898770-31-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 898770-31-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,8,7,7 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 898770-31:
(8*8)+(7*9)+(6*8)+(5*7)+(4*7)+(3*0)+(2*3)+(1*1)=245
245 % 10 = 5
So 898770-31-5 is a valid CAS Registry Number.
InChI:InChI=1/C18H18FNO/c19-17-8-6-15(7-9-17)18(21)16-5-3-4-14(12-16)13-20-10-1-2-11-20/h3-9,12H,1-2,10-11,13H2