The CAS Registry Mumber 273728-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,3,7,2 and 8 respectively; the second part has 2 digits, 8 and 3 respectively. Calculate Digit Verification of CAS Registry Number 273728-83: (8*2)+(7*7)+(6*3)+(5*7)+(4*2)+(3*8)+(2*8)+(1*3)=169 169 % 10 = 9 So 273728-83-9 is a valid CAS Registry Number.
Get Best Price for273728-83-9Acetic acid (2R,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-((3aR,4R,5R,6R,7aR)-5,6-dihydroxy-1,3-dioxo-octahydro-isobenzofuran-4-yloxy)-tetrahydro-pyran-3-yl ester