n-Hexane for analysis EMSURE ACS. CAS 110-54-3, EC Number 203-777-6, chemical formula CH₃(CH₂)₄CH₃. Catalogue Number 104367 Packing : 2,5 liter Description n-Hexane Overview EMSURE grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE provides worldwide best and most extensive product specifications. We declare our EMSURE range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards. Product Information CAS number 110-54-3 EC index number 601-037-00-0 EC number 203-777-6 Grade ACS Hill Formula C₆H₁₄ Chemical formula CH₃(CH₂)₄CH₃ Molar Mass 86.18 g/mol HS Code 2901 10 00