177555-24-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 177555-24-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,5,5 and 5 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 177555-24:
(8*1)+(7*7)+(6*7)+(5*5)+(4*5)+(3*5)+(2*2)+(1*4)=167
167 % 10 = 7
So 177555-24-7 is a valid CAS Registry Number.