Schwefels?ure-chlorid-(o-fluor-phenylester), also known as o-fluorophenyl chlorosulfate, is an organosulfur compound with the chemical formula C6H4ClFO2S. It is derived from chlorosulfonic acid and o-fluorophenol, where the hydroxyl group of o-fluorophenol is replaced by a chlorosulfate group. Schwefelsaeure-chlorid-(o-fluor-phenylester) is a colorless to pale yellow liquid with a pungent odor and is sensitive to moisture and heat. It is used as a reagent in organic synthesis, particularly for the preparation of various pharmaceuticals and agrochemicals. Due to its reactivity, it is important to handle o-fluorophenyl chlorosulfate with care, using appropriate safety measures to prevent exposure and potential hazards.
The CAS Registry Mumber 772-08-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,7 and 2 respectively; the second part has 2 digits, 0 and 8 respectively. Calculate Digit Verification of CAS Registry Number 772-08: (5*7)+(4*7)+(3*2)+(2*0)+(1*8)=77 77 % 10 = 7 So 772-08-7 is a valid CAS Registry Number.