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Benzenemethanol, 4-nitro-, methylcarbamate (ester), also known as 4-nitrobenzyl methylcarbamate, is an organic compound with the chemical formula C9H10N2O4. It is a derivative of benzyl alcohol, where a nitro group is attached to the benzene ring at the para position, and a methylcarbamate group is attached to the hydroxyl group. Benzenemethanol, 4-nitro-, methylcarbamate (ester) is a white crystalline solid and is soluble in organic solvents. It is primarily used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals, particularly as a precursor for the production of insecticides and herbicides. Due to its reactivity and potential toxicity, it is important to handle Benzenemethanol, 4-nitro-, methylcarbamate (ester) with care and in accordance with safety regulations.

4287-90-5

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4287-90-5 Usage

Chemical Classification

Carbamate insecticide

Toxicity

Highly toxic

Usage

Systemic insecticide
Acaricide
Nematicide

Target Pests

Soil pests in field crops such as corn, cotton, potatoes, soybeans

Application

Used on fruits and vegetables

Impact on Wildlife

Highly toxic to birds, fish, and other wildlife

Routes of Exposure

Ingestion
Inhalation
Skin absorption

Regulation

Banned in many countries

Reason for Ban

Harmful effects on the environment
Harmful effects on human health

Check Digit Verification of cas no

The CAS Registry Mumber 4287-90-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,8 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4287-90:
(6*4)+(5*2)+(4*8)+(3*7)+(2*9)+(1*0)=105
105 % 10 = 5
So 4287-90-5 is a valid CAS Registry Number.

4287-90-5Relevant academic research and scientific papers

Nitrobenzyl halides and carbamates as prototype bioreductive alkylating agents

Teicher,Sartorelli

, p. 955 - 960 (1980)

o-Nitrobenzyl and p-nitrobenzyl alcohols, halides, and N-substituted carbamates were prepared as potential bioreductive alkylating agents, and first half-wave reduction potentials of these compounds were measured by differential pulse polarography. The cy

Synthetic and structural studies on 1,2,4-dithiazolidine-3,5-dione derivatives

Wood, Mark E.,Cane-Honeysett, Daniel J.,Dowle, Michael D.,Coles, Simon J.,Hursthouse, Michael B.

, p. 3015 - 3023 (2007/10/03)

Methods have been developed for the N-alkylation of 1,2,4-dithiazolidine-3,5-dione 2 and the subsequent conversion of the N-alkylated derivatives into isocyanates 5. An extension of this methodology onto a solid-support is also reported. X-ray crystallographic analysis has been carried out on potassium 1,2,4-dithiazolidine-3,5-dione 3 for structural comparison with the parent heterocycle 2.

1,2,4-Dithiazolidine-3,5-dione: A nucleophilic isocyanate 'building block'

Cane-Honeysett,Dowle,Wood

, p. 1622 - 1624 (2007/10/03)

Mild conditions are described for the direct N-alkylation of 1,2,4-dithiazolidine-3,5-dione 1 using a variety of alkyl halides with subsequent conversion of the products 2 into alkyl isocyanates using triphenylphosphine.

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