HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 5200375Generated: October 31, 2026
5-(acetylamino)thiophene-2-carboxylic acid
5-Acetamidothiophene-2-carboxylic acid · 5-(acetylamino)-2-Thiophenecarboxylic acid
https://huagongshe.com/en/chemical/5200375
Identifiers & Physical Properties
| CAS No. | 89499-46-7 |
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| Molecular formula | C7H7NO3S |
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| Average molar mass | 185.204 g/mol |
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| Monoisotopic mass | 185.01466408 g/mol |
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| SMILES | CC(=O)Nc1ccc(C(=O)O)s1 |
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| InChIKey | ZRQHWNVTOWFQTA-UHFFFAOYSA-N |
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| PubChem CID | 5200375 |
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| DTXSID | DTXSID00409453 |
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Chemical & Physical Properties
| Melting point | 272 °C |
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| Boiling point | 471.3±30.0 °C(Predicted) |
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| Density | 1.487±0.06 g/cm3(Predicted) |
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| pKa (acidity coefficient) | 3+-.0.10(Predicted) |
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| GHS pictogram | GHS07 |
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| Signal word | Warning |
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| GHS hazard statements | H302-H315-H319-H335 |
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| GHS precautionary statements | P280-P305+P351+P338 |
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Safety & Regulations
| Signal word | Warning |
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| GHS pictogram | GHS07 |
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| GHS hazard statements | H302-H315-H319-H335 |
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| GHS precautionary statements | P280-P305+P351+P338 |
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