24143-94-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 24143-94-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,1,4 and 3 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 24143-94:
(7*2)+(6*4)+(5*1)+(4*4)+(3*3)+(2*9)+(1*4)=90
90 % 10 = 0
So 24143-94-0 is a valid CAS Registry Number.
24143-94-0Relevant articles and documents
A new synthesis of trifluoromethylated cyclohexenes
Abele, Herbert,Haas, Alois,Lieb, Max,Zwingenberger, Joerg
, p. 25 - 29 (1993)
1,3-Dimethyl-2-ethoxycarbonyl-1-(trifluoromethyl)cyclohex-4-ene is prepared by the cycloaddition of 1,1,1-trifluoro-2-methyl-2-butenoic acid ethyl ester with 1,3-pentadiene.The dienophile is prepared by the reaction of CF3C(O)CH3 with BrCH2C(O)OC2H5 in th