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3,4-Dihydroxy-L-phenylalanine ( Levodopa, L-Dopa )
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Description
Levodopa
Synonyms: L-DOPA, Levodopa, 3,4-Dihydroxy-L-phenylalanine
CAS Number: 59-92-7
EC Number: 200-445-2
Chemical Formula: C₉H₁₁NO₄
Molar Mass: 197.19 g/mol
Appearance: White to off-white crystalline powder
Chemical and Physical Properties
Density: Not specified / solid powder
Melting Point: 276–278 °C (decomposes)
Boiling Point: Not applicable (decomposes)
Vapor Pressure: Negligible
Solubility: Slightly soluble in water; sparingly soluble in alcohol; more soluble in acidic solutions
Flash Point: Not applicable (non-combustible solid)
Log Pow: −2.4 (approx.)
Applications
Pharmaceutical Intermediate: Used as an active compound and research material in dopaminergic studies
Neuroscience Research: Commonly used in studies involving dopamine biosynthesis and neurotransmitter pathways
Biochemical Studies: Serves as a precursor to dopamine, norepinephrine, and epinephrine
Analytical Reference Material: Used in assay development, method validation, and quality-control testing