1426957-78-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1426957-78-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,6,9,5 and 7 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1426957-78:
(9*1)+(8*4)+(7*2)+(6*6)+(5*9)+(4*5)+(3*7)+(2*7)+(1*8)=199
199 % 10 = 9
So 1426957-78-9 is a valid CAS Registry Number.