GET /substance/sid/{sid}/cids
Summary: Get CIDs for a substance
Operation ID: getCIDsBySID
Auth: none
Operation ID: getCIDsBySID
Auth: none
Description
Retrieve compound IDs associated with a substance by its SID.
Parameters (1)
sid
(string, path, required)
PubChem Substance ID
Examples (3)
| Title | Type | URL | Action |
|---|---|---|---|
| Get CIDs for substance SID 1234 | curl |
https://pubchem.ncbi.nlm.nih.gov/rest/pug/substance/sid/1234/cids |
|
| Get CIDs for substance SID 5090 | curl |
https://pubchem.ncbi.nlm.nih.gov/rest/pug/substance/sid/5090/cids |
|
| Get CIDs for substance SID 100000 | curl |
https://pubchem.ncbi.nlm.nih.gov/rest/pug/substance/sid/100000/cids |
Probe History
Status Codes
| Time | Status | Latency | Size |
|---|---|---|---|
| 2026-03-23 10:25:04.519844 | 200 | 380ms | |
| 2026-03-23 10:19:38.929459 | 200 | 379ms | |
| 2026-03-23 10:11:51.038032 | 200 | 458ms |
Response Changes
| When | Old | New |
|---|---|---|
| 2026-03-23 10:19:38.929459 | d0e49c4bf95e |
5882475a1e99 |
| 2026-03-23 10:25:04.519844 | 5882475a1e99 |
e930010877f7 |