2
Inv. Status: Custom Synthesis
SZ-C062011
CAS No:54536-15-1
Mol.F.: C8H12N4O3
Mol.Wt.: 212.2
Inv. Status: Custom Synthesis

Caffeine Citrate

Picture of Caffeine Citrate
CAT No: SZ-C062012
CAS No: 69-22-7
Mol.F. : C8H10N4O2 : C6H8O7
Mol.Wt. : 194.2 : 192.1
Inv. Status: Custom Synthesis
Rel. CAS No : 58-08-2 (free base) ; 5743-12-4 (H2O salt)
SZ-C062012
CAS No:69-22-7
Mol.F.: C8H10N4O2 : C6H8O7
Mol.Wt.: 194.2 : 192.1
Inv. Status: Custom Synthesis
Rel. CAS No : 58-08-2 (free base) ; 5743-12-4 (H2O salt)

Theacrine

Picture of Theacrine
CAT No: SZ-C062018
CAS No: 2309-49-1
Mol.F. : C9H12N4O3
Mol.Wt. : 224.2
Inv. Status: Custom Synthesis
SZ-C062018
CAS No:2309-49-1
Mol.F.: C9H12N4O3
Mol.Wt.: 224.2
Inv. Status: Custom Synthesis

Methylliberine

Picture of Methylliberine
CAT No: SZ-C062019
CAS No: 51168-26-4
Mol.F. : C9H12N4O3
Mol.Wt. : 224.2
Inv. Status: Custom Synthesis
SZ-C062019
CAS No:51168-26-4
Mol.F.: C9H12N4O3
Mol.Wt.: 224.2
Inv. Status: Custom Synthesis

Stable Isotopes And Metabolites

Caffeine D3

Picture of Caffeine D3
CAT No: SZ-C062D01
CAS No: 26351-04-2
Mol.F. : C8H7D3N4O2
Mol.Wt. : 197.2
Inv. Status: Custom Synthesis
SZ-C062D01
CAS No:26351-04-2
Mol.F.: C8H7D3N4O2
Mol.Wt.: 197.2
Inv. Status: Custom Synthesis

7-Methyl-3-Methyluric Acid D3

Picture of 7-Methyl-3-Methyluric Acid D3
CAT No: SZ-C062D02
CAS No: 383160-11-0
Mol.F. : C7H5D3N4O3
Mol.Wt. : 199.2
Inv. Status: Custom Synthesis
SZ-C062D02
CAS No:383160-11-0
Mol.F.: C7H5D3N4O3
Mol.Wt.: 199.2
Inv. Status: Custom Synthesis

1,7-Dimethyluric Acid D3

Picture of 1,7-Dimethyluric Acid D3
CAT No: SZ-C062D03
CAS No: 1189713-08-3
Mol.F. : C7H5D3N4O3
Mol.Wt. : 199.2
Inv. Status: Custom Synthesis
SZ-C062D03
CAS No:1189713-08-3
Mol.F.: C7H5D3N4O3
Mol.Wt.: 199.2
Inv. Status: Custom Synthesis

Caffeine-Trimethyl-13C3

Picture of Caffeine-Trimethyl-13C3
CAT No: SZ-C062D04
CAS No: 78072-66-9
Mol.F. : C513C3H10N4O2
Mol.Wt. : 197.2
Inv. Status: Custom Synthesis
SZ-C062D04
CAS No:78072-66-9
Mol.F.: C513C3H10N4O2
Mol.Wt.: 197.2
Inv. Status: Custom Synthesis

Paraxanthine-1-Methyl-d3

Picture of Paraxanthine-1-Methyl-d3
CAT No: SZ-C062D05
CAS No: 188297-90-7
Mol.F. : C7H5D3N4O2
Mol.Wt. : 183.2
Inv. Status: Custom Synthesis
SZ-C062D05
CAS No:188297-90-7
Mol.F.: C7H5D3N4O2
Mol.Wt.: 183.2
Inv. Status: Custom Synthesis

Possible Nitroso Standards

N-Nitroso Caffeine Impurity 1

Picture of N-Nitroso Caffeine Impurity 1
CAT No: SZ-C062013
CAS No: NA
Mol.F. : C7H7N5O3
Mol.Wt. : 209.2
Inv. Status: Custom Synthesis
SZ-C062013
CAS No:NA
Mol.F.: C7H7N5O3
Mol.Wt.: 209.2
Inv. Status: Custom Synthesis

N-Nitroso Caffeine Impurity 2

Picture of N-Nitroso Caffeine Impurity 2
CAT No: SZ-C062014
CAS No: NA
Mol.F. : C7H7N5O3
Mol.Wt. : 209.2
Inv. Status: Custom Synthesis
SZ-C062014
CAS No:NA
Mol.F.: C7H7N5O3
Mol.Wt.: 209.2
Inv. Status: Custom Synthesis

N-Nitroso Caffeine Impurity 3

Picture of N-Nitroso Caffeine Impurity 3
CAT No: SZ-C062015
CAS No: NA
Mol.F. : C7H7N5O3
Mol.Wt. : 209.2
Inv. Status: Custom Synthesis
SZ-C062015
CAS No:NA
Mol.F.: C7H7N5O3
Mol.Wt.: 209.2
Inv. Status: Custom Synthesis

Mononitroso Caffeidine

Picture of Mononitroso Caffeidine
CAT No: SZ-C062016
CAS No: 145438-96-6
Mol.F. : C7H11N5O2
Mol.Wt. : 197.2
Inv. Status: In Stock
SZ-C062016
CAS No:145438-96-6
Mol.F.: C7H11N5O2
Mol.Wt.: 197.2
Inv. Status: In Stock

Dinitroso Caffeidine

Picture of Dinitroso Caffeidine
CAT No: SZ-C062017
CAS No: 145438-97-7
Mol.F. : C7H10N6O3
Mol.Wt. : 226.2
Inv. Status: In Stock
SZ-C062017
CAS No:145438-97-7
Mol.F.: C7H10N6O3
Mol.Wt.: 226.2
Inv. Status: In Stock