(E)-2-(3-Hydroxy-5-oxo-4-phenylfuran-2-ylidene)-2-phenylacetic acid ethyl ester is a complex organic compound with the molecular formula C20H16O5. It is a derivative of phenylacetic acid, featuring a furan ring with a phenyl group attached to it. The compound is characterized by its (E)-configuration, indicating the geometric arrangement of the double bond in the molecule. It is an ester, with an ethoxy group attached to the carboxylic acid moiety. This chemical is known for its potential applications in the synthesis of various pharmaceuticals and as an intermediate in organic chemistry. Due to its complex structure, it is typically synthesized through multi-step reactions and is of interest to researchers in the field of organic synthesis and medicinal chemistry.

481-63-0

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Basic information
1. Product Name: (E)-2-(3-Hydroxy-5-oxo-4-phenylfuran-2-ylidene)-2-phenylacetic acid ethyl ester
2. Synonyms: (E)-2-(3-Hydroxy-5-oxo-4-phenylfuran-2-ylidene)-2-phenylacetic acid ethyl ester;Callopismic acid
3. CAS NO:481-63-0
4. Molecular Formula: C20H16O5
5. Molecular Weight: 336.34
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 481-63-0.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: (E)-2-(3-Hydroxy-5-oxo-4-phenylfuran-2-ylidene)-2-phenylacetic acid ethyl ester(CAS DataBase Reference)
10. NIST Chemistry Reference: (E)-2-(3-Hydroxy-5-oxo-4-phenylfuran-2-ylidene)-2-phenylacetic acid ethyl ester(481-63-0)
11. EPA Substance Registry System: (E)-2-(3-Hydroxy-5-oxo-4-phenylfuran-2-ylidene)-2-phenylacetic acid ethyl ester(481-63-0)
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: 481-63-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 481-63-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,8 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 481-63:
(5*4)+(4*8)+(3*1)+(2*6)+(1*3)=70
70 % 10 = 0
So 481-63-0 is a valid CAS Registry Number.

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