Katalyst: Invalid or missing units when importing SDF material data

Description

• Users import material libraries via SDF.
• Some numeric fields (e.g., stock concentration, density) arrive in Katalyst without units or with unexpected unit symbols.
• This can lead to incorrect calculations or confusion in experiment setup.

Solution

• Inspect SDF properties:
  • Identify which SDF tags hold numeric values and how units are encoded (in the same field, in separate fields, or not at all).
• Define import mapping:
  • In Katalyst, configure which SDF fields map to which material properties (value + units).
  • Where possible, standardize unit tags (e.g., “mM”, “mg/mL”) across SDFs.
• Clean input data:
  • If SDF files contain free‑text or inconsistent units, normalize them before import:
    • Use scripts or tools to convert to standard units.
    • Remove ambiguous or unsupported unit strings.