Ethyl-α-fluorocrotonate, also known as 2-fluoro-2-butenoic acid ethyl ester, is an organic compound with the chemical formula C6H9FO2. It is a colorless liquid that is soluble in organic solvents and has a molecular weight of 126.14 g/mol. Ethyl-α-fluorocrotonat is a fluorinated derivative of crotonate, which is a type of unsaturated carboxylic acid. Ethyl-α-fluorocrotonate is synthesized by the addition of ethyl acrylate to fluoroacetone, followed by hydrolysis and esterification. It is used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals due to its unique reactivity and fluorine-containing structure, which can impart specific properties to the final products.

686-45-3

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Basic information
1. Product Name: Ethyl-α-fluorocrotonat
2. Synonyms: Ethyl-α-fluorocrotonat
3. CAS NO:686-45-3
4. Molecular Formula:
5. Molecular Weight: 132.135
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: Ethyl-α-fluorocrotonat(CAS DataBase Reference)
10. NIST Chemistry Reference: Ethyl-α-fluorocrotonat(686-45-3)
11. EPA Substance Registry System: Ethyl-α-fluorocrotonat(686-45-3)
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: 686-45-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 686-45-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,8 and 6 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 686-45:
(5*6)+(4*8)+(3*6)+(2*4)+(1*5)=93
93 % 10 = 3
So 686-45-3 is a valid CAS Registry Number.

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600-18-0 2-Oxobutyric acid

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