{output}: Get compound properties by CID

API: nih.gov:pubchem-property-api
Endpoint: /compound/cid/{cid}/property/{properties}/{output}
Response format: application/json
Auth: unknown
Method: GET
Last Status: 200
Latency: 494ms

Description

Retrieve chemical properties for a compound specified by its PubChem Compound ID (CID)

Parameters (3)

cid (integer, path, required)

PubChem Compound ID

output (string, path, required, default: JSON)

Output format

Constraints: {'enum': ['JSON', 'XML']}

properties (string, path, required)

Comma-separated list of properties to retrieve

Examples (3)

Get properties by CID openapi-spec 
curl 'https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/2244/property/MolecularFormula,MolecularWeight,CanonicalSMILES/JSON'
import requests

resp = requests.get("https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/2244/property/MolecularFormula,MolecularWeight,CanonicalSMILES/JSON")
data = resp.json()
import zingu_apis

api = zingu_apis.api("pubchem-property")
result = api.fetch("compound/cid/{cid}/property/{properties}/{output}")

for item in result:
    print(item)
const resp = await fetch("https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/2244/property/MolecularFormula,MolecularWeight,CanonicalSMILES/JSON");
const data = await resp.json();
Get compound properties by CID openapi-spec 
curl 'https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/962/property/MolecularFormula,MolecularWeight,IUPACName/{output}'
import requests

resp = requests.get("https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/962/property/MolecularFormula,MolecularWeight,IUPACName/{output}")
data = resp.json()
import zingu_apis

api = zingu_apis.api("pubchem-property")
result = api.fetch("compound/cid/{cid}/property/{properties}/{output}")

for item in result:
    print(item)
const resp = await fetch("https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/962/property/MolecularFormula,MolecularWeight,IUPACName/{output}");
const data = await resp.json();
Get compound properties by CID probe-gate 
curl 'https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/962/property/MolecularFormula,MolecularWeight,IUPACName/JSON'
import requests

resp = requests.get("https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/962/property/MolecularFormula,MolecularWeight,IUPACName/JSON")
data = resp.json()
import zingu_apis

api = zingu_apis.api("pubchem-property")
result = api.fetch("compound/cid/{cid}/property/{properties}/{output}")

for item in result:
    print(item)
const resp = await fetch("https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/962/property/MolecularFormula,MolecularWeight,IUPACName/JSON");
const data = await resp.json();

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-04-16 03:19:28.815415 200 494ms
2026-04-16 00:13:57.993219 200 683ms
2026-04-15 01:17:47.934322 200 503ms
2026-04-15 00:11:59.287144 200 457ms
2026-04-14 01:10:49.712908 200 498ms
2026-04-14 00:11:15.325122 200 492ms
2026-04-12 13:54:20.193298 200 435ms
2026-04-12 13:36:02.319162 200 557ms
2026-04-10 01:21:06.252744 200 1096ms
2026-04-10 00:04:15.690251 200 519ms
2026-04-09 00:54:36.435726 200 516ms
2026-04-09 00:25:46.899526 200 559ms
2026-03-23 10:22:37.183833 200 397ms
2026-03-23 09:42:23.807090 200 456ms