293767-77-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 293767-77-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,3,7,6 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 293767-77:
(8*2)+(7*9)+(6*3)+(5*7)+(4*6)+(3*7)+(2*7)+(1*7)=198
198 % 10 = 8
So 293767-77-8 is a valid CAS Registry Number.