177858-73-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 177858-73-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,8,5 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 177858-73:
(8*1)+(7*7)+(6*7)+(5*8)+(4*5)+(3*8)+(2*7)+(1*3)=200
200 % 10 = 0
So 177858-73-0 is a valid CAS Registry Number.