216986-29-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 216986-29-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,9,8 and 6 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 216986-29:
(8*2)+(7*1)+(6*6)+(5*9)+(4*8)+(3*6)+(2*2)+(1*9)=167
167 % 10 = 7
So 216986-29-7 is a valid CAS Registry Number.