(4-fluoro-phenoxy)-acetic acid-anhydride, also known as 4-fluorophenoxyacetic anhydride, is a chemical compound with the molecular formula C15H11F3O5. It is a colorless to pale yellow crystalline solid that is soluble in organic solvents. (4-fluoro-phenoxy)-acetic acid-anhydride is primarily used as an intermediate in the synthesis of various agrochemicals, pharmaceuticals, and other specialty chemicals. It is derived from the reaction of 4-fluorophenol with acetic anhydride, resulting in the formation of an anhydride linkage between the phenoxy group and the acetic acid moiety. Due to its reactivity and versatility, (4-fluoro-phenoxy)-acetic acid-anhydride plays a significant role in the chemical industry, particularly in the development of new compounds with potential applications in various fields.
The CAS Registry Mumber 588-57-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,8 and 8 respectively; the second part has 2 digits, 5 and 7 respectively. Calculate Digit Verification of CAS Registry Number 588-57: (5*5)+(4*8)+(3*8)+(2*5)+(1*7)=98 98 % 10 = 8 So 588-57-8 is a valid CAS Registry Number.