molecular formula


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molecular formula:

see formulaformula,
in chemistry, an expression showing the chemical composition of a compound. Formulas of compounds are used in writing the equations (see chemical equations) that represent chemical reactions. Compounds are combinations in fixed proportions of the chemical elements.
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molecular formula

[mə′lek·yə·lər ′fȯr·myə·lə]
(chemistry)
A chemical formula that indicates the actual numbers and kinds of atoms in a molecule, but not the chemical structure.

molecular formula

a chemical formula indicating the numbers and types of atoms in a molecule
References in periodicals archive ?
The maXis is already well proven as an exceptional tool in quantitative proteomics, peptide and intact protein analysis in addition to small molecule identification using the unique SmartFormula[TM] 3D method for on-the-fly unambiguous molecular formula read-out, as co-developed with Pfizer, UK.
The micrOTOF-II system offers powerful exact mass measurements in an easy-to-use bench-top package, featuring excellent mass resolution and accuracy in combination with Bruker's SigmaFit[TM] method for molecular formula determination.
These include unique data mining functionality based on powerful molecular feature extraction and molecular formula generation algorithms, facilitating identification of compounds in complex mixtures.
Cas Registry Numbers - Einecs/Elincs Numbers - Fema Numbers - Un/Dot Numbers - Classification - Definition - Chemical Synonyms - Trade Names Equivalents - Trade Names Containing Generic As An Ingredient - Trade Name Manufacturers - Empirical Formula - Molecular Formula - Properties - Storage - Toxicology - Precautions - Hazardous Decomposition Products - Nfpa Ratings - Hmis Ratings - Regulatory Data - Functions And Applications (Uses) - Use Level - Generic Manufacturers/ Distributors
maXis has already been proven as an exceptional tool in quantitative proteomics, peptide and intact protein analysis as well as small molecule identification using the unique Smartformula[TM] 3D method for on-the-fly unambiguous molecular formula read-out co-developed with Pfizer, UK.
Cas Registry Numbers - Einecs/Elincs Numbers - Fema Numbers - Un/Dot Numbers - Classification - Definition - Chemical Synonyms - Trade Names Eqivalents - Trade Names Containing Generic As An Ingredient - Trade Name Manufacturers - Empirical Formula - Molecular Formula - Properties - Storage - Toxicology - Precautions - Hazardous Decomposition Products - Nfpa Ratings - Hmis Ratings - Regulatory Data - Functions And Applications (Uses) - Use Level - Generic Manufacturers/ Distributors
Its molecular formula is a (C2H4O) n and the English abbreviation is PVA.
Richard Joyce, Structural Elucidation Scientist at Pfizer (UK), commented: "It is vital to us to solve real-life identification problems in a dramatically reduced time: our joint development of SmartFormula 3D applied at maXis performance levels meets our goal of a one-shot Molecular Formula Machine.
Next-generation micrOTOF[TM]-Q II with new performance standards in fast, high resolution and accurate LC/MS/MS performance with the revolutionary SmartFormula 3D method for automated unambiguous molecular formula determination,
It also includes information concerning reagents, reaction mechanisms, sources of materials, chemical structures, molecular formulas and more.

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