176546-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 176546-55-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,6,5,4 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 176546-55:
(8*1)+(7*7)+(6*6)+(5*5)+(4*4)+(3*6)+(2*5)+(1*5)=167
167 % 10 = 7
So 176546-55-7 is a valid CAS Registry Number.