Droxidopa also known as L-DOPS, L–threo-dihydroxyphenylserine, L–threo-DOPS and SM-5688 is a synthetic amino acid precursor which acts as a prodrug to the neurotransmitter norepinephrine (noradrenaline). Unlike norepinephrine, droxidopa is capable of crossing the protective blood–brain barrier (BBB)^.

Stable isotope labeled L-DOPS is intended for use as an internal standard for the quantification of L-DOPS by LC or GC-mass spectrometry.

If the number, nature and/or location of stable isotope label atoms (D, ¹⁵N, ¹³C) in this molecule don’t fit with your application, don’t hesitate to contact us to discuss your specific needs.

Keywords:

Stable isotope labeled active pharmaceutical ingredient (API), stable isotope dilution analysis, internal standard, stable isotope labeled standard (SIL), therapeutic drug monitoring (TDM), quantitative bioanalytical method validation, clinical diagnosis, LC/MS method validation, diagnostic breath test, clinical chemistry, diagnostic tools & biomarkers.

• Molecular Formula: C₃¹³C₆H₁₁NO5
• Molecular Weight: 219.14 g/mol
• Specification:
  Minimum chemical purity: 95.0 %
  Minimum Isotopic Enrichment: ¹³C ≥99 %
• Solubility: Dimethylsulfoxide (DMSO)
• HS Code: 284590

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