1428760-91-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1428760-91-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,7,6 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1428760-91:
(9*1)+(8*4)+(7*2)+(6*8)+(5*7)+(4*6)+(3*0)+(2*9)+(1*1)=181
181 % 10 = 1
So 1428760-91-1 is a valid CAS Registry Number.