1285503-21-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1285503-21-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,5,5,0 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1285503-21:
(9*1)+(8*2)+(7*8)+(6*5)+(5*5)+(4*0)+(3*3)+(2*2)+(1*1)=150
150 % 10 = 0
So 1285503-21-0 is a valid CAS Registry Number.