Category:
Regulated Fine Chemicals
CAS NO:
1217632-04-6
Standard:
BP,EP,ChP,USP,
D-Neopterin-13C5 is a stable isotopically labeled internal standard used in quantitative mass spectrometry. It features deuterium-free 13C labeling to ensure precise measurement of endogenous neopterin levels. The molecular formula is C6H8N4O2 with CAS No. 204987-85-3.
Store at -20°C under inert atmosphere to prevent degradation. Use only in certified laboratory settings; direct clinical administration is prohibited.