81237-48-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81237-48-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,3 and 7 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81237-48:
(7*8)+(6*1)+(5*2)+(4*3)+(3*7)+(2*4)+(1*8)=121
121 % 10 = 1
So 81237-48-1 is a valid CAS Registry Number.