1253571-13-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1253571-13-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,3,5,7 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1253571-13:
(9*1)+(8*2)+(7*5)+(6*3)+(5*5)+(4*7)+(3*1)+(2*1)+(1*3)=139
139 % 10 = 9
So 1253571-13-9 is a valid CAS Registry Number.