1253809-80-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1253809-80-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,3,8,0 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1253809-80:
(9*1)+(8*2)+(7*5)+(6*3)+(5*8)+(4*0)+(3*9)+(2*8)+(1*0)=161
161 % 10 = 1
So 1253809-80-1 is a valid CAS Registry Number.