The CAS Registry Mumber 54621-24-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,6,2 and 1 respectively; the second part has 2 digits, 2 and 4 respectively. Calculate Digit Verification of CAS Registry Number 54621-24: (7*5)+(6*4)+(5*6)+(4*2)+(3*1)+(2*2)+(1*4)=108 108 % 10 = 8 So 54621-24-8 is a valid CAS Registry Number.
Get Best Price for54621-24-8(1S,4aS,7aS)-7-Hydroxymethyl-1-((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-1,4a,5,7a-tetrahydro-cyclopenta[c]pyran-4-carboxylic acid methyl ester