207686-73-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 207686-73-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,6,8 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 207686-73:
(8*2)+(7*0)+(6*7)+(5*6)+(4*8)+(3*6)+(2*7)+(1*3)=155
155 % 10 = 5
So 207686-73-5 is a valid CAS Registry Number.