UnifyAPI
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chem.formula

mock data$0.001 / call

Molecular Formula & Weight

Get molecular formula and molecular weight for any compound by name, CAS number, or SMILES. Returns formula (e.g. "C9H8O4" for aspirin) and weight in daltons (e.g. 180.157). Accepts any chemical identifier format (NCI CACTUS)

Science & Researchprovider: Chem#chem#science

Input schema

identifierrequired

Chemical identifier — compound name (e.g. "ibuprofen"), CAS number (e.g. "15687-27-1"), or SMILES string. Returns molecular formula and weight

string

Call via REST

curl -X POST https://unifyapi.pro/api/call/chem.formula \
  -H "Authorization: Bearer uak_live_..." \
  -H "Content-Type: application/json" \
  -d '{"identifier":"<identifier>"}'

Try it

Paste a UnifyAPI key (create one in the dashboard) and run a real call.