1009435-85-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1009435-85-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,9,4,3 and 5 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1009435-85:
(9*1)+(8*0)+(7*0)+(6*9)+(5*4)+(4*3)+(3*5)+(2*8)+(1*5)=131
131 % 10 = 1
So 1009435-85-1 is a valid CAS Registry Number.