1. Basic Product Identification INN Name: Caffeine Chemical Class: Methylxanthine alkaloid Therapeutic Category: CNS stimulant, adjuvant analgesic Molecular Formula: C8H10N4O2 Common Sources: Coffee, tea, cocoa, guarana Pharma Grade caffeine API in Herat (synthetic API also widely used) Dosage Forms: Tablets, capsules, injections, oral solutions, e