Arsenochloridous acid, diethyl ester (9CI), also known as diethyl arsinochloridite, is an organoarsenic compound with the chemical formula C4H10AsClO2. It is a colorless liquid that is sensitive to light and moisture, and it decomposes upon exposure to air. Arsenochloridous acid,diethyl ester (9CI) is formed by the reaction of diethyl arsenite with chlorine gas, resulting in the formation of a chloridite ester. It is used as a reagent in organic synthesis, particularly in the preparation of various organoarsenic compounds. Due to its reactivity and potential toxicity, it is important to handle this chemical with care, following appropriate safety protocols.

4431-21-4

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Basic information
1. Product Name: Arsenochloridous acid,diethyl ester (9CI)
2. Synonyms: Arsine,chlorodiethoxy- (8CI); Ethyl chloroarsenate(III) ((EtO)2AsCl) (6CI);Chlorodiethoxyarsine; Ethyl dioxochloroarsenate(III)
3. CAS NO:4431-21-4
4. Molecular Formula: C4H10 As Cl O2
5. Molecular Weight: 200.497
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Arsenochloridous acid,diethyl ester (9CI)(CAS DataBase Reference)
10. NIST Chemistry Reference: Arsenochloridous acid,diethyl ester (9CI)(4431-21-4)
11. EPA Substance Registry System: Arsenochloridous acid,diethyl ester (9CI)(4431-21-4)
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: 4431-21-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4431-21-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,3 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4431-21:
(6*4)+(5*4)+(4*3)+(3*1)+(2*2)+(1*1)=64
64 % 10 = 4
So 4431-21-4 is a valid CAS Registry Number.

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