76523-58-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76523-58-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,5,2 and 3 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 76523-58:
(7*7)+(6*6)+(5*5)+(4*2)+(3*3)+(2*5)+(1*8)=145
145 % 10 = 5
So 76523-58-5 is a valid CAS Registry Number.