PropertyData for July 2026

monoisotopicMolecularWeight

The monoisotopic mass is the sum of the masses of the atoms in a molecule using the unbound, ground-state, rest mass of the principal (most abundant) isotope for each element instead of the isotopic average mass. Please include the units in the form '<Number> <unit>', for example '770.230488 g/mol' or as '<QuantitativeValue>.

Definition from the Schema.org vocabulary (English).

Estimated domains

< 1K stable

Ranking position#3,809 of 5,545

Google eligibleNo

Used on types1

Trend over time

Domain tier in each available month.

Used on types

MolecularEntity< 1K

Expected value types

Legend

PropertySchema typeData typeEnumeration

QuantitativeValueG
Text

Tiers indicate the number of unique domains using the term. They are intentionally approximate to reduce noise and protect site privacy. How to read the data.