API Salt Screen Calculator

API molecule name API molecule weight (g/mol) API pKa Acid molar ratio (acid : API) API used per experiment (mg)

Show strong salt-formers only

Acid database is curated for pharma salt-screening from FDA IID/GSRS-informed pharmaceutically used counterions; final salt selection still needs project toxicology, quality, and regulatory review.

Formula acid mg = API mg / API MW x ratio x acid MW

API moles per experiment 0.0571 mmol

Acids shown 0

Acid candidates

Acid	MW	pKa	delta pKa	Recommendation	Acid amount	Acid concentration	Acid volume

Add custom acid

Acid name Acid MW (g/mol) Acid pKa Stock concentration (mg/mL)