873380-11-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873380-11-1 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 0 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 873380-11:
(8*8)+(7*7)+(6*3)+(5*3)+(4*8)+(3*0)+(2*1)+(1*1)=181
181 % 10 = 1
So 873380-11-1 is a valid CAS Registry Number.