177579-81-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 177579-81-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,5,7 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 177579-81:
(8*1)+(7*7)+(6*7)+(5*5)+(4*7)+(3*9)+(2*8)+(1*1)=196
196 % 10 = 6
So 177579-81-6 is a valid CAS Registry Number.