873388-84-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873388-84-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,3,8 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 873388-84:
(8*8)+(7*7)+(6*3)+(5*3)+(4*8)+(3*8)+(2*8)+(1*4)=222
222 % 10 = 2
So 873388-84-2 is a valid CAS Registry Number.