3-Methylisothiazole-4-carboxylic acid
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- $12 - $1988
- Product name: 3-Methylisothiazole-4-carboxylic acid
- CAS: 15903-66-9
- MF: C5H5NO2S
- MW: 143.16
- EINECS:
- MDL Number:MFCD00030523
- Synonyms:3-Methylisothiazole-4-carboxylic acid;3-Methyl-4-isothiazolecarboxylic acid;3-Methyl-1,2-thiazole-4-carboxylic acid;4-Isothiazolecarboxylic acid, 3-methyl-;3-methyl-1,2-thiazole-4-carboxylic acid - [M83293]
47 prices
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Brand
- aablocks
- ACHEMBLOCK
- Acints
- Advanced Chemicals Intermediat
- Advanced Chemicals Intermediatesced Chemicals Intermediates
- AK Scientific
- Alichem
- Ambeed
- American Custom Chemicals Corporation
- Arctom
- Chemenu
- Crysdot
- Matrix Scientific
- Sigma-Aldrich
- SynChem
- Synthonix
- TRC
Package
- 50mg
- 100mg
- 250mg
- 500mg
- 1g
- 5g
- 10g
- 25G
- Manufactureraablocks
- Product numberAA001QCO
- Product description3-Methylisothiazole-4-carboxylic acid 95%
- Packaging100mg
- Price$12
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA001QCO
- Product description3-Methylisothiazole-4-carboxylic acid 95%
- Packaging250mg
- Price$16
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA001QCO
- Product description3-Methylisothiazole-4-carboxylic acid 95%
- Packaging1g
- Price$57
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA001QCO
- Product description3-Methylisothiazole-4-carboxylic acid 95%
- Packaging5g
- Price$194
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA001QCO
- Product description3-Methylisothiazole-4-carboxylic acid 95%
- Packaging10g
- Price$387
- Updated2026-05-28
- Buy
- ManufacturerACHEMBLOCK
- Product numberU133058
- Product description3-methyl-1,2-thiazole-4-carboxylic acid 97%
- Packaging5G
- Price$295
- Updated2026-05-27
- Buy
- ManufacturerACHEMBLOCK
- Product numberU133058
- Product description3-methyl-1,2-thiazole-4-carboxylic acid 97%
- Packaging25G
- Price$1180
- Updated2026-05-27
- Buy
- ManufacturerAcints
- Product numberACI-00941
- Product description3-Methylisothiazole-4-carboxylic acid 95%+
- Packaging5g
- Price$543.75
- Updated2021-12-16
- Buy
- ManufacturerAcints
- Product numberACI-00941
- Product description3-Methyl-isothiazole-4-carboxylic acid 95%+
- Packaging5g
- Price$633.15
- Updated2026-05-20
- Buy
- ManufacturerAcints
- Product numberACI-00941
- Product description3-Methyl-isothiazole-4-carboxylic acid 95%+
- Packaging1g
- Price$202.5
- Updated2026-05-20
- Buy
- ManufacturerAcints
- Product numberACI-00941
- Product description3-Methyl-isothiazole-4-carboxylic acid 95%+
- Packaging500mg
- Price$126.9
- Updated2026-05-20
- Buy
- ManufacturerAcints
- Product numberACI-00941
- Product description3-Methylisothiazole-4-carboxylic acid 95%+
- Packaging1g
- Price$174
- Updated2021-12-16
- Buy
- ManufacturerAdvanced Chemicals Intermediat
- Product numberACI-00941
- Product description3-Methyl-isothiazole-4-carboxylic acid 95%+
- Packaging1g
- Price$202.5
- Updated2026-05-19
- Buy
- ManufacturerAdvanced Chemicals Intermediat
- Product numberACI-00941
- Product description3-Methyl-isothiazole-4-carboxylic acid 95%+
- Packaging500mg
- Price$126.9
- Updated2026-05-19
- Buy
- ManufacturerAdvanced Chemicals Intermediat
- Product numberACI-00941
- Product description3-Methyl-isothiazole-4-carboxylic acid 95%+
- Packaging5g
- Price$633.15
- Updated2026-05-19
- Buy
- ManufacturerAdvanced Chemicals Intermediatesced Chemicals Intermediates
- Product numberACI-00941
- Product description3-Methylisothiazole-4-carboxylic acid 95%+
- Packaging500mg
- Price$108.75
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA001QCO | 3-Methylisothiazole-4-carboxylic acid 95% | 100mg | $12 | 2026-05-28 | Buy |
| aablocks | AA001QCO | 3-Methylisothiazole-4-carboxylic acid 95% | 250mg | $16 | 2026-05-28 | Buy |
| aablocks | AA001QCO | 3-Methylisothiazole-4-carboxylic acid 95% | 1g | $57 | 2026-05-28 | Buy |
| aablocks | AA001QCO | 3-Methylisothiazole-4-carboxylic acid 95% | 5g | $194 | 2026-05-28 | Buy |
| aablocks | AA001QCO | 3-Methylisothiazole-4-carboxylic acid 95% | 10g | $387 | 2026-05-28 | Buy |
| ACHEMBLOCK | U133058 | 3-methyl-1,2-thiazole-4-carboxylic acid 97% | 5G | $295 | 2026-05-27 | Buy |
| ACHEMBLOCK | U133058 | 3-methyl-1,2-thiazole-4-carboxylic acid 97% | 25G | $1180 | 2026-05-27 | Buy |
| Acints | ACI-00941 | 3-Methylisothiazole-4-carboxylic acid 95%+ | 5g | $543.75 | 2021-12-16 | Buy |
| Acints | ACI-00941 | 3-Methyl-isothiazole-4-carboxylic acid 95%+ | 5g | $633.15 | 2026-05-20 | Buy |
| Acints | ACI-00941 | 3-Methyl-isothiazole-4-carboxylic acid 95%+ | 1g | $202.5 | 2026-05-20 | Buy |
| Acints | ACI-00941 | 3-Methyl-isothiazole-4-carboxylic acid 95%+ | 500mg | $126.9 | 2026-05-20 | Buy |
| Acints | ACI-00941 | 3-Methylisothiazole-4-carboxylic acid 95%+ | 1g | $174 | 2021-12-16 | Buy |
| Advanced Chemicals Intermediat | ACI-00941 | 3-Methyl-isothiazole-4-carboxylic acid 95%+ | 1g | $202.5 | 2026-05-19 | Buy |
| Advanced Chemicals Intermediat | ACI-00941 | 3-Methyl-isothiazole-4-carboxylic acid 95%+ | 500mg | $126.9 | 2026-05-19 | Buy |
| Advanced Chemicals Intermediat | ACI-00941 | 3-Methyl-isothiazole-4-carboxylic acid 95%+ | 5g | $633.15 | 2026-05-19 | Buy |
| Advanced Chemicals Intermediatesced Chemicals Intermediates | ACI-00941 | 3-Methylisothiazole-4-carboxylic acid 95%+ | 500mg | $108.75 | 2021-12-16 | Buy |
Properties
Melting point :235.5-237.5 °C
Boiling point :91.5-93 °C(Press: 3 Torr)
Density :1.418±0.06 g/cm3(Predicted)
storage temp. :Sealed in dry,Room Temperature
form :solid
pka :1.78±0.25(Predicted)
Appearance :Off-white to yellow Solid
InChI :1S/C5H5NO2S/c1-3-4(5(7)8)2-9-6-3/h2H,1H3,(H,7,8)
InChIKey :BOTUFHIAKJCIPY-UHFFFAOYSA-N
SMILES :CC1=NSC=C1C(O)=O
Boiling point :91.5-93 °C(Press: 3 Torr)
Density :1.418±0.06 g/cm3(Predicted)
storage temp. :Sealed in dry,Room Temperature
form :solid
pka :1.78±0.25(Predicted)
Appearance :Off-white to yellow Solid
InChI :1S/C5H5NO2S/c1-3-4(5(7)8)2-9-6-3/h2H,1H3,(H,7,8)
InChIKey :BOTUFHIAKJCIPY-UHFFFAOYSA-N
SMILES :CC1=NSC=C1C(O)=O
Safety Information
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| Signal word: | Warning | ||||||||||||||||||||||||||||||||||||||||||
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Description
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3-Methylisothiazole-4-carboxylic acid
CAS:15903-66-9