199602-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 199602-20-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,6,0 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 199602-20:
(8*1)+(7*9)+(6*9)+(5*6)+(4*0)+(3*2)+(2*2)+(1*0)=165
165 % 10 = 5
So 199602-20-5 is a valid CAS Registry Number.