76800-58-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76800-58-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,8,0 and 0 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 76800-58:
(7*7)+(6*6)+(5*8)+(4*0)+(3*0)+(2*5)+(1*8)=143
143 % 10 = 3
So 76800-58-3 is a valid CAS Registry Number.