56176-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56176-55-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,1,7 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 56176-55:
(7*5)+(6*6)+(5*1)+(4*7)+(3*6)+(2*5)+(1*5)=137
137 % 10 = 7
So 56176-55-7 is a valid CAS Registry Number.