1255147-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1255147-23-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,5,1,4 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1255147-23:
(9*1)+(8*2)+(7*5)+(6*5)+(5*1)+(4*4)+(3*7)+(2*2)+(1*3)=139
139 % 10 = 9
So 1255147-23-9 is a valid CAS Registry Number.