2648-22-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2648-22-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,4 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 2648-22:
(6*2)+(5*6)+(4*4)+(3*8)+(2*2)+(1*2)=88
88 % 10 = 8
So 2648-22-8 is a valid CAS Registry Number.