3-Methylthiophene-2-carboxaldehyde - ≥85%(GC) , CAS No.5834-16-2

CAS: 5834-16-2 Cat. No.: M157936 Molecular Weight: 126.17 Beilstein Registry Number: 107874 EC Number: 227-418-8
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GRADE & PURITY ≥85%(GC)
Synonyms
3-Methyl-2-thiophenecarboxaldehyde, tech grade | thiophene, 3-Methyl, 2-formyl | UNII-ZHC9WE8PS0 | AM20100422 | SCHEMBL447131 | 3-methyl-thiophene-2-carbaldehyde | 3-Methylthiophene-2-carbaldehyde | MORANTEL HYDROGEN TARTRATE IMPURITY E [EP IMPURITY] | 3-
Storage
Argon charged,Room temperature
Shipped In
Normal
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5g
M157936-5g
10

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$14.90
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25g
M157936-25g
2

$18.90

$28.90
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100g
M157936-100g
2

$59.90

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500g
M157936-500g
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$250.90

$376.90
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Why this grade

≥85%(GC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Argon charged,Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

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

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Literature proof

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

Overview

3-Methylthiophene-2-carboxaldehyde was used in the synthesis of 2,3-dimethyl-5-(2,6,10-trimethylundecyl)thiophene. It was used to investigate versatile bioconversion capacity of baker′s yeast for the generation of thiols from cysteine-aldehyde conjugates.

Specifications

Synonyms
3-Methyl-2-thiophenecarboxaldehyde, tech grade | thiophene, 3-Methyl, 2-formyl | UNII-ZHC9WE8PS0 | AM20100422 | SCHEMBL447131 | 3-methyl-thiophene-2-carbaldehyde | 3-Methylthiophene-2-carbaldehyde | MORANTEL HYDROGEN TARTRATE IMPURITY E [EP IMPURITY] | 3-
Specifications & Purity
≥85%(GC)
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥85%(GC)
Names and Identifiers
Pubchem Sid488185800
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488185800
Canonical SmilesCC1=C(SC=C1)C=O
IUPAC Name3-methylthiophene-2-carbaldehyde
InChIKeyBSQKBHXYEKVKMN-UHFFFAOYSA-N
INCHI1S/C6H6OS/c1-5-2-3-8-6(5)4-7/h2-4H,1H3
Isomeric SMILES CC1=C(SC=C1)C=O
WGK Germany 3
Molecular Weight 126.17
Beilstein 107874
Reaxy-Rn 107874
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=107874&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
ClassOrganooxygen compounds
SubclassCarbonyl compounds
Intermediate Tree Nodes Aldehydes
Direct ParentAryl-aldehydes
Alternative Parents Thiophenes  Heteroaromatic compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Aryl-aldehyde - Heteroaromatic compound - Thiophene - Organoheterocyclic compound - Organic oxide - Hydrocarbon derivative - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as aryl-aldehydes. These are compounds containing an aldehyde group directly attached to an aromatic ring.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

12 results found

Lot NumberCertificate TypeDateItem
D1802048Certificate of AnalysisNov 10, 2025 M157936
A2206646Certificate of AnalysisOct 13, 2025 M157936
A2206651Certificate of AnalysisOct 13, 2025 M157936
A2206653Certificate of AnalysisOct 13, 2025 M157936
H2117311Certificate of AnalysisJun 09, 2025 M157936
H2117312Certificate of AnalysisJun 09, 2025 M157936
I2305186Certificate of AnalysisSep 13, 2023 M157936
I2305187Certificate of AnalysisSep 13, 2023 M157936
I2305188Certificate of AnalysisSep 13, 2023 M157936
I2305194Certificate of AnalysisSep 13, 2023 M157936
I2305195Certificate of AnalysisSep 13, 2023 M157936
D2320194Certificate of AnalysisDec 06, 2021 M157936

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Chemical and Physical Properties
SolubilityInsoluble in water
SensitivityAir sensitive
Refractive Index1.5870
Flash Point(°F)179.6 °F
Flash Point(°C)82 °C
Boil Point(°C)215°
Molecular Weight126.180 g/mol
XLogP31.800
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Exact Mass126.014 Da
Monoisotopic Mass126.014 Da
Topological Polar Surface Area45.300 Ų
Heavy Atom Count8
Formal Charge0
Complexity92.500
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
Solution Calculators
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