7785-86-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7785-86-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,8 and 5 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 7785-86:
(6*7)+(5*7)+(4*8)+(3*5)+(2*8)+(1*6)=146
146 % 10 = 6
So 7785-86-6 is a valid CAS Registry Number.