1256497-84-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1256497-84-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,4,9 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1256497-84:
(9*1)+(8*2)+(7*5)+(6*6)+(5*4)+(4*9)+(3*7)+(2*8)+(1*4)=193
193 % 10 = 3
So 1256497-84-3 is a valid CAS Registry Number.