227098-13-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 227098-13-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,0,9 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 227098-13:
(8*2)+(7*2)+(6*7)+(5*0)+(4*9)+(3*8)+(2*1)+(1*3)=137
137 % 10 = 7
So 227098-13-7 is a valid CAS Registry Number.