Category:
Regulated Fine Chemicals
CAS NO:
79037-36-8
Standard:
BP,EP,ChP,USP,
Estriol-d3 is a deuterated internal standard for quantitative analysis of estriol in biological matrices. Synthesized via isotopic substitution, it features the molecular formula C18H26O3. Its CAS number is 105946-78-7.
Store under inert atmosphere at -20°C to prevent degradation. Handle with appropriate PPE as a research chemical; not approved for direct human therapeutic use.