1027309-15-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1027309-15-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,7,3,0 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1027309-15:
(9*1)+(8*0)+(7*2)+(6*7)+(5*3)+(4*0)+(3*9)+(2*1)+(1*5)=114
114 % 10 = 4
So 1027309-15-4 is a valid CAS Registry Number.