836620-71-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 836620-71-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,3,6,6,2 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 836620-71:
(8*8)+(7*3)+(6*6)+(5*6)+(4*2)+(3*0)+(2*7)+(1*1)=174
174 % 10 = 4
So 836620-71-4 is a valid CAS Registry Number.