D9503

3,4-Dihydroxy-DL-phenylalanine

• Synonym(s): 3-(3,4-Dihydroxyphenyl)-DL-alanine, DL-3-Hydroxytyrosine, DL-DOPA
• Linear Formula: (HO)₂C₆H₃CH₂CH(NH₂)COOH
• CAS Number: 63-84-3
• Molecular Weight: 197.19
• NACRES: NA.32
• PubChem Substance ID: 24894298
• eCl@ss: 32160406
• UNSPSC Code: 12352209
• EC Number: 200-566-0
• MDL number: MFCD00063060
• Beilstein/REAXYS Number: 3204800

Properties

• form: powder
• Quality Segment: 100
• mp: 270-272 °C (lit.), 290 °C (dec.) (lit.)
• SMILES string: NC(Cc1ccc(O)c(O)c1)C(O)=O
• InChI: 1S/C9H11NO4/c10-6(9(13)14)3-5-1-2-7(11)8(12)4-5/h1-2,4,6,11-12H,3,10H2,(H,13,14)
• InChI key: WTDRDQBEARUVNC-UHFFFAOYSA-N
• Gene Information: human ... DRD1(1812), DRD2(1813), DRD3(1814), DRD4(1815), DRD5(1816) ; mouse ... DRD1(13488), DRD2(13489), DRD3(13490), DRD4(13491), DRD5(13492) ; rat ... DRD1(24316), DRD2(24318), DRD3(29238), DRD4(25432), DRD5(25195) ;

Description

Biochem/physiol Actions

3,4-dihydroxyphenylalanine is an immediate precursor of dopamine, which is a product of tyrosine hydroxylase.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Codes: H315,H319,H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable
• PPE (personal protective equipment): dust mask type N95 (US), Eyeshields, Gloves