18763-05-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18763-05-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,7,6 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 18763-05:
(7*1)+(6*8)+(5*7)+(4*6)+(3*3)+(2*0)+(1*5)=128
128 % 10 = 8
So 18763-05-8 is a valid CAS Registry Number.