506441-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 506441-81-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,6,4,4 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 506441-81:
(8*5)+(7*0)+(6*6)+(5*4)+(4*4)+(3*1)+(2*8)+(1*1)=132
132 % 10 = 2
So 506441-81-2 is a valid CAS Registry Number.