39998-81-7 Usage
Chemical Properties
colorless to light yellow liqui
Check Digit Verification of cas no
The CAS Registry Mumber 39998-81-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,9,9 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 39998-81:
(7*3)+(6*9)+(5*9)+(4*9)+(3*8)+(2*8)+(1*1)=197
197 % 10 = 7
So 39998-81-7 is a valid CAS Registry Number.
InChI:InChI=1/C7H6FI/c1-5-2-3-6(9)4-7(5)8/h2-4H,1H3