78232-18-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78232-18-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,2,3 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 78232-18:
(7*7)+(6*8)+(5*2)+(4*3)+(3*2)+(2*1)+(1*8)=135
135 % 10 = 5
So 78232-18-5 is a valid CAS Registry Number.