1009500-54-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1009500-54-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,9,5,0 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1009500-54:
(9*1)+(8*0)+(7*0)+(6*9)+(5*5)+(4*0)+(3*0)+(2*5)+(1*4)=102
102 % 10 = 2
So 1009500-54-2 is a valid CAS Registry Number.