177529-56-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 177529-56-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,5,2 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 177529-56:
(8*1)+(7*7)+(6*7)+(5*5)+(4*2)+(3*9)+(2*5)+(1*6)=175
175 % 10 = 5
So 177529-56-5 is a valid CAS Registry Number.