227205-76-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 227205-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,2,0 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 227205-76:
(8*2)+(7*2)+(6*7)+(5*2)+(4*0)+(3*5)+(2*7)+(1*6)=117
117 % 10 = 7
So 227205-76-7 is a valid CAS Registry Number.