HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 2762507Generated: October 23, 2026
5-Amino-2-methoxypyridine-4-carboxylic acid
5-AMINO-2-METHOXY-ISONICOTINIC ACID · 5-Amino-2-methoxy-isonicotinic acid ,97% · 5-amino-2-methoxypyridine-4-carboxylicaci · 5-AMINO-2-METHOXYPYRIDINE-4-CARBOXYLIC ACID · 4-Pyridinecarboxylic acid, 5-amino-2-methoxy- · 5-Amino-2-methoxypyridine-4-carboxylic acid ,97% · 5-AMINO-2-METHOXY-ISONICOTINIC ACID ISO 9001：2015 REACH
https://huagongshe.com/en/chemical/2762507
Identifiers & Physical Properties
| CAS No. | 183741-91-5 |
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| Molecular formula | C7H8N2O3 |
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| Average molar mass | 168.15 g/mol |
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| Monoisotopic mass | 168.05349212 g/mol |
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| SMILES | COc1cc(C(=O)O)c(N)cn1 |
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| InChIKey | BFYPMZJYCXUXFW-UHFFFAOYSA-N |
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| PubChem CID | 2762507 |
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| EC No. | 803-234-9 |
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| DTXSID | DTXSID20376274 |
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Chemical & Physical Properties
| XLogP | 0.6 |
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| Topological polar surface area | 85.4 |
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| Hydrogen bond donors | 2 |
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| Hydrogen bond acceptors | 5 |
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| Rotatable bonds | 2 |
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| Heavy atoms | 12 |
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| Formal charge | 0 |
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| Complexity | 174 |
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| Melting point | 217-221℃ |
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| Boiling point | 469.5±45.0 °C(Predicted) |
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| Density | 1.384 |
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| Storage conditions | under inert gas (nitrogen or Argon) at 2–8 °C |
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| pKa (acidity coefficient) | 5.31±0.10(Predicted) |
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| Appearance | Light yellow to yellow Solid |
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| GHS pictogram | GHS07 |
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| Signal word | Warning |
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| GHS hazard statements | H302 |
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| GHS precautionary statements | P280-P305+P351+P338 |
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| Hazard symbols | Xn |
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| Risk statements (R) | 22-36/37/38 |
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| Safety statements (S) | 26-36/37/39 |
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| Customs code | 29339900 |
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Safety & Regulations
| GHS classification | WarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 38 reports by companies from 1 notifications to the ECHA C&L Inventory.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. |
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| Hazard Classes and Categories | Acute Tox. 4 (100%) |
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| Customs code | 29339900 |
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| Risk statements (R) | 22-36/37/38 |
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| Signal word | Warning |
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| GHS pictogram | GHS07 |
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| Hazard symbols | Xn |
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| Safety statements (S) | 26-36/37/39 |
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| GHS hazard statements | H302 |
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| GHS precautionary statements | P280-P305+P351+P338 |
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