SULFATE ION

Isomeric SMILES

[O-]S(=O)(=O)[O-]

InChI

Not curated

{
  "aliases": [
    "SULFATE ION"
  ],
  "ccd_ids": [
    "SO4"
  ],
  "ccd_names": "[\"SULFATE ION\"]",
  "ccd_types": "[\"non-polymer\"]",
  "chemical_id": "INCHIKEY:QAOWNCQODCNURD-UHFFFAOYSA-L",
  "connectivity_block": "QAOWNCQODCNURD",
  "curated_source_sha256": null,
  "curation_version": "frozen-v1.2",
  "external_identifiers": {},
  "formal_charge_by_ccd": "{\"SO4\": -2}",
  "formulae": "[\"O4 S\"]",
  "geometry_note": "CCD ideal SDF is a reference chemical geometry, not a deposited bound pose.",
  "identity_status": "complete_deposited_InChIKey",
  "inchikey": "QAOWNCQODCNURD-UHFFFAOYSA-L",
  "inventory_origin": "v1_CCD_inventory",
  "isomeric_smiles": "[O-]S(=O)(=O)[O-]",
  "primary_name": "SULFATE ION",
  "retrieval_date": "2026-10-24",
  "smiles_stereo_by_ccd": "{\"SO4\": \"[O-]S(=O)(=O)[O-]\"}",
  "source_metadata_sha256": "{\"SO4\": \"57aceedeab06d4d0d48593c491d478dbdabd9dbf9523330e338df7d2bf58e992\"}",
  "source_urls": [
    "https://www.rcsb.org/ligand/SO4"
  ]
}