1426658-59-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1426658-59-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,6,6,5 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1426658-59:
(9*1)+(8*4)+(7*2)+(6*6)+(5*6)+(4*5)+(3*8)+(2*5)+(1*9)=184
184 % 10 = 4
So 1426658-59-4 is a valid CAS Registry Number.