DL-Dopa

Modify Date: 2026-07-03 16:13:00

DL-Dopa Structure
DL-Dopa structure
Common Name DL-Dopa
CAS Number 63-84-3 Molecular Weight 197.18800
Density 1.468 g/cm3 Boiling Point 448.39ºC at 760 mmHg
Molecular Formula C9H11NO4 Melting Point 270-272ºC(lit.)
MSDS Chinese USA Flash Point 224.978ºC
Symbol GHS07
GHS07
Signal Word Warning

 Use of DL-Dopa


DL-Dopa is a beta-hydroxylated derivative of phenylalanine.

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name dopa
Synonym More Synonyms

 DL-Dopa Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description DL-Dopa is a beta-hydroxylated derivative of phenylalanine.
Related Catalog
Target

Human Endogenous Metabolite

References

[1]. Yen HC, et al. Effects of various drugs on 3,4-dihydroxyphenylalanine (DL-DOPA)-induced excitation (agressive behavior) in mice. Toxicol Appl Pharmacol. 1970 Nov;17(3):597-604.

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.468 g/cm3
Boiling Point 448.39ºC at 760 mmHg
Melting Point 270-272ºC(lit.)
Molecular Formula C9H11NO4
Molecular Weight 197.18800
Flash Point 224.978ºC
Exact Mass 197.06900
PSA 103.78000
LogP 0.75250
InChIKey WTDRDQBEARUVNC-UHFFFAOYSA-N
SMILES NC(Cc1ccc(O)c(O)c1)C(=O)O

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
AY5250000
CHEMICAL NAME :
Alanine, 3-(3,4-dihydroxyphenyl)-, DL-
CAS REGISTRY NUMBER :
63-84-3
LAST UPDATED :
199504
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C9-H11-N-O4
MOLECULAR WEIGHT :
197.21
WISWESSER LINE NOTATION :
QVYZ1R CQ DQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD691-490 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1293 No. of Facilities: 10 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 59 (estimated) No. of Female Employees: 59 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS AY5250000

 Articles48

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Bone metastases radiopharmaceuticals: an overview.

Curr. Radiopharm. 6(1) , 41-7, (2013)

The skeleton is one of the preferential sites for metastases of solid tumors, and metastatic disease is the most common malignancy of the bone. Diagnosis and evaluation of skeletal metastases require ...

Stability of polydopamine and poly(DOPA) melanin-like films on the surface of polymer membranes under strongly acidic and alkaline conditions

Colloids Surf. B Biointerfaces 110 , 22-8, (2013)

This study investigated the stability of polydopamine and poly(3,4-dihydroxyphenylalanine) (poly(DOPA)) melanin-like films on the surface of polymer substrates. Three polymer membranes, polypropylene ...

Mussel adhesion is dictated by time-regulated secretion and molecular conformation of mussel adhesive proteins.

Nat. Commun. 6 , 8737, (2015)

Interfacial water constitutes a formidable barrier to strong surface bonding, hampering the development of water-resistant synthetic adhesives. Notwithstanding this obstacle, the Asian green mussel Pe...

 DL-DopaBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: pKa (acid-base dissociation constant) as determined by Avdeef ref: DOI: 10.1002/04714...
Source: ChEMBL
Target: N/A
External Id: CHEMBL2449007
Name: qHTS for Inhibitors of human tyrosyl-DNA phosphodiesterase 1 (TDP1): qHTS in cells in...
Source: NCGC
Target: TDP1 protein [Homo sapiens]
External Id: TDP1100
Name: qHTS for Stage-Specific Inhibitors of Vaccinia Orthopoxvirus: mCherry Reporter Primar...
Source: NCGC
Target: 67.9K protein [Vaccinia virus]
External Id: Vaccinia-p2mCherry
Name: qHTS for Inhibitors of human tyrosyl-DNA phosphodiesterase 1 (TDP1): qHTS in cells in...
Source: NCGC
Target: TDP1 protein [Homo sapiens]
External Id: TDP1101
Name: SARS-CoV-2 3CL-Pro protease inhibition percentage at 20µM by FRET kind of response f...
Source: ChEMBL
Target: Replicase polyprotein 1ab
External Id: CHEMBL4495582
Name: The chemical genetic matrix (CGM) dataset as reported in Wildenhain et al. (2015) Pre...
Source: 11924
Target: N/A
External Id: CGM data for Cell Systems paper Dec 2015
Name: qHTS for Stage-Specific Inhibitors of Vaccinia Orthopoxvirus: Venus Reporter Primary ...
Source: NCGC
Target: 67.9K protein [Vaccinia virus]
External Id: Vaccinia-p2Venus
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

EINECS 200-566-0
<small>DL</small>-3-(3,4-Dihydroxyphenyl)alanine
MFCD00063060

 DL-Dopa | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What are the downstream products of dopa?
A: Related downstream products(CAS) of dopa: 59-92-7;5796-17-8;102034-49-1;4790-08-3;62715-12-2;40611-00-5.
Q: What is the melting point of dopa?
A: Melting point of dopa is 270-272ºC(lit.).
Q: What is the English name of dopa?
A: The English name of dopa is dopa.
Q: What is the InChIKey of dopa?
A: InChIKey of dopa is WTDRDQBEARUVNC-UHFFFAOYSA-N.
Q: What are the upstream materials of dopa?
A: Related upstream materials(CAS) of dopa: 35149-81-6;59-92-7;7732-18-5;34996-80-0;76313-28-5;18692-68-7;556-02-5;150-30-1;2901-78-2.
Q: What are the uses of dopa?
A: Main uses of dopa: DL-Dopa is a beta-hydroxylated derivative of phenylalanine.
Q: What is the SMILES notation of dopa?
A: SMILES notation of dopa is NC(Cc1ccc(O)c(O)c1)C(=O)O.
Q: What English synonyms does dopa have?
A: English synonyms of dopa: EINECS 200-566-0, DL-3-(3,4-Dihydroxyphenyl)alanine, MFCD00063060.
Q: What is the boiling point of dopa?
A: Boiling point of dopa is 448.39ºC at 760 mmHg.
Q: What is the LogP of dopa?
A: LogP of dopa is 0.75250.

 DL-Dopafactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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