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1,2-Bis(O-ethyl phenylcarbonimidothioate)disulfane, also known as Fensulfothion, is an organophosphorus compound primarily used as an insecticide and acaricide. It is a colorless to pale yellow liquid with a molecular formula of C16H22O4PS3 and a molecular weight of 390.45 g/mol. Fensulfothion works by inhibiting the enzyme acetylcholinesterase, which disrupts the nervous system of pests, leading to their paralysis and eventual death. It is effective against a wide range of pests, including aphids, mites, and caterpillars, and is used in agriculture to protect crops such as cotton, fruits, and vegetables. However, due to its potential environmental and health risks, its use has been restricted or banned in some countries.

854-42-2

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854-42-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 854-42-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,5 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 854-42:
(5*8)+(4*5)+(3*4)+(2*4)+(1*2)=82
82 % 10 = 2
So 854-42-2 is a valid CAS Registry Number.

854-42-2Relevant academic research and scientific papers

Copper/Nickel-Catalyzed Selective C–S/S–S Bond Formation Starting from O-Alkyl Phenylcarbamothioates

Dong, Zhi-Bing,Gao, Ming-Yuan,Guo, Jia,Peng, Kang,Yi, Yu-Yan

, (2020/03/16)

A convenient and effective method is described to construct C–S/S–S bond starting from O-alkyl phenylcarbamothioates, giving diverse O-alkyl S-phenyl phenylcarbonimidothioates and isothiourea disulfides, respectively. The C–S bond formation products (O-al

Acid-catalysed Rearrangement of Bis-5,6-Dihydro-4H-1,3-thiazin-2-yl and Other Disulphides and Related Reactions

Barrett, Anthony G. M.,Barton, Derek H. R.,Colle, Roberto

, p. 665 - 671 (2007/10/02)

Some dithiocarbamates, thiocarbamates, and thiourea derivatives have been oxidised to the disulphides 1X(R2N=)C>2S2 with iodine.In the presence of trifluoroacetic acid, these lost sulphur giving the thiocarbonyl derivatives R1X(R2N=)C-N(R2)CSR1 (R1, R2, X =3, S; 2, S; Me, Me, S; Et, PhCH2, O; 5α-cholestan-3β-yl, Et, O; and Me, Ph, NMe).These rearrangements were most plausibly intramolecular, but proceeded by varying extents of intermolecular scrambling.

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