178686-36-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178686-36-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,6,8 and 6 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 178686-36:
(8*1)+(7*7)+(6*8)+(5*6)+(4*8)+(3*6)+(2*3)+(1*6)=197
197 % 10 = 7
So 178686-36-7 is a valid CAS Registry Number.