212911-17-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 212911-17-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,2,9,1 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 212911-17:
(8*2)+(7*1)+(6*2)+(5*9)+(4*1)+(3*1)+(2*1)+(1*7)=96
96 % 10 = 6
So 212911-17-6 is a valid CAS Registry Number.