129537-50-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129537-50-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,5,3 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 129537-50:
(8*1)+(7*2)+(6*9)+(5*5)+(4*3)+(3*7)+(2*5)+(1*0)=144
144 % 10 = 4
So 129537-50-4 is a valid CAS Registry Number.