chem-pubchem-compound

Installation
SKILL.md

PubChem compound properties

chem.pubchem-compound on https://fittings.sh. One endpoint, health and medicine.

Structure and computed properties for a compound by name, CAS number, PubChem CID or SMILES: formula, weight, InChI, logP, TPSA and H-bond counts.

The call

GET https://fittings.sh/v1/chem/pubchem-compound
Field Type Required Notes
name string no Compound name or CAS number, e.g. aspirin or 50-78-2
cid number no PubChem compound id
smiles string no SMILES string

Example input:

Installs
3
First Seen
Aug 18, 2026