Sulfurous Acid

Sulfurous Acid

SCHEMBL65585

O=S([O-])O.[K+]

nearest known ligand 0.00

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Known targets — ChEMBL curated mechanism

AGTR1DHFRGABBR1GABBR2GABRA1GABRA2GABRA3GABRA4GABRA5GABRA6GABRB1GABRB2GABRB3GABRDGABREGABRG1GABRG2GABRG3GABRPGABRQGARTNR3C2PBP2XPTGS1PTGS2VKORC1blablaT-3blaT-4blaT-5blaT-6dacAdacBdacCfolAftsImrcAmrcBmrdApbp1apbp1bpbp2apbp2bpbp3polthyA

The experimentally established mechanism targets of Sulfurous Acid. The predicted profile below is derived independently by chemical similarity — agreement is a validation signal, a miss is honest.

⚠ 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 SCHEMBL4280222 1.00 CA1 (0.50)
Sulfurous Acid SCHEMBL1181517 0.95
Sulfurous Acid SCHEMBL22817896 0.95 CA1 (0.46)
Sulfurous Acid SCHEMBL28977015 0.95 CA1 (0.46)
Sulfurous Acid SCHEMBL8675543 0.95
Sulfurous Acid SCHEMBL9489555 0.95 CA1 (0.46)
Sulfurous Acid SCHEMBL8904099 0.95
Sulfurous Acid SCHEMBL8682948 0.95
Sulfurous Acid SCHEMBL3928949 0.95
Sulfurous Acid SCHEMBL28467837 0.95 CA1 (0.46)

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 16117 patents — a generic fragment claimed broadly, so it's down-weighted as IP noise. Top by claim status then date:

PatentTitleAssigneePublishedPriorityFilingCountryStatus
CN-116948095-B Polymer, ultra-high temperature oil well cement retarder, preparation method and application thereof, and cement slurry CHINA NATIONAL PETROLEUM CORP. (CN) 2026-05-26 CN claimed
WO-2026102393-A1 COMPOSITIONS AND METHODS FOR PRODUCING ALLULOSE DANISCO US INC. (US) 2026-05-15 WO claimed
CN-122055356-A Process for preparing 4-chloro-5- (4-tolyl) -1H-imidazole-2-carbonitrile 克罗普诺赛斯(印度)私人有限公司 2026-05-15 CN claimed
US-20260132093-A1 LIQUID FERTILIZERS COMPRISING POTASSIUM AND POTASSIUM SOLUBILIZING MICROORGANISMS TESSENDERLO GROUP NV (BE) 2026-05-14 US claimed
WO-2026090627-A1 STABLE PITOLISANT LIQUID FORMULATIONS AND METHOD OF ITS USE PATEL SANDIPKUMAR (US) 2026-04-30 WO claimed
EP-4357377-B1 METHOD FOR PRODUCING FLUORINE-CONTAINING COPOLYMER AGC INC (JP) 2026-04-08 EP claimed
EP-4709888-A1 ORE FILTRATION Coatex (FR) 2026-03-18 EP claimed
US-12568977-B2 Leavening agents Kudos Blend Ltd. (GB) 2026-03-10 US claimed
EP-4701433-A1 METHOD FOR PROCESSING WET POMACE Herbstreith & Fox GmbH & Co. KG Pektin-Fabriken (DE) 2026-03-04 EP claimed
EP-4324331-B1 METHOD TO PRODUCE A CLEAR PROTEIN INGREDIENT FROM SUNFLOWERSEEDS CEREAL DOCKS S P A (IT) 2026-03-04 EP claimed
US-3992508-A Method of removing nitrogen oxides from a gas containing nitrogen oxides KUREHA KAGAKU KOGYO KABUSHIKI KAISHA (JA) 1976-11-16 US claimed
US-3991161-A Method of removing nitrogen oxides from a gas and for converting same to ammonium sulfate KUREHA KAGAKU KOGYO KABUSHIKI KAISHA (JA) 1976-11-09 US claimed
US-3982040-A DESUGARED, 1A METAL BISULFITE THE PROCTER & GAMBLE COMPANY (US) 1976-09-21 US claimed
US-3979348-A REACTION WITH FORMALDEHYDE-AMINE OR FORMALDEHYDE-SULFUROUS ACID ADDUCT NALCO CHEMICAL COMPANY (US) 1976-09-07 US claimed
US-3975540-A ANTIINFLAMMATORY, ANALGESIC, ANTIPYRETIC SYNTEX (U.S.A.) INC. (US) 1976-08-17 US claimed
US-3973074-A POTASSIUM HYDROXIDE OR CARBONATE MACMILLAN BLOEDEL LIMITED (CA) 1976-08-03 US claimed
US-3966903-A ALKYLENE CARBONATE SHISEIDO CO., LTD. (JA) 1976-06-29 US claimed
US-3966991-A 1A BISULFITE THE PROCTER & GAMBLE COMPANY (US) 1976-06-29 US claimed
US-3961029-A Process for recovering chromic acid solution from a waste liquor containing chromic ions TOKICO LTD. (JA) 1976-06-01 US claimed
US-3954724-A ADDITION POLYMERIZATION SUMITOMO CHEMICAL COMPANY, LIMITED (JA) 1976-05-04 US claimed