1253039-07-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1253039-07-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,3,0,3 and 9 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1253039-07:
(9*1)+(8*2)+(7*5)+(6*3)+(5*0)+(4*3)+(3*9)+(2*0)+(1*7)=124
124 % 10 = 4
So 1253039-07-4 is a valid CAS Registry Number.