GET /compound/cid/{cid}/property/{properties}
Summary: Get compound properties by CID
Operation ID: getCompoundPropertiesByCID
Auth: none
Operation ID: getCompoundPropertiesByCID
Auth: none
Description
Retrieve molecular properties for a compound by its Compound ID (CID).
Parameters (2)
cid
(string, path, required)
PubChem Compound ID
properties
(string, path, required)
Comma-separated list of properties (e.g., MolecularFormula,MolecularWeight,IUPACName)
Examples (3)
| Title | Type | URL | Action |
|---|---|---|---|
| Basic molecular properties for aspirin | curl |
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/2244/property/MolecularFormula,MolecularWeight,IUPACName/JSON |
|
| Structure identifiers for caffeine | curl |
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/2519/property/CanonicalSMILES,IsomericSMILES,InChI,InChIKey/JSON |
|
| Physical properties for ethanol | curl |
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/702/property/XLogP,ExactMass,TPSA,HBondDonorCount,HBondAcceptorCount/JSON |
Probe History
Status Codes
| Time | Status | Latency | Size |
|---|---|---|---|
| 2026-03-23 10:13:29.350960 | 200 | 466ms | |
| 2026-03-23 09:28:38.611904 | 200 | 464ms | |
| 2026-03-23 09:22:24.484290 | 200 | 525ms |
Response Changes
| When | Old | New |
|---|---|---|
| 2026-03-23 09:28:38.611904 | 95388224e17b |
fd9910362f8f |
| 2026-03-23 10:13:29.350960 | fd9910362f8f |
6fe841d537e4 |