189358-76-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189358-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,3,5 and 8 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 189358-76:
(8*1)+(7*8)+(6*9)+(5*3)+(4*5)+(3*8)+(2*7)+(1*6)=197
197 % 10 = 7
So 189358-76-7 is a valid CAS Registry Number.