1256286-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1256286-45-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,2,8 and 6 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1256286-45:
(9*1)+(8*2)+(7*5)+(6*6)+(5*2)+(4*8)+(3*6)+(2*4)+(1*5)=169
169 % 10 = 9
So 1256286-45-9 is a valid CAS Registry Number.