226947-18-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 226947-18-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,6,9,4 and 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 226947-18:
(8*2)+(7*2)+(6*6)+(5*9)+(4*4)+(3*7)+(2*1)+(1*8)=158
158 % 10 = 8
So 226947-18-8 is a valid CAS Registry Number.