1649444-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1649444-05-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,4,9,4,4 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1649444-05:
(9*1)+(8*6)+(7*4)+(6*9)+(5*4)+(4*4)+(3*4)+(2*0)+(1*5)=192
192 % 10 = 2
So 1649444-05-2 is a valid CAS Registry Number.