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Undecylcarbamat, also known as 1-undecylcarbamic acid, is an organic compound with the chemical formula C12H23NO2. It is a white crystalline solid that is soluble in water and has a molecular weight of 213.32 g/mol. This chemical is primarily used as a pesticide and insecticide, targeting a wide range of pests such as aphids, mites, and whiteflies. It works by inhibiting the acetylcholinesterase enzyme in the nervous system of insects, leading to paralysis and death. Undecylcarbamat is considered a carbamate pesticide, which is a class of chemicals known for their broad-spectrum activity and relatively short persistence in the environment. It is important to handle and apply this chemical according to safety guidelines to minimize risks to human health and the environment.

21950-91-4

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21950-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21950-91-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,9,5 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 21950-91:
(7*2)+(6*1)+(5*9)+(4*5)+(3*0)+(2*9)+(1*1)=104
104 % 10 = 4
So 21950-91-4 is a valid CAS Registry Number.

21950-91-4Downstream Products

21950-91-4Relevant academic research and scientific papers

Iron-catalyzed reaction of urea with alcohols and amines: A safe alternative for the synthesis of primary carbamates

Pe?a-López, Miguel,Neumann, Helfried,Beller, Matthias

, p. 2233 - 2238 (2017/07/25)

A general study of the iron-catalyzed reaction of urea with nucleophiles is here presented. The carbamoylation of alcohols allows for the synthesis of N-unsubstituted (primary) carbamates, including present drugs (Felbamate and Meprobamat, without the necessity to apply phosgene and related derivatives. Using amines as nucleophiles gave rise to the respective mono-and disubstituted ureas via selective transamidation reaction. These atom-economical transformations provide a direct and selective access to valuable compounds from cheap and readily available urea using a simple Lewis-acidic iron(Icatalyst.

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