442649-85-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 442649-85-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,2,6,4 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 442649-85:
(8*4)+(7*4)+(6*2)+(5*6)+(4*4)+(3*9)+(2*8)+(1*5)=166
166 % 10 = 6
So 442649-85-6 is a valid CAS Registry Number.