100872-69-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100872-69-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,8,7 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 100872-69:
(8*1)+(7*0)+(6*0)+(5*8)+(4*7)+(3*2)+(2*6)+(1*9)=103
103 % 10 = 3
So 100872-69-3 is a valid CAS Registry Number.