283602-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 283602-71-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,3,6,0 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 283602-71:
(8*2)+(7*8)+(6*3)+(5*6)+(4*0)+(3*2)+(2*7)+(1*1)=141
141 % 10 = 1
So 283602-71-1 is a valid CAS Registry Number.