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CAS 611-59-6

CAS 611-59-6 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 611-59-6
CAS 611-59-6PubChem CID 4687

Paraxanthine

1,7-dimethylxanthine is a dimethylxanthine having the two methyl groups located at positions 1 and 7. It is a metabolite of caffeine and theobromine in animals. It has a role as a central nervous system stimulant, a mouse metabolite, a human xenobiotic metabolite and a human blood serum metabolite. — ChEBI

IUPAC name
1,7-dimethyl-3H-purine-2,6-dione
Molecular formula
C7H8N4O2
Molecular weight
180.16 g/mol
Exact mass
180.06472551 Da
XLogP3
-0.2
Topological polar surface area
67.2 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

1,7-Dimethylxanthinep-Xanthine1H-Purine-2,6-dione, 3,7-dihydro-1,7-dimethyl-1,7-dimethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione1,7-Dimethyl-3,7-dihydro-1H-purine-2,6-dioneNSC-400018Q3565Y41V7CHEBI:25858
16 more reported names
RefChem:417792210-271-91,7-Dimethyl-1H-purine-2,6(3H,7H)-dione3,7-Dihydro-1,7-dimethyl-1H-purine-2,6-dioneXanthine, 1,7-dimethyl-Caffeine Impurity FCaffeine EP Impurity F1,7-dimethyl-XanthineCHEMBL1158EINECS 210-271-9NSC 400018BRN 0197907UNII-Q3565Y41V7PXT1,7-Dimethyl-1H-purine-2,6-dioneParaxanthine(72%)
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 611-59-6

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How CAS 611-59-6 is used on this site

CAS 611-59-6 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 611-59-6 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.