Caffeine (2-13C; 1,3-15N2)

Catalog Number	ACM135252572
CAS	135252-57-2
Molecular Weight	197.17
Molecular Formula	13CC7H1015N2N2O2
Melting Point	234-236 °C (453-457.7 °F) (lit.)
Purity	98%
Density	1.23 g/cm3 at 18 °C (64 °F)
Solubility	Water: 18.7 g/L at 16 °C (61 °F)
Appearance	White to off-white powder
Isotopic Enrichment	99 atom % 13C; 98+ atom % 15N
pH	5.5-6.5 at 10 g/L at 20 °C (68 °F)
Stability	Stable if stored under recommended conditions.
Unlabeled CAS	58-08-2
Unlabeled Synonyms	1,3,7-Trimethylxanthine

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Caffeine (2-13C; 1,3-15N2) (135252-57-2)

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