65274-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65274-81-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,2,7 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 65274-81:
(7*6)+(6*5)+(5*2)+(4*7)+(3*4)+(2*8)+(1*1)=139
139 % 10 = 9
So 65274-81-9 is a valid CAS Registry Number.
InChI:InChI=1/C24H31FN4O2.2C4H4O4/c25-22-6-8-23(9-7-22)28-16-12-26(13-17-28)10-11-27-14-18-29(19-15-27)24(30)31-20-21-4-2-1-3-5-21;2*5-3(6)1-2-4(7)8/h1-9H,10-20H2;2*1-2H,(H,5,6)(H,7,8)/b;2*2-1+