655244-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 655244-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,5,2,4 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 655244-90:
(8*6)+(7*5)+(6*5)+(5*2)+(4*4)+(3*4)+(2*9)+(1*0)=169
169 % 10 = 9
So 655244-90-9 is a valid CAS Registry Number.