Sulfurous Acid

Sulfurous Acid

SCHEMBL219901

O=S(O)O.[LiH]

nearest known ligand 0.00

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⚠ Novel chemotype — no close known analogue (best Tanimoto < 0.3). Unexplored chemical space relative to ChEMBL.

Similar compounds — the chemically nearest patent molecules

Nearest neighbours by Morgan-fingerprint cosine across the patent-compound collection, with each neighbour's top predicted target and the predicted targets it shares with this molecule.

Compoundsimilaritytop predictedshared targets
Sulfurous Acid SCHEMBL20699835 0.94
Sulfurous Acid SCHEMBL10606262 0.94 CA1 (0.75)
Sulfurous Acid SCHEMBL11050920 0.94
Sulfurous Acid SCHEMBL4445469 0.94
Sulfurous Acid SCHEMBL11413369 0.94 CA1 (0.75)
Sulfurous Acid SCHEMBL16034918 0.94 CA1 (0.75)
Sulfurous Acid SCHEMBL27774349 0.94 CA1 (0.75)
Sulfurous Acid SCHEMBL6560692 0.94
Sulfurous Acid SCHEMBL3990309 0.93 CA1 (1.00)
Sulfurous Acid SCHEMBL146059 0.93

Similarity is cosine over the 2,048-bit Morgan fingerprint (≈ Tanimoto). Identical fingerprints score 1.00.

Patent provenance — the patents this molecule appears in, and who filed them

Appears in 3219 patents — a generic fragment claimed broadly, so it's down-weighted as IP noise. Top by claim status then date:

PatentTitleAssigneePublishedPriorityFilingCountryStatus
US-20260142172-A1 SECONDARY BATTERY AND POWER CONSUMING APPARATUS CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED (CN) 2026-05-21 US claimed
CN-122029657-A Battery monomer and electricity utilization device 宁德时代新能源科技股份有限公司 2026-05-12 CN claimed
CN-122025628-A Lithium sulfide, preparation method thereof and solid-state battery 湖北金泉新材料有限公司 2026-05-12 CN claimed
EP-4726802-A1 SECONDARY BATTERY AND ELECTRIC DEVICE Contemporary Amperex Technology Co., Limited (CN) 2026-04-15 EP claimed
EP-4719989-A1 A PROCESS FOR PRODUCING CARBON IMPURITY REDUCED/CARBON IMPURITY FREE LITHIUM SULFIDE, SAID CARBON IMPURITY REDUCED/CARBON IMPURITY FREE LITHIUM SULFIDE, AND ITS USE FOR PRODUCING SOLID-STATE ELECTROLYTES AND SOLID-STATE BATTERIES Albemarle Germany GmbH (DE) 2026-04-08 EP claimed
US-20260028490-A1 STABILISED MINERAL SUSPENSION COATEX (FR) 2026-01-29 US claimed
EP-3825278-B1 METHOD FOR PREPARING HIGH-PURITY BISFLUOROSULFONYLIMIDE SALT SHANGHAI ROLECHEM CO LTD (CN) 2025-12-17 EP claimed
US-20250361402-A1 STABILISED CONCENTRATED MINERAL SUSPENSION COATEX (FR) 2025-11-27 US claimed
US-12476241-B2 Positive electrode lithium replenishment material, preparation method and uses thereof CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED (CN) 2025-11-18 US claimed
US-20250340436-A1 METHODS FOR RECOVERING IODINE (I2) SOLSTICE ADVANCED MATERIALS US, INC. 2025-11-06 US claimed
EP-0067001-A2 Developer composition KONICA CORPORATION (JP) 1982-12-15 EP claimed
US-4346709-A Drug delivery devices comprising erodible polymer and erosion rate modifier ALZA CORPORATION (US) 1982-08-31 US claimed
US-4328132-A Color stabilization of flame retardant PHILLIPS PETROLEUM COMPANY (US) 1982-05-04 US claimed
US-4294911-A AND A QUATERNARY ALKANOL AMMONIUM HYDROXIDE DEVELOPING AGENT EASTMAN KODAK COMPANY (US) 1981-10-13 US claimed
US-4226939-A Treatment of make-up water for use in a fermentation process for growth of yeast cells requiring growth factors PHILLIPS PETROLEUM COMPANY (US) 1980-10-07 US claimed
US-4186006-A AQUEOUS DEVELOPER OF BENZYL ALCOHOL, A-METHYL-BENZYL ALCOHOL, PHENOXYETHANAL OR BENZYLOXYETHANOL, ANIONIC SURFACTANT, AND WATER-SOLUBLE SULFITE FUJI PHOTO FILM CO., LTD. (JP) 1980-01-29 US claimed
US-4140651-A A BASE, A SULFITE ANION SOURCE, A SURFACTANT, AND WATER, SCRUBBING NOX RESEARCH CORP. (US) 1979-02-20 US claimed
US-4102642-A METAL SULFITE, CARBONATE BANKS JOHN B 1978-07-25 US claimed
US-4087457-A Air initiation for detergent range pendant or internal olefin sulfitation CONTINENTAL OIL COMPANY (US) 1978-05-02 US claimed
US-3947491-A INHIBIT COLOR FORMATION THE PURDUE FREDERICK COMPANY (US) 1976-03-30 US claimed