1256389-44-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1256389-44-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,3,8 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1256389-44:
(9*1)+(8*2)+(7*5)+(6*6)+(5*3)+(4*8)+(3*9)+(2*4)+(1*4)=182
182 % 10 = 2
So 1256389-44-2 is a valid CAS Registry Number.