Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature …

Molar mass calculator also displays common compound name, Hill formula, elemental composition, mass percent composition, atomic percent compositions and allows to convert …

Aug 1, 2025 · Input the molecular formula and the weight is calculated. Also provides the atomic number, element name, base atomic weight and formula weight for the calcutated molecular …

A molecule of white phosphorus, P 4 P 4, meets oxygen gas, O 2 O2, and becomes phosphorus (V) oxide, whose molecular formula is P 4 O 1 0 P 4O10 (often written in its empirical ratio as …

A procedure is described that allows the calculation of the exact molecular formula for a compound.

Online Molecular Weight Calculator that computes the molecular mass of any molecule or element.

This facility allows selection of chemical species by their chemical formula. Select the initial part of the chemical formula of interest to begin. Succeeding pages will provide more options. All …