Phosphorane, trichlorobis(2-phenylethenyl)-, also known as trichlorobis(styryl)phosphorane, is a phosphorus-containing organometallic compound with the chemical formula C18H15Cl3P. It is a colorless to pale yellow crystalline solid, soluble in organic solvents such as dichloromethane and tetrahydrofuran. Phosphorane, trichlorobis(2-phenylethenyl)- is a highly reactive intermediate in organic synthesis, particularly useful in the formation of carbon-carbon bonds through the Wadsworth-Emmons reaction. It is prepared by the reaction of triphenylphosphine with chloral in the presence of a strong base, such as sodium hydride. Due to its reactivity, it is typically used in situ and requires careful handling. Trichlorobis(2-phenylethenyl)-phosphorane is a valuable reagent in the synthesis of various organic compounds, including alkenes, phosphonates, and other phosphorus-containing molecules.

5003-97-4

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Basic information
1. Product Name: Phosphorane, trichlorobis(2-phenylethenyl)-
2. Synonyms:
3. CAS NO:5003-97-4
4. Molecular Formula: C16H14Cl3P
5. Molecular Weight: 343.62
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: Phosphorane, trichlorobis(2-phenylethenyl)-(CAS DataBase Reference)
10. NIST Chemistry Reference: Phosphorane, trichlorobis(2-phenylethenyl)-(5003-97-4)
11. EPA Substance Registry System: Phosphorane, trichlorobis(2-phenylethenyl)-(5003-97-4)
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: 5003-97-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5003-97-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,0 and 3 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 5003-97:
(6*5)+(5*0)+(4*0)+(3*3)+(2*9)+(1*7)=64
64 % 10 = 4
So 5003-97-4 is a valid CAS Registry Number.

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