283597-69-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 283597-69-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,3,5,9 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 283597-69:
(8*2)+(7*8)+(6*3)+(5*5)+(4*9)+(3*7)+(2*6)+(1*9)=193
193 % 10 = 3
So 283597-69-3 is a valid CAS Registry Number.