145808-42-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 145808-42-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,8,0 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 145808-42:
(8*1)+(7*4)+(6*5)+(5*8)+(4*0)+(3*8)+(2*4)+(1*2)=140
140 % 10 = 0
So 145808-42-0 is a valid CAS Registry Number.