100405-63-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100405-63-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,4,0 and 5 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 100405-63:
(8*1)+(7*0)+(6*0)+(5*4)+(4*0)+(3*5)+(2*6)+(1*3)=58
58 % 10 = 8
So 100405-63-8 is a valid CAS Registry Number.