1613724-86-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1613724-86-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,3,7,2 and 4 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1613724-86:
(9*1)+(8*6)+(7*1)+(6*3)+(5*7)+(4*2)+(3*4)+(2*8)+(1*6)=159
159 % 10 = 9
So 1613724-86-9 is a valid CAS Registry Number.