bw_simapro_csv.cas
==================

.. py:module:: bw_simapro_csv.cas


Functions
---------

.. autoapisummary::

   bw_simapro_csv.cas.calculate_check_digit
   bw_simapro_csv.cas.validate_cas_string


Module Contents
---------------

.. py:function:: calculate_check_digit(cas: str) -> int

.. py:function:: validate_cas_string(cas: Optional[str]) -> Optional[str]