1000539-98-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1000539-98-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,0,5,3 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1000539-98:
(9*1)+(8*0)+(7*0)+(6*0)+(5*5)+(4*3)+(3*9)+(2*9)+(1*8)=99
99 % 10 = 9
So 1000539-98-9 is a valid CAS Registry Number.