The CAS Registry Mumber 82504-04-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,5,0 and 4 respectively; the second part has 2 digits, 0 and 4 respectively. Calculate Digit Verification of CAS Registry Number 82504-04: (7*8)+(6*2)+(5*5)+(4*0)+(3*4)+(2*0)+(1*4)=109 109 % 10 = 9 So 82504-04-9 is a valid CAS Registry Number.
Get Best Price for82504-04-9Acetic acid (1S,4aR,5S,7aS)-5-hydroxy-1-((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-1,4a,5,7a-tetrahydro-cyclopenta[c]pyran-7-ylmethyl ester