1-tert.-Butoxycarbonyl-2-oxo-4-phenyl-but-3-enyliden-triphenylphosphoran is a complex organic compound with the molecular formula C31H31O3P. It is a phosphorus-containing molecule, specifically a phosphoran derivative, which is characterized by the presence of a phosphorus atom bonded to a carbonyl group and an alkene moiety. <1-tert.-Butoxycarbonyl-2-oxo-4-phenyl-but-3-enyliden>-triphenylphosphoran is a key intermediate in the synthesis of various pharmaceuticals and natural products, particularly those involving the formation of carbon-carbon bonds through the Wittig reaction. The tert-butoxycarbonyl group serves as a protecting group for the carbonyl function, which can be removed under acidic conditions to reveal the free carbonyl group. The phenyl group attached to the butenyliden system provides steric and electronic effects that can influence the reactivity and selectivity of the molecule in chemical transformations.

4895-62-9

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Basic information
1. Product Name: <1-tert.-Butoxycarbonyl-2-oxo-4-phenyl-but-3-enyliden>-triphenylphosphoran
2. Synonyms: <1-tert.-Butoxycarbonyl-2-oxo-4-phenyl-but-3-enyliden>-triphenylphosphoran
3. CAS NO:4895-62-9
4. Molecular Formula:
5. Molecular Weight: 506.581
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: <1-tert.-Butoxycarbonyl-2-oxo-4-phenyl-but-3-enyliden>-triphenylphosphoran(CAS DataBase Reference)
10. NIST Chemistry Reference: <1-tert.-Butoxycarbonyl-2-oxo-4-phenyl-but-3-enyliden>-triphenylphosphoran(4895-62-9)
11. EPA Substance Registry System: <1-tert.-Butoxycarbonyl-2-oxo-4-phenyl-but-3-enyliden>-triphenylphosphoran(4895-62-9)
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: 4895-62-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4895-62-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,9 and 5 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4895-62:
(6*4)+(5*8)+(4*9)+(3*5)+(2*6)+(1*2)=129
129 % 10 = 9
So 4895-62-9 is a valid CAS Registry Number.

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