The CAS Registry Mumber 66958-31-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,9,5 and 8 respectively; the second part has 2 digits, 3 and 1 respectively. Calculate Digit Verification of CAS Registry Number 66958-31: (7*6)+(6*6)+(5*9)+(4*5)+(3*8)+(2*3)+(1*1)=174 174 % 10 = 4 So 66958-31-4 is a valid CAS Registry Number.
Get Best Price for66958-31-41,4-Bis-benzyloxy-2-((2E,6E,10E,14E,18E,22E,26E)-28-chloro-3,7,11,15,19,23,27-heptamethyl-octacosa-2,6,10,14,18,22,26-heptaenyl)-5,6-dimethoxy-3-methyl-benzene