1285538-69-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1285538-69-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,5,5,3 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1285538-69:
(9*1)+(8*2)+(7*8)+(6*5)+(5*5)+(4*3)+(3*8)+(2*6)+(1*9)=193
193 % 10 = 3
So 1285538-69-3 is a valid CAS Registry Number.