3-(Methylthio)propionaldehyde - ≥98% , CAS No.3268-49-3

CAS: 3268-49-3 Cat. No.: M109548 Summenformel: C4H8OS Molekulargewicht: 104.17 Beilstein Registry Number: 1739289 EG-Nummer: 221-882-5
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GRADE & PURITY ≥98%
Synonyms
3-[Methylthio]propionaldehyde | 3-methylsulfanylpropanal | 3-Methylmercaptopropyl aldehyde | EN300-20267 | beta -(methylmercapto)propionaldehyde | methylmercaptopropionaldehyde | NSC 15874 | Propionaldehyde, 3-(methylthio)- | 3-(METHYLTHIO) PROPIONALDEHYD
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice,FedEx DG Service
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Size
Deutschland (EU)
USA*
Price
Qty
5g
M109548-5g
Auf Bestellung · 8–12 Wochen
8,59€
10g
M109548-10g
—
Auf Lager ≥10
10,33€
50g
M109548-50g
—
2 Auf Lager
25,08€
250g
M109548-250g
—
1 Auf Lager
86,69€
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

Store at 2-8°C,Argon charged Ships Wet ice,FedEx DG Service 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 33 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Übersicht

3-(Methylthio)propionaldehyde is the major product of chemical methionine conversion via Strecker degradation in food. It is a reactant involved in homolytic cross-coupling reactions, oxidative coupling and chemoselective oxidation, intermolecular alkyne hydroacylation reactions and oxxidation of sulfides to sulfoxides.
3-(Methylthio)propionaldehyde is used as biosynthetic precursor of ethylene1.

Specifications

Synonyme
3-[Methylthio]propionaldehyde | 3-methylsulfanylpropanal | 3-Methylmercaptopropyl aldehyde | EN300-20267 | beta -(methylmercapto)propionaldehyde | methylmercaptopropionaldehyde | NSC 15874 | Propionaldehyde, 3-(methylthio)- | 3-(METHYLTHIO) PROPIONALDEHYD
Spezifikationen & Reinheit
≥98%
Storage
Store at 2-8°C,Argon charged
Verschickt in
Wet ice,FedEx DG Service
Dieses Produkt erfordert Kühlkettenversand. Grundversand und andere Economy-Optionen sind nicht verfügbar.
Reinheit
≥98%
Namen und Kennungen
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/488182494
Kanonisches Lächeln
CSCCC=O
IUPAC Name
3-methylsulfanylpropanal
InChIKey
CLUWOWRTHNNBBU-UHFFFAOYSA-N
INCHI
1S/C4H8OS/c1-6-4-2-3-5/h3H,2,4H2,1H3
Isomere SMILES
CSCCC=O
WGK Deutschland
1
RTECS
UE2285000
UN-Nummer
2785
Verpackungsgruppe
III
Molekulargewicht
104.17
Beilstein
1739289
Reaxy-Rn
1739289
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1739289&ln=

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 oxygen compounds
KlasseOrganooxygen compounds
SubclassCarbonyl compounds
Intermediate Tree Nodes Aldehydes
Direct ParentAlpha-hydrogen aldehydes
Alternative Parents Sulfenyl compounds  Dialkylthioethers  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Alpha-hydrogen aldehyde - Dialkylthioether - Sulfenyl compound - Thioether - Organic oxide - Hydrocarbon derivative - Organosulfur compound - Aliphatic acyclic compound
BeschreibungThis compound belongs to the class of organic compounds known as alpha-hydrogen aldehydes. These are aldehydes with the general formula HC(H)(R)C(=O)H, where R is an organyl group.
External Descriptors an organosulfur compound
3D-Struktur
Interaktives chemisches Strukturmodell





Zugehörige Ziele (menschlich)
THRB Tclin Thyroid hormone receptor beta-1 (7926 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Lymphoblastoid cell (5959 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Zugehörige Ziele (nicht menschlich)
metG Methionyl-tRNA synthetase (123 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Wirkungsmechanismen
Zertifikate (CoA, COO, BSE/TSE und Analyse-Diagramm)
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.

27 results found

Lot NumberCertificate TypeDatumArtikel
B2303365Certificate of AnalysisJul 30, 2026 M109548
B2303457Certificate of AnalysisJul 30, 2026 M109548
F2603586Certificate of AnalysisJun 08, 2026 M109548
F2603561Certificate of AnalysisJun 08, 2026 M109548
I2603577Certificate of AnalysisMay 25, 2026 M109548
I2603576Certificate of AnalysisMay 25, 2026 M109548
I2603616Certificate of AnalysisMay 25, 2026 M109548
I2603603Certificate of AnalysisMay 25, 2026 M109548
J2620853Certificate of AnalysisMay 25, 2026 M109548
F2629515Certificate of AnalysisMay 25, 2026 M109548
F2629514Certificate of AnalysisMay 25, 2026 M109548
F2629512Certificate of AnalysisMay 25, 2026 M109548
F2629401Certificate of AnalysisMay 25, 2026 M109548
B2605025Certificate of AnalysisFeb 11, 2026 M109548
J2517210Certificate of AnalysisOct 20, 2025 M109548
E2528019Certificate of AnalysisMay 29, 2025 M109548
B2625118Certificate of AnalysisMar 13, 2025 M109548
B2527465Certificate of AnalysisMar 13, 2025 M109548
B2527441Certificate of AnalysisMar 13, 2025 M109548
B2527440Certificate of AnalysisMar 13, 2025 M109548
B2527438Certificate of AnalysisMar 13, 2025 M109548
K2419489Certificate of AnalysisApr 10, 2024 M109548
B2303364Certificate of AnalysisOct 24, 2022 M109548
B2303362Certificate of AnalysisOct 24, 2022 M109548
B2218457Certificate of AnalysisJan 22, 2022 M109548
B2218444Certificate of AnalysisJan 22, 2022 M109548
B2218431Certificate of AnalysisJan 22, 2022 M109548
Chemische und physikalische Eigenschaften
LöslichkeitIt is readily soluble in alcohol solvents such as ethanol, propylene and glycol oil. It is insoluble in water.
EmpfindlichkeitAir & heat sensitive
Brechungsindex1.484-1.493
Flammpunkt (°F)61°C
Flammpunkt (°C)61°C
Siedepunkt (°C)165-166°C
Molekulargewicht104.170 g/mol
XLogP30.300
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count3
Exact Mass104.03 Da
Monoisotopic Mass104.03 Da
Topological Polar Surface Area42.400 Ų
Heavy Atom Count6
Formal Charge0
Complexity36.500
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
Lösungsrechner
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