Tranexamic Acid 1197-18-8 Synonyms: Amstat CAS: 1197-18-8 EINECS: 214-818-2 Assay: 99% min. Packing: 25kg/cardboard drum. Character: white crystalline powder. Usage: Pharmaceutical raw materials. Hemostatic effect of a significant traumatic bleeding, preoperative prophylaxis can reduce surgical bleeding.