2918-76-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2918-76-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,1 and 8 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 2918-76:
(6*2)+(5*9)+(4*1)+(3*8)+(2*7)+(1*6)=105
105 % 10 = 5
So 2918-76-5 is a valid CAS Registry Number.