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ChemicalBook >> CAS DataBase List >> 4,5-DIMETHYLTHIOPHENE-2-CARBOXALDEHYDE

4,5-DIMETHYLTHIOPHENE-2-CARBOXALDEHYDE

4,5-DIMETHYLTHIOPHENE-2-CARBOXALDEHYDE price.
  • $42 - $1502
  • Product name: 4,5-DIMETHYLTHIOPHENE-2-CARBOXALDEHYDE
  • CAS: 5928-48-3
  • MF: C7H8OS
  • MW: 140.2
  • EINECS:
  • MDL Number:MFCD02093897
  • Synonyms:2,3-Dimethyl-5-formylthiophene;2-Thiophenecarboxaldehyde,4,5-dimethyl-;4,5-Dimethylthiophene-2-carboxaldehyde,97%;4,5-DIMETHYLTHIOPHENE-2-CARBOXALDEHYDE;4,5-dimethylthiophene-2-carbaldehyde
27 prices
Selected condition:
Brand
  • aablocks
  • AK Scientific
  • Alichem
  • American Custom Chemicals Corporation
  • AOBChem
  • Biosynth
  • Chemenu
  • Crysdot
  • Matrix Scientific
  • SynQuest Laboratories
  • Thermo Scientific Chemicals
Package
  • 250mg
  • 1g
  • 2.5g
  • 5.00g
  • 5g
  • 10g
  • 25g
  • Manufactureraablocks
  • Product numberAA003KFN
  • Product description4,5-Dimethylthiophene-2-carbaldehyde 97%
  • Packaging250mg
  • Price$43
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003KFN
  • Product description4,5-Dimethylthiophene-2-carbaldehyde 95%
  • Packaging1g
  • Price$129
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003KFN
  • Product description4,5-Dimethylthiophene-2-carbaldehyde 95%
  • Packaging5g
  • Price$407
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003KFN
  • Product description4,5-Dimethylthiophene-2-carbaldehyde 95%
  • Packaging10g
  • Price$763
  • Updated2026-05-28
  • Buy
  • ManufacturerAK Scientific
  • Product number0832AQ
  • Product description4,5-Dimethylthiophene-2-carboxaldehyde
  • Packaging1g
  • Price$167
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number5928483
  • Product description4,5-Dimethylthiophene-2-carbaldehyde
  • Packaging5g
  • Price$360.4
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number5928483
  • Product description4,5-Dimethylthiophene-2-carbaldehyde
  • Packaging10g
  • Price$644.8
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number5928483
  • Product description4,5-Dimethylthiophene-2-carbaldehyde
  • Packaging25g
  • Price$1399.2
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0024981
  • Product description4,5-DIMETHYLTHIOPHENE-2-CARBOXALDEHYDE 95.00%
  • Packaging1G
  • Price$696.6
  • Updated2021-12-16
  • Buy
  • ManufacturerAOBChem
  • Product numberA21615
  • Product description2,3-Dimethyl-5-formylthiophene ≥95%
  • Packaging25g
  • Price$1502
  • Updated2026-05-26
  • Buy
  • ManufacturerAOBChem
  • Product numberA21615
  • Product description2,3-Dimethyl-5-formylthiophene ≥95%
  • Packaging250mg
  • Price$42
  • Updated2026-05-26
  • Buy
  • ManufacturerAOBChem
  • Product numberA21615
  • Product description2,3-Dimethyl-5-formylthiophene ≥95%
  • Packaging5g
  • Price$306
  • Updated2026-05-26
  • Buy
  • ManufacturerAOBChem
  • Product numberA21615
  • Product description2,3-Dimethyl-5-formylthiophene ≥95%
  • Packaging1g
  • Price$94
  • Updated2026-05-26
  • Buy
  • ManufacturerBiosynth
  • Product numberFAA92848
  • Product description4,5-Dimethylthiophene-2-carboxaldehyde
  • Packaging2.5g
  • Price$354
  • Updated2026-06-04
  • Buy
  • ManufacturerChemenu
  • Product numberCM392293
  • Product description4,5-dimethylthiophene-2-carbaldehyde 95%+
  • Packaging5g
  • Price$301
  • Updated2026-05-20
  • Buy
  • ManufacturerChemenu
  • Product numberCM392293
  • Product description4,5-dimethylthiophene-2-carbaldehyde 95%+
  • Packaging5g
  • Price$301
  • Updated2026-05-26
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003KFN 4,5-Dimethylthiophene-2-carbaldehyde 97% 250mg $43 2026-05-28 Buy
aablocks AA003KFN 4,5-Dimethylthiophene-2-carbaldehyde 95% 1g $129 2026-05-28 Buy
aablocks AA003KFN 4,5-Dimethylthiophene-2-carbaldehyde 95% 5g $407 2026-05-28 Buy
aablocks AA003KFN 4,5-Dimethylthiophene-2-carbaldehyde 95% 10g $763 2026-05-28 Buy
AK Scientific 0832AQ 4,5-Dimethylthiophene-2-carboxaldehyde 1g $167 2021-12-16 Buy
Alichem 5928483 4,5-Dimethylthiophene-2-carbaldehyde 5g $360.4 2021-12-16 Buy
Alichem 5928483 4,5-Dimethylthiophene-2-carbaldehyde 10g $644.8 2021-12-16 Buy
Alichem 5928483 4,5-Dimethylthiophene-2-carbaldehyde 25g $1399.2 2021-12-16 Buy
American Custom Chemicals Corporation CHM0024981 4,5-DIMETHYLTHIOPHENE-2-CARBOXALDEHYDE 95.00% 1G $696.6 2021-12-16 Buy
AOBChem A21615 2,3-Dimethyl-5-formylthiophene ≥95% 25g $1502 2026-05-26 Buy
AOBChem A21615 2,3-Dimethyl-5-formylthiophene ≥95% 250mg $42 2026-05-26 Buy
AOBChem A21615 2,3-Dimethyl-5-formylthiophene ≥95% 5g $306 2026-05-26 Buy
AOBChem A21615 2,3-Dimethyl-5-formylthiophene ≥95% 1g $94 2026-05-26 Buy
Biosynth FAA92848 4,5-Dimethylthiophene-2-carboxaldehyde 2.5g $354 2026-06-04 Buy
Chemenu CM392293 4,5-dimethylthiophene-2-carbaldehyde 95%+ 5g $301 2026-05-20 Buy
Chemenu CM392293 4,5-dimethylthiophene-2-carbaldehyde 95%+ 5g $301 2026-05-26 Buy

Properties

Boiling point :80 °C
Density :1.179
refractive index :1.579
Flash point :82-85°C
storage temp. :Keep in dark place,Inert atmosphere,2-8°C
form :Liquid
color :Clear yellow to brown
Sensitive :Air Sensitive
InChI :1S/C7H8OS/c1-5-3-7(4-8)9-6(5)2/h3-4H,1-2H3
InChIKey :QSBBXKVGLJSGAJ-UHFFFAOYSA-N
SMILES :Cc1cc(C=O)sc1C

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

Description

4,5-Dimethylthiophene-2-carboxaldehyde is a derivatized thiophene compound potentially useful as a building block for synthesis. The thiophene moiety is of particular interest to material design, and 4,5-Dimethylthiophene-2-carboxaldehyde presents the thiophene group with useful functionality for incorporation into materials, with the aldehyde group presenting a handle for different elaborating transformations.

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4,5-DIMETHYLTHIOPHENE-2-CARBOXYLIC ACID
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