3,4-Dihydroxy-L-phenylalanine

SIGMA/D9628 - ≥98% (TLC)

Synonym: 3-(3,4-Dihydroxyphenyl)-L-alanine; L-3-Hydroxytyrosine; L-DOPA; Levodopa

CAS Number: 59-92-7
Empirical Formula (Hill Notation): C₉H₁₁NO₄
Molecular Weight: 197.19
EC Number: 200-445-2
MDL Number: MFCD00002598
Linear Formula: (HO)₂C₆H₃CH₂CH(NH₂)CO₂H
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-D9628-5G	5 g	$78.20 1/EAAdd To Favorites	Add To Favorites
45-D9628-25G	25 g	$274.00 1/EAAdd To Favorites	Add To Favorites
45-D9628-100G	100 g	$0.00 1/EA CALL FOR PRICEAdd To Favorites	Add To Favorites
45-D9628-500G	500 g	$0.00 1/EA CALL FOR PRICEAdd To Favorites	Add To Favorites

application(s)	peptide synthesis
assay	≥98% (TLC)
color	white to off-white
form	powder
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)/t6-/m0/s1
InChI key	WTDRDQBEARUVNC-LURJTMIESA-N
mp	276-278 °C (lit.)
Quality Level	200
SMILES string	N[C@@H](Cc1ccc(O)c(O)c1)C(O)=O
storage temp.	room temp

Application:	3,4-Dihydroxy-L-phenylalanine or L-DOPA has been used to stain melanocytes. It has also been used to study its effects on a Drosophila model of Parkinson’s disease.
Biochem/physiol Actions:	3,4-Dihydroxy-L-phenylalanine or L-DOPA is a natural isomer of the immediate precursor of dopamine that crosses the blood-brain barrier. It is used for the treatment of Parkinson’s disease and is a product of tyrosine hydroxylase.
Other Notes:	2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research
Packaging:	5, 25, 100, 500 g in poly bottle

Symbol	GHS07
Signal word	Warning
Hazard statements	H302 - H315 - H319 - H335
Precautionary statements	P261 - P264 - P270 - P301 + P312 - P302 + P352 - P305 + P351 + P338
Hazard Codes	Xn
Risk Statements	22-36/37/38
Safety Statements	26-36
RIDADR	NONH for all modes of transport
WGK Germany	WGK 3

Purity	≥98% (TLC)
mp	276-278 °C (lit.)
Storage Temp.	room temp
UNSPSC	12352209