1569438-44-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1569438-44-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,6,9,4,3 and 8 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1569438-44:
(9*1)+(8*5)+(7*6)+(6*9)+(5*4)+(4*3)+(3*8)+(2*4)+(1*4)=213
213 % 10 = 3
So 1569438-44-3 is a valid CAS Registry Number.