69872-43-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69872-43-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,8,7 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 69872-43:
(7*6)+(6*9)+(5*8)+(4*7)+(3*2)+(2*4)+(1*3)=181
181 % 10 = 1
So 69872-43-1 is a valid CAS Registry Number.