Dithiophosphoric acid O,O-dimethyl S-(4-nitrobenzyl) ester is a chemical compound with the molecular formula C9H10NO4PS2. It is an organophosphorus compound that belongs to the class of dithiophosphoric acid esters. Dithiophosphoric acid O,O-dimethyl S-(4-nitrobenzyl) ester is characterized by the presence of a dithiophosphoric acid backbone, with two methyl groups attached to the oxygen atoms and a 4-nitrobenzyl group attached to the sulfur atom. The 4-nitrobenzyl group is a substituted benzene ring with a nitro group at the para position and a benzyl group attached to the benzene ring. This chemical is primarily used as a pesticide, specifically as an acaricide, to control mites and ticks in agricultural settings. Its mode of action involves inhibiting acetylcholinesterase, an enzyme essential for the proper functioning of the nervous system in these pests, leading to their paralysis and death. Due to its specific chemical structure and properties, it is an effective agent against a variety of mite species that can cause significant damage to crops.

4156-42-7

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Basic information
1. Product Name: Dithiophosphoric acid O,O-dimethyl S-(4-nitrobenzyl) ester
2. Synonyms: B-1946;Dithiophosphoric acid O,O-dimethyl S-(4-nitrobenzyl) ester
3. CAS NO:4156-42-7
4. Molecular Formula:
5. Molecular Weight: 0
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 4156-42-7.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Dithiophosphoric acid O,O-dimethyl S-(4-nitrobenzyl) ester(CAS DataBase Reference)
10. NIST Chemistry Reference: Dithiophosphoric acid O,O-dimethyl S-(4-nitrobenzyl) ester(4156-42-7)
11. EPA Substance Registry System: Dithiophosphoric acid O,O-dimethyl S-(4-nitrobenzyl) ester(4156-42-7)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 4156-42-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4156-42-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,5 and 6 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4156-42:
(6*4)+(5*1)+(4*5)+(3*6)+(2*4)+(1*2)=77
77 % 10 = 7
So 4156-42-7 is a valid CAS Registry Number.

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