299918-78-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 299918-78-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,9,9,1 and 8 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 299918-78:
(8*2)+(7*9)+(6*9)+(5*9)+(4*1)+(3*8)+(2*7)+(1*8)=228
228 % 10 = 8
So 299918-78-8 is a valid CAS Registry Number.