Hydrogen Sulfide

Hydrogen Sulfide

SCHEMBL63345

S.[CaH2]

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.

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 14885 patents — a generic fragment claimed broadly, so it's down-weighted as IP noise. Top by claim status then date:

PatentTitleAssigneePublishedPriorityFilingCountryStatus
CN-122079208-A Synergistic dezincification and desulfurization method for high-sulfur bauxite 2026-05-26 CN claimed
CN-122081962-A Method for preparing hydrogen and sulfur by reducing and acidifying solid waste gypsum by using cement kiln 2026-05-26 CN claimed
CN-122070479-A Ultrasonic indicating device and method for monitoring ultrasonic treatment JP实验室股份有限公司 2026-05-19 CN claimed
CN-122059407-A Calcium-based activated carbon based on biomass and calcium-based solid waste collaborative pyrolysis and preparation method and application thereof 济南大学 2026-05-19 CN claimed
CN-122035951-A Method for preparing transition metal chalcogenide crystal or nano-sheet 清华大学深圳国际研究生院 2026-05-15 CN claimed
CN-122038787-A Technology for efficiently recycling tin, copper and silver in yellow tin ore based on sulfur potential oxygen potential regulation method 湖南有色金属研究院有限责任公司 2026-05-15 CN claimed
CN-122037933-A Preparation method of homogeneous up-conversion self-excitation infrared luminescent particles 上海科润光电技术有限公司 2026-05-15 CN claimed
CN-122036134-A Autotrophic heterotrophic synergistic denitrification method 皖创环保股份有限公司 2026-05-15 CN claimed
CN-122008673-A PBST three-layer co-extrusion biodegradable film, preparation method thereof and biodegradable mulching film 佛山安亿纳米材料有限公司 2026-05-12 CN claimed
US-12618162-B2 Alkali hydroxide production from alkali sulfate with halogen or carboxylic acid intermediates INNOVATOR ENERGY LLC (US) 2026-05-05 US claimed
US-4058591-A Process for purifying waste water containing ammonium sulfate INSTITUT FRANCAIS DU PETROLE (FR) 1977-11-15 US claimed
US-4039649-A MULTISTAGE, REACTION WITH AMMONIUM SULFITE, CALCIUM OXIDE, CARBON INSTITUT FRANCAIS DU PETROLE (FR) 1977-08-02 US claimed
US-4029983-A Metal-halide discharge lamp having a light output with incandescent characteristics WESTINGHOUSE ELECTRIC CORPORATION (US) 1977-06-14 US claimed
US-4028126-A CALCIUM HALOALUMINATE-CALCIUM SILICATE WITH CALCIUM SULFATE OR ANHYDRIDE ONODA CEMENT COMPANY, LTD. (JA) 1977-06-07 US claimed
US-4025399-A ELECTRICAL, RECORDING LAYER WITH A CONDUCTIVE AGENT, A LEUCO BASE AND A PHENOLIC RESIN CANON KABUSHIKI KAISHA (JA) 1977-05-24 US claimed
US-4018710-A CERIUM-NICKEL OXIDE AND RHODIUM HITACHI MAXELL, LTD. (JA) 1977-04-19 US claimed
US-3981965-A SULFUR-CONTAINING REDUCTANT ALLIED CHEMICAL CORPORATION (US) 1976-09-21 US claimed
US-3974031-A Process for producing L-cysteine or its derivatives MITSUBISHI CHEMICAL INDUSTRIES LTD. (JA) 1976-08-10 US claimed
US-3966431-A Waste stone oxidation and recarbonization THE UNITED STATES OF AMERICA AS REPRESENTED BY THE UNITED STATES ENVIRONMENTAL PROTECTION AGENCY (US) 1976-06-29 US claimed
US-3944486-A Process for treating sulfide-containing materials THE LUMMUS COMPANY (US) 1976-03-16 US claimed