61623-04-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61623-04-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,6,2 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 61623-04:
(7*6)+(6*1)+(5*6)+(4*2)+(3*3)+(2*0)+(1*4)=99
99 % 10 = 9
So 61623-04-9 is a valid CAS Registry Number.