100864-42-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100864-42-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,8,6 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 100864-42:
(8*1)+(7*0)+(6*0)+(5*8)+(4*6)+(3*4)+(2*4)+(1*2)=94
94 % 10 = 4
So 100864-42-4 is a valid CAS Registry Number.