212911-15-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 212911-15-4 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 5 respectively.
Calculate Digit Verification of CAS Registry Number 212911-15:
(8*2)+(7*1)+(6*2)+(5*9)+(4*1)+(3*1)+(2*1)+(1*5)=94
94 % 10 = 4
So 212911-15-4 is a valid CAS Registry Number.