1,7-Dimethylxanthine (Paraxanthine) (2,4,5,6-13C4; 1,3,9-15N3)

Catalog Number ACM1173018795
CAS 1173018-79-5
Synonyms 1,7-Dimethylxanthine-2,4,5,6-13C4-1,3,9-15N3; 1,7-Dimethylxanthine-[13C4,15N3] (para-xanthine)
Molecular Weight 187.12
Molecular Formula 13C4C3H815N3NO2
InChI InChI=1S/C7H8N4O2/c1-10-3-8-5-4(10)6(12)11(2)7(13)9-5/h3H,1-2H3,(H,9,13)/i4+1,5+1,6+1,7+1,8+1,9+1,11+1
InChI Key QUNWUDVFRNGTCO-UDYOVZSYSA-N
Melting Point 294-296 °C (561-565 °F)
Appearance Crystal
Chemical Purity 98%
Isomeric SMILES CN1C=[15N][13C]2=[13C]1[13C](=O)[15N]([13C](=O)[15NH]2)C
Isotopic Enrichment 98 atom % 13C; 98 atom % 15N
Stability Stable if stored under recommended conditions.
Unlabeled CAS 611-59-6
Unlabeled Synonyms 1,7-Dimethyl-1H-purine-2,6-dione; 2,6-Dihydroxy-1,7-dimethylpurine; Paraxanthine
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