The CAS Registry Mumber 65530-58-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,5,3 and 0 respectively; the second part has 2 digits, 5 and 8 respectively. Calculate Digit Verification of CAS Registry Number 65530-58: (7*6)+(6*5)+(5*5)+(4*3)+(3*0)+(2*5)+(1*8)=127 127 % 10 = 7 So 65530-58-7 is a valid CAS Registry Number.
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Get Best Price for65530-58-7Poly(difluoromethylene), α-fluoro-ω-(2-hydroxyethyl)-, ester with 2,15-bis(carboxymethyl)-4, 13-dioxo-3,14-dioxa-5,12-diazahexadecane-1,2,15,16 -tetracarboxylic acid (6:1)