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Heptane-4-sulfonyl chloride, also known as 4-heptanesulfonyl chloride or 1-(chlorosulfonyl)butane, is an organic compound with the chemical formula C7H15ClO2S. It is a colorless liquid with a pungent odor and is soluble in organic solvents. This chemical is primarily used as a reagent in organic synthesis, particularly for the preparation of sulfonamides and other sulfur-containing compounds. It is also employed in the synthesis of pharmaceuticals, agrochemicals, and other specialty chemicals. Due to its reactivity, heptane-4-sulfonyl chloride should be handled with care, as it can cause irritation to the skin, eyes, and respiratory system, and may pose risks to the environment.

920-88-7

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920-88-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 920-88-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,2 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 920-88:
(5*9)+(4*2)+(3*0)+(2*8)+(1*8)=77
77 % 10 = 7
So 920-88-7 is a valid CAS Registry Number.

920-88-7Upstream product

920-88-7Downstream Products

920-88-7Relevant academic research and scientific papers

THE PHOTOCHEMICAL CHLOROSULFONATION OF HEPTANE BY SULFURYL CHLORIDE. THE ROLE OF SOLVENT AND CATALYST. A REINVESTIGATION.

Tazerouti, A.,Rahal, S.,Soumillion, J. Ph.

, p. 101 - 119 (2007/10/02)

Sulfuryl chloride has been tested as a chlorosulfonation reagent of n-heptane under various conditions.Pyridine was confirmed as the best catalyst for the reaction and the sulfochlorination yield was found to be enhanced by the use of benzene as solvent.The distribution of all the isomeric chlorinated and sulfochlorinated products has been measured.This information is used in order to understand the mechanism of this rather complex reaction.The catalyzed photoinitiation leads to the in situ formation of a low concentration of molecular chlorine.The observed selectivity is the result of a delicate balance between the photoinitiation leading the chlorine atoms and the rather short chain propagations leading to the formation of the chlorosulfonyl radical.

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