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DL-DOPA

DL-DOPA structure

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

Molecular Weight:: 197.19

MDL Number:: MFCD00063060

MOL File:: 63-84-3.mol

Last updated:2025-01-27 09:38:02

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DL-DOPA Properties

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)
pka	2.24±0.20(Predicted)
form	Powder
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)
EWG's Food Scores	1
FDA UNII	QI9C343R60
UNSPSC Code	12352209
NACRES	NA.32

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P264-P271-P280-P302+P352-P305+P351+P338

Hazard Codes

Risk Statements

36/37/38

Safety Statements

26-36

WGK Germany

RTECS

AY5250000

HS Code

2922500090

NFPA 704

	1
2		0

DL-DOPA price More Price(20)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	D9503	3,4-Dihydroxy-DL-phenylalanine	63-84-3	1g	$27.8	2024-03-01	Buy
Sigma-Aldrich	D9503	3,4-Dihydroxy-DL-phenylalanine	63-84-3	5g	$47	2024-03-01	Buy
TCI Chemical	D0599	3-(3,4-Dihydroxyphenyl)-DL-alanine >98.0%(T)	63-84-3	1g	$47	2024-03-01	Buy
Alfa Aesar	041535	3,4-Dihydroxy-DL-phenylalanine, 98%	63-84-3	5g	$67.65	2024-03-01	Buy
Alfa Aesar	041535	3,4-Dihydroxy-DL-phenylalanine, 98%	63-84-3	25g	$324	2024-03-01	Buy

Product number	Packaging	Price	Buy
D9503	1g	$27.8	Buy
D9503	5g	$47	Buy
D0599	1g	$47	Buy
041535	5g	$67.65	Buy
041535	25g	$324	Buy

DL-DOPA Chemical Properties,Uses,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

5,6-DIHYDROXYINDOLE 5,6-dihydroxy-1H-indole-2-carboxylic acid

DL-DOPA Suppliers

Global( 185)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hebei Weibang Biotechnology Co., Ltd	+8615531157085	abby@weibangbio.com	China	8804	58
Hebei Mujin Biotechnology Co.,Ltd	+86 13288715578 +8613288715578	sales@hbmojin.com	China	12826	58
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21632	55
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49476	58
TargetMol Chemicals Inc.	+1-781-999-5354 +1-00000000000	marketing@targetmol.com	United States	32161	58
AFINE CHEMICALS LIMITED	+86-0571-85134551	sales@afinechem.com	China	15352	58
Dayang Chem (Hangzhou) Co.,Ltd.	571-88938639 +8617705817739	info@dycnchem.com	China	52849	58
Nextpeptide Inc	+86-0571-81612335 +8613336028439	sales@nextpeptide.com	China	19908	58
GIHI CHEMICALS CO.,LIMITED	+8618058761490	info@gihichemicals.com	China	49982	58

Supplier	Advantage
Hebei Weibang Biotechnology Co., Ltd	58
Hebei Mujin Biotechnology Co.,Ltd	58
Henan Tianfu Chemical Co.,Ltd.	55
Alchem Pharmtech,Inc.	58
CONIER CHEM AND PHARMA LIMITED	58
TargetMol Chemicals Inc.	58
AFINE CHEMICALS LIMITED	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
Nextpeptide Inc	58
GIHI CHEMICALS CO.,LIMITED	58

View Lastest Price from DL-DOPA manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2025-02-18	DL-DOPA 63-84-3	US $20.00 / KG	1KG	99%	50000kg	Hebei Mujin Biotechnology Co.,Ltd
2025-02-18	DL-DOPA 63-84-3	US $10.00 / KG	1KG	99%	10 mt	Hebei Weibang Biotechnology Co., Ltd
2024-11-19	DL-Dopa 63-84-3	US $44.00 / mg		98.93%	10g	TargetMol Chemicals Inc.

DL-DOPA
63-84-3
US $20.00 / KG
99%
Hebei Mujin Biotechnology Co.,Ltd

DL-DOPA
63-84-3
US $10.00 / KG
99%
Hebei Weibang Biotechnology Co., Ltd

DL-Dopa
63-84-3
US $44.00 / mg
98.93%
TargetMol Chemicals Inc.

DL-DOPA Spectrum

DL-DOPA(63-84-3)MS DL-DOPA(63-84-3)¹HNMR DL-DOPA(63-84-3)IR1 DL-DOPA(63-84-3)IR2 DL-DOPA(63-84-3)Raman

63-84-3(DL-DOPA)Related 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

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DL-3-(3,4-DIHYDROXYPHENYL)ALANINE DL-3-(3,4-DIHYDROXYPHENYL)-ALANINE, B- DL-3,4-DIHYDROXYPHENYLALANINE DL-3-HYDROXYTYROSINE (.+/-.)-3-(3,4-Dihydroxyphenyl)alanine (.+/-.)-3,4-Dihydroxyphenylalanine 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 3-(3,4-Dihydroxyphenyl)-DL-alanine 3,4-Dihydroxy-DL-phenylalanine,3-(3,4-Dihydroxyphenyl)-DL-alanine, DL-3-Hydroxytyrosine, DL-DOPA 3-(3,4-DIHYDROXYPHENYL)-DL-ALANINE (+-)-3,4-dihydroxyphenylalanine (R,S)-Dopa 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 (2R)-2-ammonio-3-(3,4-dihydroxyphenyl)propanoate DL-3-(3,4-Dihydroxyphenyl)alanine > Dihydroxyphenyl DL Tyrosine, 3-hydroxy- 63-84-3 DL-DOPA DL-DOPA For Biochemistry (S)-2-aMino-3-(3,4-dihydroxyphenyl)propanoic acid 2-AMINO-3-(3,4-DIHYDROXY-PHENYL)-PROPIONIC ACID 3,4-Dihydroxy-DL-phenylalanine 3,4-Dihydroxyphenylalanine DL-3-(3,4-Dihydroxyphenyl)alanine, ≥ 98.0% DL-DOPA 99% For Biochemistry DL-DOPA F DL-Dopa, 10 mM in DMSO 63-84-3 Peptide Synthesis Phenylalanine Derivatives Specialty Synthesis Unnatural Amino Acid Derivatives