212894-84-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 212894-84-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,2,8,9 and 4 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 212894-84:
(8*2)+(7*1)+(6*2)+(5*8)+(4*9)+(3*4)+(2*8)+(1*4)=143
143 % 10 = 3
So 212894-84-3 is a valid CAS Registry Number.