The CAS Registry Mumber 143372-50-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,3,7 and 2 respectively; the second part has 2 digits, 5 and 0 respectively. Calculate Digit Verification of CAS Registry Number 143372-50: (8*1)+(7*4)+(6*3)+(5*3)+(4*7)+(3*2)+(2*5)+(1*0)=113 113 % 10 = 3 So 143372-50-3 is a valid CAS Registry Number.
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Get Best Price for143372-50-3Poly(oxy-1,2-ethanediyl), .alpha.,.alpha.'-phosphinicobis[.omega.-hydroxy-, di-C13-15-alkyl ethers, ammonium salts