226949-47-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 226949-47-9 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 9 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 226949-47:
(8*2)+(7*2)+(6*6)+(5*9)+(4*4)+(3*9)+(2*4)+(1*7)=169
169 % 10 = 9
So 226949-47-9 is a valid CAS Registry Number.