783321-84-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 783321-84-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,8,3,3,2 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 783321-84:
(8*7)+(7*8)+(6*3)+(5*3)+(4*2)+(3*1)+(2*8)+(1*4)=176
176 % 10 = 6
So 783321-84-6 is a valid CAS Registry Number.