The CAS Registry Mumber 68440-63-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,4,4 and 0 respectively; the second part has 2 digits, 6 and 3 respectively. Calculate Digit Verification of CAS Registry Number 68440-63: (7*6)+(6*8)+(5*4)+(4*4)+(3*0)+(2*6)+(1*3)=141 141 % 10 = 1 So 68440-63-1 is a valid CAS Registry Number.
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Get Best Price for68440-63-1Siloxanes and Silicones, di-Me, di-Ph, hydroxy-terminated, reaction products with chlorotrimethylsilane, hydrochloric acid, iso-Pr alc., sodium silicate and [(ethenyldimethylsilyl)oxy]-terminated di-Me, di-Ph siloxanes