709636-71-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 709636-71-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,0,9,6,3 and 6 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 709636-71:
(8*7)+(7*0)+(6*9)+(5*6)+(4*3)+(3*6)+(2*7)+(1*1)=185
185 % 10 = 5
So 709636-71-5 is a valid CAS Registry Number.