100905-48-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100905-48-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,9,0 and 5 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 100905-48:
(8*1)+(7*0)+(6*0)+(5*9)+(4*0)+(3*5)+(2*4)+(1*8)=84
84 % 10 = 4
So 100905-48-4 is a valid CAS Registry Number.