100581-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100581-97-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,5,8 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 100581-97:
(8*1)+(7*0)+(6*0)+(5*5)+(4*8)+(3*1)+(2*9)+(1*7)=93
93 % 10 = 3
So 100581-97-3 is a valid CAS Registry Number.