565237-38-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 565237-38-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,6,5,2,3 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 565237-38:
(8*5)+(7*6)+(6*5)+(5*2)+(4*3)+(3*7)+(2*3)+(1*8)=169
169 % 10 = 9
So 565237-38-9 is a valid CAS Registry Number.