cobra.core.formula#

Provide a class representing a chemical formula.

Attributes#

`element_re`
`elements_and_molecular_weights`

Describe a chemical formula.

class cobra.core.formula.Formula(formula: str | None = None, **kwargs)[source]#

Describe a chemical formula.

Parameters:: formula (string) – A legal formula string contains only letters and numbers.

__add__(other_formula: Formula | str) → Formula[source]#

Combine two molecular formulas.

Parameters:: other_formula (Formula, str) – string for a chemical formula
Returns:: Formula – The combined formula
Return type:: Formula

parse_composition() → None[source]#: Break the chemical formula down by element.

property weight: float#

Calculate the mol mass of the compound.