623571-05-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 623571-05-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,3,5,7 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 623571-05:
(8*6)+(7*2)+(6*3)+(5*5)+(4*7)+(3*1)+(2*0)+(1*5)=141
141 % 10 = 1
So 623571-05-1 is a valid CAS Registry Number.