285983-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 285983-19-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,5,9,8 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 285983-19:
(8*2)+(7*8)+(6*5)+(5*9)+(4*8)+(3*3)+(2*1)+(1*9)=199
199 % 10 = 9
So 285983-19-9 is a valid CAS Registry Number.