101880-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 101880-53-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,8,8 and 0 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 101880-53:
(8*1)+(7*0)+(6*1)+(5*8)+(4*8)+(3*0)+(2*5)+(1*3)=99
99 % 10 = 9
So 101880-53-9 is a valid CAS Registry Number.