Reference of 40191-32-0, Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. 40191-32-0, Name is Tetrahydro-2H-pyran-4-carbonyl chloride, molecular formula is C6H9ClO2. In a Patent，once mentioned of 40191-32-0
Compounds that may have anti-inflammatory activity are of general formula (I); wherein X1, is H or COR1, and X2 is H or COR2but X1, and X2are not both H; R1 and R2are the same or different and are each C1-4 alkyl substituted with R3, or a four to seven-membered ring which can be optionally substituted with R8and can contain one or more additional heteroatoms selected from O, S(O)nand NR9; is R3 is F, CF3, OR4, NR5R6O, S(O)n R7 ; R4, R5 and R6are the same or different and are each H or C1-4 alkyl optionally substituted with R3, or NR5R6 is a C4-6 heterocycloalkyl ring containing one or more heteroatoms selected from O, NR8 and S(O)n; each n is 0-2; R7 is C1-4 alkyl; R8 is as defined for R3 or C1-4 alkyl optionally substituted with R3or halogen; and R9 is H or C1-4 alkyl; or a salt, solvate or hydrate thereof.
The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 40191-32-0 is helpful to your research., Reference of 40191-32-0
Reference：
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics