Stable Isotope Standards
CAS 78072-66-9 — Caffeine-13C3
CAS Registry Number 78072-66-9 identifies Caffeine-13C3, supplied as an analytical reference standard characterised by identity and chromatographic purity and released lot by lot.
Identifiers
- CAS Number
- 78072-66-9
- Molecular Formula
- 13C3C5H10N4O2
- Molecular Weight
- 197.16 g/mol
- HPLC Purity
- ≥ 99.0% (HPLC verified)
- Appearance
- White powder
- Storage
- Store at 2–8 °C, desiccated.
Synonyms and research codes
Caffeine-13C3 Stable Isotope Standard · 1,3,7-Trimethyl-13C3-xanthine
Labelled internal standard for LC-MS/MS quantitation and isotope-dilution assays.