100002-49-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100002-49-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,0,0 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 100002-49:
(8*1)+(7*0)+(6*0)+(5*0)+(4*0)+(3*2)+(2*4)+(1*9)=31
31 % 10 = 1
So 100002-49-1 is a valid CAS Registry Number.