Caffeine Impurities

Caffeine Related Products

SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Caffeine, pharmacopeial and non-pharmacopeial Caffeine impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Caffeine impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Caffeine-related products are thoroughly characterized. Caffeine products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

Pharmaceutical Reference Standards

1,3,7-Trimethyluric Acid

SZ CAT No:	: SZ-C062008
CAS No	: 5415-44-1
Mol.F.	: C8H10N4O3
Mol.Wt.	: 210.2
Inv. Status	: In Stock

Caffeine

SZ CAT No:	: SZ-C062001
CAS No	: 58-08-2
Mol.F.	: C8H10N4O2
Mol.Wt.	: 194.2
Inv. Status	: In Stock
Rel. CAT No	: SZ-C062012 , SZ-D064003 , SZ-P063007 , SZ-T045003 ,

Caffeine EP Impurity A

SZ CAT No:	: SZ-C062002
CAS No	: 58-55-9
Mol.F.	: C7H8N4O2
Mol.Wt.	: 180.2
Inv. Status	: In Stock

Caffeine EP Impurity B

SZ CAT No:	: SZ-C062003
CAS No	: 7597-60-6
Mol.F.	: C7H10N4O3
Mol.Wt.	: 198.2
Inv. Status	: In Stock

Caffeine EP Impurity D

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

Caffeine EP Impurity E

SZ CAT No:	: SZ-C062006
CAS No	: 20041-90-1
Mol.F.	: C7H12N4O
Mol.Wt.	: 168.2
Inv. Status	: In Stock
Rel. CAS No	: 107605-95-8 (HCl salt)

Caffeine EP Impurity F

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

Caffeine EP Impurity C

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

Caffeidine Acid

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

Caffeine Citrate

SZ 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 (hydrate)
Rel. CAT No	: SZ-C062001 , SZ-D064003 , SZ-P063007 , SZ-T045003 ,

Caffeine Impurity 1

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

Caffeine Impurity 2

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

Methylliberine

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

Theacrine

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

Caffeine Impurity 3

SZ CAT No:	: SZ-C062020
CAS No	: 104497-09-8
Mol.F.	: C6H11N3O2
Mol.Wt.	: 157.2
Inv. Status	:

Caffeine Impurity 4

SZ CAT No:	: SZ-C062021
CAS No	: 6642-31-5
Mol.F.	: C6H9N3O2
Mol.Wt.	: 155.2
Inv. Status	:

Stable Isotopes And Metabolites

1,7-Dimethyluric Acid D3

SZ CAT No:	: SZ-C062D03
CAS No	: 1189713-08-3
Mol.F.	: C7H5D3N4O3
Mol.Wt.	: 199.2
Inv. Status	: Custom Synthesis

7-Methyl-3-Methyluric Acid D3

SZ CAT No:	: SZ-C062D02
CAS No	: 383160-11-0
Mol.F.	: C7H5D3N4O3
Mol.Wt.	: 199.2
Inv. Status	: Custom Synthesis

Caffeine 13CD3

SZ CAT No:	: SZ-C062D06
CAS No	: NA
Mol.F.	: C713CH7D3N4O2
Mol.Wt.	: 198.2
Inv. Status	: Custom Synthesis

Caffeine D3

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

Caffeine-Trimethyl-13C3

SZ CAT No:	: SZ-C062D04
CAS No	: 78072-66-9
Mol.F.	: C513C3H10N4O2
Mol.Wt.	: 197.2
Inv. Status	: Custom Synthesis

Paraxanthine-1-Methyl-d3

SZ CAT No:	: SZ-C062D05
CAS No	: 188297-90-7
Mol.F.	: C7H5D3N4O2
Mol.Wt.	: 183.2
Inv. Status	: Custom Synthesis

Possible Nitroso Standards

Dinitroso Caffeidine

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

Mononitroso Caffeidine

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

N-Nitroso Caffeine Impurity 1

SZ CAT No:	: SZ-C062013
CAS No	: NA
Mol.F.	: C7H7N5O3
Mol.Wt.	: 209.2
Inv. Status	: Inquire

N-Nitroso Caffeine Impurity 2

SZ CAT No:	: SZ-C062014
CAS No	: NA
Mol.F.	: C7H7N5O3
Mol.Wt.	: 209.2
Inv. Status	: Inquire

N-Nitroso Caffeine Impurity 3

SZ CAT No:	: SZ-C062015
CAS No	: NA
Mol.F.	: C7H7N5O3
Mol.Wt.	: 209.2
Inv. Status	: Inquire

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