623154-44-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 623154-44-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,3,1,5 and 4 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 623154-44:
(8*6)+(7*2)+(6*3)+(5*1)+(4*5)+(3*4)+(2*4)+(1*4)=129
129 % 10 = 9
So 623154-44-9 is a valid CAS Registry Number.