2242-70-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2242-70-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,4 and 2 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2242-70:
(6*2)+(5*2)+(4*4)+(3*2)+(2*7)+(1*0)=58
58 % 10 = 8
So 2242-70-8 is a valid CAS Registry Number.