847862-92-4 Usage
General Description
3-Ethyl-4-fluorobenzoic acid is a chemical compound with the molecular formula C9H9FO2. It is a derivative of benzoic acid, containing an ethyl group at the 3-position and a fluorine atom at the 4-position of the aromatic ring. 3-ETHYL-4-FLUOROBENZOIC ACID has potential applications in the pharmaceutical and agrochemical industries, as well as in organic synthesis. It is commonly used as an intermediate for the production of various pharmaceuticals and agrochemicals. 3-Ethyl-4-fluorobenzoic acid is a white to off-white solid at room temperature and is sparingly soluble in water. It is important to handle this chemical with care and follow proper safety protocols due to its toxic and irritant properties.
Check Digit Verification of cas no
The CAS Registry Mumber 847862-92-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,7,8,6 and 2 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 847862-92:
(8*8)+(7*4)+(6*7)+(5*8)+(4*6)+(3*2)+(2*9)+(1*2)=224
224 % 10 = 4
So 847862-92-4 is a valid CAS Registry Number.
847862-92-4Relevant articles and documents
The first regioselective metalation and functionalization of unprotected 4-halobenzoic acids
Gohier, Frederic,Castanet, Anne-Sophie,Mortier, Jacques
, p. 1501 - 1504 (2005)
(Chemical Equation Presented) By treatment with s-BuLi, s-BuLi/TMEDA, or t-BuLi at ～-78°C, 4-fluoro- and 4-chlorobenzoic acids (1a,b) are metalated preferentially in the position adjacent to the carboxylate. A complete reversal in regioselectivity is observed for 1a when treated with LTMP; a sequential process involving a rapid intraaggregate lithiation through a quasi dianion complex "QUADAC" is postulated to explain the unusual reactivity of Me2S2 and I2.
