178321-47-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178321-47-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,3,2 and 1 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 178321-47:
(8*1)+(7*7)+(6*8)+(5*3)+(4*2)+(3*1)+(2*4)+(1*7)=146
146 % 10 = 6
So 178321-47-6 is a valid CAS Registry Number.