182689-61-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 182689-61-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,2,6,8 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 182689-61:
(8*1)+(7*8)+(6*2)+(5*6)+(4*8)+(3*9)+(2*6)+(1*1)=178
178 % 10 = 8
So 182689-61-8 is a valid CAS Registry Number.