623918-24-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 623918-24-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,3,9,1 and 8 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 623918-24:
(8*6)+(7*2)+(6*3)+(5*9)+(4*1)+(3*8)+(2*2)+(1*4)=161
161 % 10 = 1
So 623918-24-1 is a valid CAS Registry Number.