1253789-45-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1253789-45-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,3,7,8 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1253789-45:
(9*1)+(8*2)+(7*5)+(6*3)+(5*7)+(4*8)+(3*9)+(2*4)+(1*5)=185
185 % 10 = 5
So 1253789-45-5 is a valid CAS Registry Number.