{"hq_id":"hq-c-org-001995","name":"4:2 FTS (4:2 Fluorotelomer sulfonate)","context":"human_adult","risk_level":"moderate","schema":"legacy","note":"Synthesis unavailable: compound lacks vectorizable regulatory classifications. Raw safety data returned.","data":{"risk_level":"moderate","summary":"Short-chain — shorter half-life. Transforms to short-chain PFCAs. Detected in blood of firefighters."},"meta":{"synthesis_version":"n/a","timestamp":"2026-05-01T19:44:51.712Z"}}