547761-59-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 547761-59-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,7,7,6 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 547761-59:
(8*5)+(7*4)+(6*7)+(5*7)+(4*6)+(3*1)+(2*5)+(1*9)=191
191 % 10 = 1
So 547761-59-1 is a valid CAS Registry Number.