143681-95-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143681-95-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,6,8 and 1 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 143681-95:
(8*1)+(7*4)+(6*3)+(5*6)+(4*8)+(3*1)+(2*9)+(1*5)=142
142 % 10 = 2
So 143681-95-2 is a valid CAS Registry Number.