L-3,4-Dihydroxyphenylalanine methyl ester hydrochloride - ≥98% , CAS No.1421-65-4

CAS: 1421-65-4 Cat. No.: S133010 Molecular Weight: 247.68 EC Number: 630-429-4 PubChem CID: 10131132
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
levodopa methyl ester hydrochloride | SCHEMBL453411 | EU-0100356 | 3,4-Dihydroxy-L-phenylalanine Methyl Ester Hydrochloride | CCG-221660 | L-3,4-Dihydroxyphenylalanine methyl ester hydrochloride, solid | Tox21_111221_1 | WFGNJLMSYIJWII-FJXQXJEOSA-N | (S)-
Storage
Protected from light,Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
S133010-250mg
2
$9.90
1g
S133010-1g
2

$11.90

$16.90
Save $5.00 (29.59%)
5g
S133010-5g
2

$17.90

$29.90
Save $12.00 (40.13%)
25g
S133010-25g
1
$62.90
100g
S133010-100g
1
$199.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Store at -20°C,Argon charged Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Precursor to L-DOPA that crosses the blood-brain barrier; antiparkinsonian agent.

Specifications

Synonyms
levodopa methyl ester hydrochloride | SCHEMBL453411 | EU-0100356 | 3, 4-Dihydroxy-L-phenylalanine Methyl Ester Hydrochloride | CCG-221660 | L-3, 4-Dihydroxyphenylalanine methyl ester hydrochloride, solid | Tox21_111221_1 | WFGNJLMSYIJWII-FJXQXJEOSA-N | (S)-
Specifications & Purity
≥98%
Biochemical and Physiological Mechanisms
L-3, 4-dihydroxyphenylalanine methyl ester is a precursor of L-DOPA and can cross the blood-brain barrier. The anti Parkinson's disease drug L-DOPA methyl ester induces anti-tumor function in leukemia and melanoma.
Storage
Protected from light, Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Canonical SmilesCl[H].COC(=O)[C@@H](N)Cc1ccc(O)c(O)c1
IUPAC Namemethyl (2S)-2-amino-3-(3,4-dihydroxyphenyl)propanoate;hydrochloride
InChIKeyWFGNJLMSYIJWII-FJXQXJEOSA-N
INCHI1S/C10H13NO4.ClH/c1-15-10(14)7(11)4-6-2-3-8(12)9(13)5-6;/h2-3,5,7,12-13H,4,11H2,1H3;1H/t7-;/m0./s1
Isomeric SMILES COC(=O)[C@H](CC1=CC(=C(C=C1)O)O)N.Cl
WGK Germany 3
PubChem CID 10131132
Molecular Weight 247.68

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Amino acids and derivatives - Alpha amino acids and derivatives
Direct ParentTyrosine and derivatives
Alternative Parents Phenylalanine and derivatives  Alpha amino acid esters  Amphetamines and derivatives  Catechols  1-hydroxy-2-unsubstituted benzenoids  1-hydroxy-4-unsubstituted benzenoids  Aralkylamines  Fatty acid esters  Methyl esters  Monocarboxylic acids and derivatives  Carbonyl compounds  Hydrochlorides  Monoalkylamines  Organopnictogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Tyrosine or derivatives - Phenylalanine or derivatives - Alpha-amino acid ester - Amphetamine or derivatives - Catechol - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Fatty acid ester - Phenol - Aralkylamine - Monocyclic benzene moiety - Fatty acyl - Benzenoid - Methyl ester - Carboxylic acid ester - Monocarboxylic acid or derivatives - Hydrochloride - Organooxygen compound - Organonitrogen compound - Primary aliphatic amine - Hydrocarbon derivative - Organic nitrogen compound - Organopnictogen compound - Carbonyl group - Organic oxygen compound - Organic oxide - Amine - Primary amine - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as tyrosine and derivatives. These are compounds containing tyrosine or a derivative thereof resulting from reaction of tyrosine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
DRD3 Tclin Dopamine D3 receptor (14368 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SMPD1 Tchem Sphingomyelin phosphodiesterase (13561 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
POLK Tbio DNA polymerase kappa (8653 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KDM4C Tchem Lysine-specific demethylase 4C (1129 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
EHMT2 Tchem Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 (93046 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SNCA Tchem Alpha-synuclein (10960 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TDP1 Tchem Tyrosyl-DNA phosphodiesterase 1 (345557 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KDM4E Tchem Lysine-specific demethylase 4D-like (40243 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
LMNA Tbio Prelamin-A/C (36751 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GMNN Tbio Geminin (128009 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PMP22 Tbio Peripheral myelin protein 22 (699 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Plasmodium falciparum (966862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
rep Replicase polyprotein 1ab (378 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mapt Microtubule-associated protein tau (6 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
fba Putative fructose-1,6-bisphosphate aldolase (15559 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ffp 4'-phosphopantetheinyl transferase ffp (24982 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

18 results found

Lot NumberCertificate TypeDateItem
K2301467Certificate of AnalysisAug 11, 2025 S133010
K2301466Certificate of AnalysisAug 11, 2025 S133010
F2503524Certificate of AnalysisMay 12, 2025 S133010
F2503546Certificate of AnalysisMay 12, 2025 S133010
F2503545Certificate of AnalysisMay 12, 2025 S133010
F2503544Certificate of AnalysisMay 12, 2025 S133010
F2503542Certificate of AnalysisMay 12, 2025 S133010
A2630074Certificate of AnalysisMay 12, 2025 S133010
E2530580Certificate of AnalysisMay 12, 2025 S133010
E2530579Certificate of AnalysisMay 12, 2025 S133010
E2530578Certificate of AnalysisMay 12, 2025 S133010
E2530577Certificate of AnalysisMay 12, 2025 S133010
E2530576Certificate of AnalysisMay 12, 2025 S133010
E2530574Certificate of AnalysisMay 12, 2025 S133010
E1529103Certificate of AnalysisOct 18, 2024 S133010
G2431545Certificate of AnalysisJul 16, 2024 S133010
G2431546Certificate of AnalysisJul 16, 2024 S133010
B2223724Certificate of AnalysisFeb 25, 2022 S133010

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Chemical and Physical Properties
SensitivityAir sensitive;Moisture sensitive;Heat sensitive;light sensitive
Melt Point(°C)171 °C
Molecular Weight247.670 g/mol
XLogP3
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count5
Rotatable Bond Count4
Exact Mass247.061 Da
Monoisotopic Mass247.061 Da
Topological Polar Surface Area92.800 Ų
Heavy Atom Count16
Formal Charge0
Complexity221.000
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
Solution Calculators
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