311779-07-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 311779-07-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,1,7,7 and 9 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 311779-07:
(8*3)+(7*1)+(6*1)+(5*7)+(4*7)+(3*9)+(2*0)+(1*7)=134
134 % 10 = 4
So 311779-07-4 is a valid CAS Registry Number.