DL-DOPA

Product Name: DL-DOPA
CAS No.: 63-84-3
Chemical Name: DL-DOPA
Synonyms: 3,4-Dihydroxyphenylalanine;(S)-2-aMino-3-(3,4-dihydroxyphenyl)propanoic acid;3,4-Dihydroxy-DL-phenylalanine;2-AMINO-3-(3,4-DIHYDROXY-PHENYL)-PROPIONIC ACID;DL-DOPA;NSC 16940;DL-DOPA F;(R,S)-Dopa;DL-3,4-DOPA;63-84-3 DL-DOPA
CBNumber: CB1327115
Molecular Formula: C9H11NO4
Formula Weight: 197.19
MOL File: 63-84-3.mol

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DL-DOPA Property

Melting point:: 270-272 °C(lit.)
Boiling point:: 334.28°C (rough estimate)
Density: 1.3075 (rough estimate)
refractive index: 1.5270 (estimate)
storage temp.: Store at -20°C
solubility: Water:62.5(Max Conc. mg/mL);316.95(Max Conc. mM)
form: Powder
pka: 2.24±0.20(Predicted)
color: Off-white
Odor: Odorless
Water Solubility: Soluble in water, 0.5M dilute hydrochloric acid and formic acid. Insoluble in ethanol, benzene, chloroform and ethyl acetate.
Merck: 14,3420
BRN: 3204800
CAS DataBase Reference: 63-84-3(CAS DataBase Reference)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36
WGK Germany: 3
RTECS: AY5250000
HS Code: 2922500090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: D9503
Product name: 3,4-Dihydroxy-DL-phenylalanine
Packaging: 1g
Price: $30.1
Updated: 2025/07/31

Sigma-Aldrich

Product number: D9503
Product name: 3,4-Dihydroxy-DL-phenylalanine
Packaging: 5g
Price: $46.07
Updated: 2025/07/31

TCI Chemical

Product number: D0599
Product name: 3-(3,4-Dihydroxyphenyl)-DL-alanine
Purity: >98.0%(T)
Packaging: 1g
Price: $47
Updated: 2025/07/31

Sigma-Aldrich

Product number: D9503
Product name: 3,4-Dihydroxy-DL-phenylalanine
Packaging: 25g
Price: $176
Updated: 2025/07/31

TRC

Product number: D452803
Product name: 3,4-Dihydroxy-DL-phenylalanine
Packaging: 1g
Price: $45
Updated: 2021/12/16

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DL-DOPA Chemical Properties,Usage,Production

Uses

3,4-Dihydroxy-DL-phenylalanine is used as a dopamine precursor. It is also useful in organic synthesis.

Definition

ChEBI: A hydroxyphenylalanine carrying hydroxy substituents at positions 3 and 4 of the benzene ring.

Synthesis Reference(s)

Journal of the American Chemical Society, 70, p. 693, 1948 DOI: 10.1021/ja01182a079

Biochem/physiol Actions

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

DL-DOPA Preparation Products And Raw materials

Raw materials

Preparation Products

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DL-DOPA Suppliers

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View Lastest Price from DL-DOPA manufacturers

Hebei Chuanghai Biotechnology Co., Ltd

Product: DL-DOPA 63-84-3
Price: US $10.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10 mt
Release date: 2024-11-18

Zhuozhou Wenxi import and Export Co., Ltd

Product: DL-DOPA 63-84-3
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-08-11

63-84-3, DL-DOPARelated Search:

alpha-Methyldopa sesquihydrate (2RS,3RS)-2-AMINO-3-(3,4-DIHYDROXY-PHENYL)-3-HYDROXY-PROPIONIC ACID BETANIN Levodopa Dimethyl methyldopa S-(-)-Carbidopa (2S)-2-Amino-3-(3,4-dimethoxyphenyl)-2-methyl-propanoic acid D-DOPA DL-DOPA alpha-Methyl DL-DOPA Methyldopa DL-DOPA FOR BIOCHEMISTRY 99% BOC-PHE(3,4-DIHYDROXY)-OH DCHA 3-METHOXY-DL-TYROSINE 2,4,5-TRIHYDROXY-DL-PHENYLALANINE L-3,4-DIHYDROXYPHENYLALANINE METHYL ESTER HYDROCHLORIDE (S)-2-AMINO-3-(3,4-DIMETHOXY-PHENYL)-PROPIONIC ACID 3-METHOXY-L-TYROSINE

DL-DOPA (DL-3,4-DIHYDROXYPHENYLALANINE, 97%

Alanine, 3-(3,4-dihydroxyphenyl)-, DL- (8CI)

b-(3,4-Dihydroxyphenyl)-a-alanine

Benzenepropanoic acid, a-amino-3,4-dihydroxy-

DL-4,5-Dihydroxyphenylalanine

DL-b-(3,4-Dihydroxyphenyl)alanine

Hydrocaffeic acid, a-amino-

NSC 16940

Phenylalanine, 3,4-dihydroxy-

Tyrosine, 3-hydroxy- (9CI)

DL-β-(3,4- Dihydroxypheny) alanine

DL-DOPA extrapure

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

S-2-AMINO-3-(3,4-diHYDROXY PHENYL) PROPANIOC ACID

(S)-2-aMino-3-(3,4-dihydroxyphenyl)propanoic acid

3-(3,4-Dihydroxyphenyl)-<small>DL</small>-alanine

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

2-AMINO-3-(3,4-DIHYDROXY-PHENYL)-PROPIONIC ACID

3-(3,4-DIHYDROXYPHENYL)-DL-ALANINE

(+-)-3,4-dihydroxyphenylalanine

(R,S)-Dopa

3,4-Dihydroxy-DL-phenylalanine

3',4'-Dihydroxyphenylalanine

3,4-Dihydroxyphenylalanine

3’,4’-dihydroxyphenylalanine

3-hydroxy-dl-tyrosin

3-hydroxy-dl-tyrosine

4-dihydroxyphenyl)-3-(dl-alanin

Alanine, 3-(3,4-dihydroxyphenyl)-, DL-

beta-(3,4-Dihydroxyphenyl)-DL-alpha-alanine

DL-3,4-DOPA

dl-beta-(3,4-Dihydroxyphenyl)-alpha-alanine

DL-Dihydroxyphenylalanine

DL-Dioxyphenylalanine

DL-Tyrosine, 3-hydroxy-

DL-BETA-(3,4-DIHYDROXYPHENYL)ALANINE

DL-DOPA

DL-3-(3,4-DIHYDROXYPHENYL)ALANINE

DL-3-(3,4-DIHYDROXYPHENYL)-ALANINE, B-

DL-3,4-DIHYDROXYPHENYLALANINE

DL-3-HYDROXYTYROSINE

(2R)-2-ammonio-3-(3,4-dihydroxyphenyl)propanoate

(.+/-.)-3-(3,4-Dihydroxyphenyl)alanine

(.+/-.)-3,4-Dihydroxyphenylalanine

DL-3-(3,4-Dihydroxyphenyl)alanine &gt

Dihydroxyphenyl DL

Tyrosine, 3-hydroxy-

63-84-3 DL-DOPA

DL-DOPA For Biochemistry

DL-3-(3,4-Dihydroxyphenyl)alanine, ≥ 98.0%

DL-DOPA 99% For Biochemistry

DL-DOPA F

DL-Dopa, 10 mM in DMSO

3,4-Dihydroxy-<sc>DL-</sc>phenylalanine

3-amino-3-(2-hydroxy-3-methoxyphenyl)propanoic acid

63-84-3

Peptide Synthesis

Phenylalanine Derivatives