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14 de may. de 2024 · This work presents a proposed extension to the International Union of Pure and Applied Chemistry (IUPAC) International Chemical Identifier (InChI) standard that allows the representation of isotopically-resolved chemical entities at varying levels of ambiguity in isotope location.
8 de may. de 2024 · This is a list of CAS numbers by chemical formulas and chemical compounds, indexed by formula.The CAS number is a unique number applied to a specific chemical by the Chemical Abstracts Service (CAS).This list complements alternative listings to be found at list of inorganic compounds and glossary of chemical formulae
Hace 1 día · Hydrogen sulfide is a chemical compound with the formula H 2 S. It is a colorless chalcogen-hydride gas, and is poisonous, corrosive, and flammable, with trace amounts in ambient atmosphere having a characteristic foul odor of rotten eggs.
6 de may. de 2024 · InChI (International Chemical Identifier) is a non-proprietary identifier for chemical substances that can be used in printed and electronic data sources thus enabling easier linking of diverse data compilations. Source code and documentation can be downloaded upon license agreement.
- David Flaxbart
- 2016
Hace 1 día · ISO 4217 is a standard published by the International Organization for Standardization (ISO) that defines alpha codes and numeric codes for the representation of currencies and provides information about the relationships between individual currencies and their minor units.
14 de may. de 2024 · InChI is an abbreviated name for IUPAC International Chemical Identifier, a chemical identifier developed and supported by the InChI Trust. InChIs consist of text strings comprising different layers and sublayers of information separated by slashes (/). Each InChI string starts with the InChI version number followed by the main layer.
17 de may. de 2024 · CHEMnetBASE allows searching by chemical name, synonym or brand name, molecular formula, CAS registry number, InChI (International Chemical Identifier), and SMILES (Simplified Molecular Input Line Entry System) structure.
