Synonyms: STEARETH-100/PEG-136/HDI COPOLYMER;Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, polymer with 1,6-diisocyanatohexane and .alpha.-octadecyl-.omega.-hydroxypoly(oxy-1,2-ethanediyl)
The CAS Registry Mumber 103777-69-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,7,7 and 7 respectively; the second part has 2 digits, 6 and 9 respectively. Calculate Digit Verification of CAS Registry Number 103777-69: (8*1)+(7*0)+(6*3)+(5*7)+(4*7)+(3*7)+(2*6)+(1*9)=131 131 % 10 = 1 So 103777-69-1 is a valid CAS Registry Number.
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