2-Benzyloxy-α-ethyl-diphenylphosphin-oxid, also known as (2-benzyloxyethyl)-diphenylphosphinous oxide, is a chemical compound with the molecular formula C20H21O2P. It is a colorless to pale yellow crystalline solid that is soluble in organic solvents. <2-Benzyloxy-aethyl>-diphenylphosphin-oxid is an organophosphorus compound, specifically a phosphine oxide, and is characterized by the presence of a phosphorus atom bonded to two phenyl groups and an ethyl group, with a benzyloxy group attached to the ethyl moiety. It is used as a reagent in organic synthesis, particularly in the formation of phosphorus-containing compounds, and can be involved in various chemical reactions, such as the formation of phosphonium salts or as a ligand in transition metal complexes. The compound is sensitive to moisture and air, and should be handled under an inert atmosphere.

4336-73-6

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Basic information
1. Product Name: <2-Benzyloxy-aethyl>-diphenylphosphin-oxid
2. Synonyms:
3. CAS NO:4336-73-6
4. Molecular Formula:
5. Molecular Weight: 336.37
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: <2-Benzyloxy-aethyl>-diphenylphosphin-oxid(CAS DataBase Reference)
10. NIST Chemistry Reference: <2-Benzyloxy-aethyl>-diphenylphosphin-oxid(4336-73-6)
11. EPA Substance Registry System: <2-Benzyloxy-aethyl>-diphenylphosphin-oxid(4336-73-6)
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: 4336-73-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4336-73-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,3,3 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4336-73:
(6*4)+(5*3)+(4*3)+(3*6)+(2*7)+(1*3)=86
86 % 10 = 6
So 4336-73-6 is a valid CAS Registry Number.

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