18783-91-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18783-91-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,7,8 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 18783-91:
(7*1)+(6*8)+(5*7)+(4*8)+(3*3)+(2*9)+(1*1)=150
150 % 10 = 0
So 18783-91-0 is a valid CAS Registry Number.