molecular formula

A chemical formula that shows the number and kinds of atoms in a molecule.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

molecular formula

(Chemistry) a chemical formula indicating the numbers and types of atoms in a molecule: H2SO4 is the molecular formula of sulphuric acid. Compare empirical formula, structural formula

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

molec′ular for′mula

a chemical formula that indicates the kind and number of atoms in a molecule of a compound.

[1900–05]

mo·lec·u·lar formula

(mə-lĕk′yə-lər)

A chemical formula that shows the total number and kinds of atoms in a molecule, but not their structural arrangement. For example, the molecular formula of aspirin is C₉H₈O₄. Compare structural formula.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

molecular formula - a chemical formula based on analysis and molecular weight

chemical formula, formula - a representation of a substance using symbols for its constituent elements

structural formula - an expanded molecular formula showing the arrangement of atoms within the molecule

Translations

molekyylikaava

formule moléculaire

molekylärformel

Mentioned in

References in periodicals archive

The mass spectra showed the molecular ion peak at m/z (323) which is in agreement with its molecular formula ([C.sub.17][H.sub.13][N.sub.3]S[O.sub.2]), Scheme 8.

Synthesis and studies of fused/isolated thiophene derivatives

The molecular formula was deduced by HR-EIMS showing molecular ion peak at m/z 314.11643 (calcd.

TWO NEW DIARYLESTERS FROM IPOMOEA CAIRICA

Each monograph has information on its names, category, molecular formula and weight, appearance, solubilities, and other chemistry, and methods, including the analytical system components, major operating parameters, standard solution and sample preparations, correlation coefficient and linearity, coefficient of variation of the assay, limit of detection and quantification, and interference.

Analytical methods for therapeutic drug monitoring and toxicology

Folic acid's molecular formula is C19, H19, N7, 06.

Folic acid does not cause cancer--so who made the mistake?

The numbers indicate the position in which the group is attached; the groups and molecular formula remain unchanged."

Colloquy

Next, tocopherols do have stereoisomers, which have the same molecular formula but differ configurationally based on the direction of the methyl groups at chiral carbon atoms, the isomers are designated 2R, 4'R, 8'R; 2S, 4'R, 8'R; 2RS, 4'R, 8'R; 2R, 4'RS, 8'RS; 2S, 4'RS, 8'RS and rotate polarized light to varying degrees.

We always look forward to reading our issue of Nutraceuticals World

For each entry the following date are provided when available: the DPIM code, hazard rating, entry name; CAS number; DOT identification number; molecular formula; molecular `weight; line structural formula; a description of the material and physical properties; and synonyms.

Dangerous Properties of Industrial Materials, 8th ed

There is a "slim chance," he told SCIENCE NEWS, that the compound isolated from human plasma is not ouabain itself but an isomer -- a substance sharing the same molecular formula but varying slightly in its three-dimensional structure.

High-pressure hormone: mysterious blood compound may plant seeds of hypertension

It is a colorless, crystalline, water-soluble solid with a molecular formula is CS(NH2)2.

Thiourea Market To Generate Massive Revenue Owing To Rising Applications In Agriculture And Pharmaceutical Industry Till 2022 / Million Insights

The high resolution mass spectrum (HRMS) indicated the molecular ion peak at m/z 398.11855 corresponding to the molecular formula C24H18N2O4 (calcd.

Caulerpin from a New Source Spatoglossum asperum: a Brown Alga

[ClickPress, Fri Apr 05 2019] "The general molecular formula of polyethylene glycol is H(OCH2CH2)nOH, where n is the number of ethylene glycol units present in the polyethylene glycol polymer.

Global Polyethylene Glycol (PEG) Market Size by Applications, by Region and Forecast 2018 to 2025