1285693-89-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1285693-89-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,5,6,9 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1285693-89:
(9*1)+(8*2)+(7*8)+(6*5)+(5*6)+(4*9)+(3*3)+(2*8)+(1*9)=211
211 % 10 = 1
So 1285693-89-1 is a valid CAS Registry Number.