Nitrous Acid

Nitrous Acid

SCHEMBL78137

O=NO.[CaH2]

nearest known ligand 0.00

Full drug profile on Sugi Atlas →

⚠ 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
Nitrous Acid SCHEMBL9150857 1.00
Nitrous Acid SCHEMBL11142292 0.94
Nitrous Acid SCHEMBL16566649 0.94
Nitrous Acid SCHEMBL715655 0.94
Nitrous Acid SCHEMBL9063370 0.94
Nitrous Acid SCHEMBL9063359 0.94
Nitrous Acid SCHEMBL715658 0.94
Nitrous Acid SCHEMBL11342810 0.94
Nitrous Acid SCHEMBL3144387 0.94
Nitrous Acid SCHEMBL896736 0.94

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 10567 patents — a generic fragment claimed broadly, so it's down-weighted as IP noise. Top by claim status then date:

PatentTitleAssigneePublishedPriorityFilingCountryStatus
CN-122079789-A Green synthesis method of deuterated methylamine hydrochloride based on continuous flow technology 2026-05-26 CN claimed
CN-122079788-A Green synthesis method of methane-methylamine hydrochloride based on continuous flow technology 2026-05-26 CN claimed
WO-2026106600-A1 PROCESSES FOR MAKING STEEL PRODUCTS ECOLAB USA INC. (US) 2026-05-21 WO claimed
CN-122070151-A Nitric oxide generating/releasing medical device 斯特里莱国家有限公司 2026-05-19 CN claimed
CN-122036294-A Chloride corrosion resistant concrete in severe cold environment and preparation method thereof 鄂尔多斯应用技术学院 2026-05-15 CN claimed
CN-122034109-A Construction method of precast concrete member 中建科技成都有限公司 2026-05-15 CN claimed
CN-122010511-A Silicate modified fly ash-based low-temperature grouting material and preparation method thereof 山西浩博瑞新材料有限公司 2026-05-12 CN claimed
EP-4735398-A1 CEMENTITIOUS PRODUCTS INCLUDING ADMIXTURES, AND ASSOCIATED SYSTEMS AND METHODS Graymont Western Canada Inc. (CA) 2026-05-06 EP claimed
EP-4734963-A1 NITRIC OXIDE CONTAINING FOAM FORMULATION FOR TOPICAL MEDICAL USE Noxy Health Products, Inc. (US) 2026-05-06 EP claimed
US-12617889-B1 Polymers for use as anion exchange membranes ENVISION ENERGY USA LTD. (US) 2026-05-05 US claimed
US-4153473-A APPLYING CALCIUM NITRITE, NONCORROSIVE W. R. GRACE & CO. (US) 1979-05-08 US claimed
US-4092109-A CALCIUM NITRITE W. R. GRACE & CO. (US) 1978-05-30 US claimed
US-4082617-A RECOVERY OF CHEMICAL COMPONENTS OF CELLULOSIC REGENERATING SOLUTION INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION (US) 1978-04-04 US claimed
US-4081512-A ACETYLENE AND CARBON DIOXIDE BY-PRODUCT INHIBITION CONTINENTAL OIL COMPANY (US) 1978-03-28 US claimed
US-4073744-A Nitrite based rust inhibitor complex SURPASS CHEMICALS LIMITED (CA) 1978-02-14 US claimed
US-4035563-A Method of suspension polymerizing vinyl chloride with salts of nitrous acids and polyvalent metal salts KANEGAFUCHI KAGAKU KOGYO KABUSHIKI KAISHA (JA) 1977-07-12 US claimed
US-4015040-A Construction material with calcium silicate monohydrate produced thereon in situ and composition therefor YOSHIDA AKITOSHI 1977-03-29 US 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-3980487-A CALCIUM NITRITE AND METHYLCELLULOSE, POLYVINYL ALCOHOL ANDOR POLYVINYL ACETATE NISSAN CHEMICAL INDUSTRIES, LTD. (JA) 1976-09-14 US claimed
US-3976494-A NITRITE, POLYOXYETHYLENE ALKYL PHOSPHATE OR NITRITE, BIS POLYALCOHOL BORATE ONODA CEMENT COMPANY, LTD. (JA) 1976-08-24 US claimed