211986-67-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 211986-67-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,9,8 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 211986-67:
(8*2)+(7*1)+(6*1)+(5*9)+(4*8)+(3*6)+(2*6)+(1*7)=143
143 % 10 = 3
So 211986-67-3 is a valid CAS Registry Number.