927640-42-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 927640-42-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,7,6,4 and 0 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 927640-42:
(8*9)+(7*2)+(6*7)+(5*6)+(4*4)+(3*0)+(2*4)+(1*2)=184
184 % 10 = 4
So 927640-42-4 is a valid CAS Registry Number.