Skip to Content
Merck
All Photos(3)

Documents

D9503

Sigma-Aldrich

3,4-Dihydroxy-DL-phenylalanine

Synonym(s):

3-(3,4-Dihydroxyphenyl)-DL-alanine, DL-3-Hydroxytyrosine, DL-DOPA

Sign Into View Organizational & Contract Pricing
All Photos(3)

About This Item

Linear Formula:
(HO)2C6H3CH2CH(NH2)COOH
CAS Number:
63-84-3
Molecular Weight:
197.19
Beilstein:
3204800
EC Number:
200-566-0
MDL number:
MFCD00063060
UNSPSC Code:
12352209
eCl@ss:
32160406
PubChem Substance ID:
24894298
NACRES:
NA.32

form

powder

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)

Looking for similar products? Visit Product Comparison Guide

Biochem/physiol Actions

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

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Steven L Saville et al.
Nanoscale, 5(5), 2152-2163 (2013-02-08)
It has been recently reported that for some suspensions of magnetic nanoparticles the transverse proton relaxation rate, R(2), is dependent on the time that the sample is exposed to an applied magnetic field. This time dependence has been linked to
Luis García-Fernández et al.
Advanced materials (Deerfield Beach, Fla.), 25(4), 529-533 (2012-11-10)
Inspired by the amino acid 2-chloro-4,5-dihydroxyphenylalanine (Cl-DOPA), present in the composition of the proteinaceous glue of the sandcastle worm Phragmatopoma californica, a simple strategy is presented to confer antifouling properties to polymer surfaces using (but not releasing) a bioinspired biocide.
Handbook of Developmental Cognitive Neuroscience (2001)
Dopamine formation, from its immediate precursor 3, 4-dihydroxyphenylalanine, along the rat digestive tract
Vieira-Coelho MA and Soares-da-Silva P
Fundamental & Clinical Pharmacology, 7(5), 235-243 (1993)
Karlo J Lizarraga et al.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 55(1), 30-36 (2013-10-30)
Brain metastases are frequently treated with radiation. It is critical to distinguish recurrent or progressive brain metastases (RPBM) from late or delayed radiation injury (LDRI). The purpose of this study was to examine the diagnostic accuracy as well as the
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service