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Home/Compounds/CAS 555-30-6
Formula C10H13NO4MW 211.21Research-use catalog entryCOA/SDS by request

Methyldopa

CAS Number: 555-30-6

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Available Options

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100 g
Purity
98%
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25 g
Purity
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Purity
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Loading RDKit molecule structure...
InChIKey: CJCSPKMFHVPWAR-JTQLQIEISA-NC10H13NO4 | MW 211.21

Chemical Absolute Identifiers

CAS Number

555-30-6

PubChem CID

38853

Molecular Formula

C10H13NO4

Molecular Weight

211.21 g/mol

Exact Mass

211.084458

InChIKey

CJCSPKMFHVPWAR-JTQLQIEISA-N

IUPAC Name

(2S)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid

SMILES String

C[C@](CC1=CC(=C(C=C1)O)O)(C(=O)O)N

Physical Properties

Appearance

Methyl dopa appears as colorless or almost colorless crystals or white to yellowish-white fine powder. Almost tasteless. In the sesquihydrate form. pH (saturated aqueous solution) about 5. (NTP, 1992)

Melting Point

3.0 °C

pKa

2.218

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

Methyldopa (CAS 555-30-6) is listed in the Life Science portfolio, with molecular formula C10H13NO4 and molecular weight 211. 21 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for life-science research and analytical workflows; structure-derived tags include nitrogen-containing heterocycle.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Amino Acid ResearchLife Science ResearchResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow
Biological target reference

ChEMBL reports experimental activity evidence for: Tyrosyl-DNA phosphodiesterase 1 (Homo sapiens) — 3 assays; Pyruvate kinase (Leishmania mexicana) — 2 assays; ATP-dependent DNA helicase Q1 (Homo sapiens) — 2 assays; Lysine-specific demethylase 4E (Homo sapiens) — 2 assays; Microtubule-associated protein tau (Homo sapiens) — 3 assays. These records describe research assays and do not establish therapeutic efficacy or clinical use.

Tyrosyl-DNA phosphodiesterase 1

Homo sapiens · SINGLE PROTEIN · 3 qualifying assays · 1 documents · best pChEMBL 6.3

Experimental evidence source: ChEMBL

Pyruvate kinase

Leishmania mexicana · SINGLE PROTEIN · 2 qualifying assays · 1 documents · best pChEMBL 6.1

Experimental evidence source: ChEMBL

ATP-dependent DNA helicase Q1

Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents · best pChEMBL 5.85

Experimental evidence source: ChEMBL

Lysine-specific demethylase 4E

Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 2 documents · best pChEMBL 5.52

Experimental evidence source: ChEMBL

Microtubule-associated protein tau

Homo sapiens · SINGLE PROTEIN · 3 qualifying assays · 1 documents · best pChEMBL 5.5

Experimental evidence source: ChEMBL

Safety & Handling

PPE

Respiratory protection if needed

First Aid

  • Do not give anything to an unconscious person.
  • Rinse mouth with water.

Stability / Reactivity

  • Reactivity.
  • Carbon monoxide, carbon dioxide, nitrogen oxides.

Disposal

  • Dispose of the remaining and non-recyclable solution to a licensed company.
  • Contact a professional institution with a waste disposal license to handle this substance.
Show additional safety reference fields

Fire Fighting

  • If necessary, wear a self-contained breathing apparatus for firefighting.

Accidental Release

  • Do not generate dust when collecting and disposing.
  • Use personal protective equipment and emergency procedures.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

For supplier-issued SDS or COA, submit a documentation request.

Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

Methyldopa

Names & Synonyms

AlphamethyldopaDopametPresolisinMedometAlpha medopa
Show all synonyms
l-alpha-MethyldopaMethyldopa anhydrousAldometilMethoplainSedometilDopatecHyperpaxMethyl dopaalpha-Methyl dopaSembrinaHypolagDopegytMedoprenPresinolalpha-Methyl-L-dopa
External Identifiers
EC NUMBER: 209-089-2DSSTOX SUBSTANCE ID: DTXSID5023295CHEMBL ID: CHEMBL459CHEBI ID: CHEBI:61058UNII: M4R0H12F6MDRUGBANK ID: DB00968HMDB ID: HMDB0011754KEGG ID: C07194KEGG ID: D08205METABOLOMICS WORKBENCH ID: 41522NCI THESAURUS CODE: C175729NCI THESAURUS CODE: C47616PHARMGKB ID: PA164712898PHARMGKB ID: PA450453RXCUI: 1545996RXCUI: 6876
Literature & Patent References
DOI 10.1021/acs.jmedchem.4c02967Medoxomil Prodrug Strategies.PMID 40261681Medoxomil Prodrug Strategies.DOI 10.1016/j.isci.2024.108907Identification and evaluation of small-molecule inhibitors against the dNTPase SAMHD1 via a comprehensive screening funnelPMID 38318365Identification and evaluation of small-molecule inhibitors against the dNTPase SAMHD1 via a comprehensive screening funnelDOI 10.1038/s41467-023-40064-9A preclinical secondary pharmacology resource illuminates target-adverse drug reaction associations of marketed drugs.PMID 37468498A preclinical secondary pharmacology resource illuminates target-adverse drug reaction associations of marketed drugs.DOI 10.6019/CHEMBL4808148HDAC6 screening dataset using tau-based substrate in an enzymatic assay yields selective inhibitors and activatorsDOI 10.1101/2020.04.03.023846In vitro screening of a FDA approved chemical library reveals potential inhibitors of SARS-CoV-2 replication

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

Show non-linked catalog cues

Non-public related references

2-{[(Tert-butoxy)carbonyl]amino}-3-phenylpropanoic acidCAS 4530-18-1
Benzyl (S)-4-amino-2-((tert-butoxycarbonyl)amino)-4-thioxobutanoateCAS 1312304-07-6
(S)-2-((S)-2-((tert-Butoxycarbonyl)amino)-3-phenylpropanamido)-3-phenylpropanoic acidCAS 13122-90-2
DL-3-(4-Biphenyl)alanine hydrochlorideCAS 63024-23-7
Z-D-Asp(OtBu)-OHCAS 71449-08-6

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 21852-32-43,4-Dimethoxybenzyl bromideCAS 21829-25-4NifedipineCAS 23593-75-1ClotrimazoleCAS 117-89-5TrifluoperazineCAS 169590-42-5CelecoxibCAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid

RFQ questions for CAS 555-30-6

What are the key identifiers for Methyldopa (CAS 555-30-6)?

Methyldopa is identified by CAS 555-30-6, with molecular formula C10H13NO4, molecular weight 211.21, InChIKey CJCSPKMFHVPWAR-JTQLQIEISA-N.

Does CAS 555-30-6 have reported biological target evidence?

ChEMBL contains qualifying experimental assay evidence associated with Tyrosyl-DNA phosphodiesterase 1, Pyruvate kinase, ATP-dependent DNA helicase Q1, Lysine-specific demethylase 4E, Microtubule-associated protein tau. These records do not establish therapeutic efficacy or clinical use.

Can I request a COA for CAS 555-30-6?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for Methyldopa?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 555-30-6 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

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