86949-81-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86949-81-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,9,4 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 86949-81:
(7*8)+(6*6)+(5*9)+(4*4)+(3*9)+(2*8)+(1*1)=197
197 % 10 = 7
So 86949-81-7 is a valid CAS Registry Number.