18858-65-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18858-65-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,8,5 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 18858-65:
(7*1)+(6*8)+(5*8)+(4*5)+(3*8)+(2*6)+(1*5)=156
156 % 10 = 6
So 18858-65-6 is a valid CAS Registry Number.