919979-67-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 919979-67-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,9,9,7 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 919979-67:
(8*9)+(7*1)+(6*9)+(5*9)+(4*7)+(3*9)+(2*6)+(1*7)=252
252 % 10 = 2
So 919979-67-2 is a valid CAS Registry Number.