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ChemicalBook >> CAS DataBase List >> 4-Methyl-2-thiophenecarboxylic acid

4-Methyl-2-thiophenecarboxylic acid

4-Methyl-2-thiophenecarboxylic acid price.
  • $7 - $1228.69
  • Product name: 4-Methyl-2-thiophenecarboxylic acid
  • CAS: 14282-78-1
  • MF: C6H6O2S
  • MW: 142.18
  • EINECS:
  • MDL Number:MFCD00089284
  • Synonyms:BUTTPARK 99\15-30;ASINEX-REAG BAS 07664671;2-Carboxy-4-methylthiophene;2-Carboxy-4-methylthiophene, 4-Methyl-2-thenoic acid;4-Methylthiophene-2-carboxylic acid 97%;4-Methyl-2-thiophenecarboxylic acid;4-methylthiophen-2-carboxlic acid;4-methylthiophen-2-carboxylic acid
Price66 Properties Safety Information Description
66 prices
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  • Manufactureraablocks
  • Product numberAA006XER
  • Product description4-Methylthiophene-2-carboxylic acid 95%
  • Packaging1g
  • Price$7
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA006XER
  • Product description4-Methylthiophene-2-carboxylic acid 95%
  • Packaging5g
  • Price$14
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA006XER
  • Product description4-Methylthiophene-2-carboxylic acid 95%
  • Packaging25g
  • Price$43
  • Updated2026-05-28
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  • ManufacturerACHEMBLOCK
  • Product numberG-7586
  • Product description4-Methylthiophene-2-carboxylic acid 97%
  • Packaging100G
  • Price$475
  • Updated2026-05-27
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  • ManufacturerAcints
  • Product numberACI-R03-00009
  • Product description4-Methyl-thiophene-2-carboxylic acid 95+%
  • Packaging5g
  • Price$30
  • Updated2026-05-20
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  • ManufacturerAcints
  • Product numberACI-R03-00009
  • Product description4-Methyl-thiophene-2-carboxylic acid 95+%
  • Packaging1g
  • Price$19
  • Updated2026-05-20
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  • ManufacturerAcints
  • Product numberACI-R03-00009
  • Product description4-Methyl-thiophene-2-carboxylic acid 95+%
  • Packaging25g
  • Price$142
  • Updated2026-05-20
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  • ManufacturerActivate Scientific
  • Product numberAS55758
  • Product description4-Methylthiophene-2-carboxylic acid 97%
  • Packaging25g
  • Price$204
  • Updated2026-06-04
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  • ManufacturerActivate Scientific
  • Product numberAS55758
  • Product description4-Methylthiophene-2-carboxylic acid 97%
  • Packaging5g
  • Price$52
  • Updated2026-06-04
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  • ManufacturerActivate Scientific
  • Product numberAS55758
  • Product description4-Methylthiophene-2-carboxylic acid 97%
  • Packaging1g
  • Price$26
  • Updated2026-06-04
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  • ManufacturerAdvanced Chemicals Intermediat
  • Product numberACI-R03-00009
  • Product description4-Methyl-thiophene-2-carboxylic acid 95+%
  • Packaging5g
  • Price$30
  • Updated2026-05-19
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  • ManufacturerAdvanced Chemicals Intermediat
  • Product numberACI-R03-00009
  • Product description4-Methyl-thiophene-2-carboxylic acid 95+%
  • Packaging1g
  • Price$19
  • Updated2026-05-19
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  • ManufacturerAdvanced Chemicals Intermediat
  • Product numberACI-R03-00009
  • Product description4-Methyl-thiophene-2-carboxylic acid 95+%
  • Packaging25g
  • Price$142
  • Updated2026-05-19
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  • ManufacturerAHH
  • Product numberMT-18972
  • Product description4-Methyl-2-thiophenecarboxylic acid 97%
  • Packaging5g
  • Price$315
  • Updated2026-05-26
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  • ManufacturerAK Scientific
  • Product numberZ0185
  • Product description4-Methyl-2-thiophenecarboxylicacid
  • Packaging5g
  • Price$108
  • Updated2021-12-16
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  • ManufacturerAlichem
  • Product number14282781
  • Product description4-Methylthiophene-2-carboxylic acid
  • Packaging100g
  • Price$371.28
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA006XER 4-Methylthiophene-2-carboxylic acid 95% 1g $7 2026-05-28 Buy
aablocks AA006XER 4-Methylthiophene-2-carboxylic acid 95% 5g $14 2026-05-28 Buy
aablocks AA006XER 4-Methylthiophene-2-carboxylic acid 95% 25g $43 2026-05-28 Buy
ACHEMBLOCK G-7586 4-Methylthiophene-2-carboxylic acid 97% 100G $475 2026-05-27 Buy
Acints ACI-R03-00009 4-Methyl-thiophene-2-carboxylic acid 95+% 5g $30 2026-05-20 Buy
Acints ACI-R03-00009 4-Methyl-thiophene-2-carboxylic acid 95+% 1g $19 2026-05-20 Buy
Acints ACI-R03-00009 4-Methyl-thiophene-2-carboxylic acid 95+% 25g $142 2026-05-20 Buy
Activate Scientific AS55758 4-Methylthiophene-2-carboxylic acid 97% 25g $204 2026-06-04 Buy
Activate Scientific AS55758 4-Methylthiophene-2-carboxylic acid 97% 5g $52 2026-06-04 Buy
Activate Scientific AS55758 4-Methylthiophene-2-carboxylic acid 97% 1g $26 2026-06-04 Buy
Advanced Chemicals Intermediat ACI-R03-00009 4-Methyl-thiophene-2-carboxylic acid 95+% 5g $30 2026-05-19 Buy
Advanced Chemicals Intermediat ACI-R03-00009 4-Methyl-thiophene-2-carboxylic acid 95+% 1g $19 2026-05-19 Buy
Advanced Chemicals Intermediat ACI-R03-00009 4-Methyl-thiophene-2-carboxylic acid 95+% 25g $142 2026-05-19 Buy
AHH MT-18972 4-Methyl-2-thiophenecarboxylic acid 97% 5g $315 2026-05-26 Buy
AK Scientific Z0185 4-Methyl-2-thiophenecarboxylicacid 5g $108 2021-12-16 Buy
Alichem 14282781 4-Methylthiophene-2-carboxylic acid 100g $371.28 2021-12-16 Buy
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Properties

Melting point :122-126 °C(lit.)
Boiling point :158 °C(Press: 16 Torr)
Density :1.319±0.06 g/cm3(Predicted)
storage temp. :Keep in dark place,Sealed in dry,Room Temperature
form :solid
pka :3.76±0.10(Predicted)
Appearance :Light yellow to yellow Solid
InChI :1S/C6H6O2S/c1-4-2-5(6(7)8)9-3-4/h2-3H,1H3,(H,7,8)
InChIKey :YCIVJGQMXZZPAB-UHFFFAOYSA-N
SMILES :Cc1csc(c1)C(O)=O
CAS DataBase Reference :14282-78-1(CAS DataBase Reference)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

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