2-Butenoic acid, 2-cyano-, ethyl ester, also known as ethyl 2-cyanocrotonate, is a chemical compound with the molecular formula C7H9NO2. It is a colorless liquid with a pungent odor and is soluble in organic solvents. This ester is synthesized by the reaction of ethyl acetate with cyanoacetic acid in the presence of a base, such as sodium ethoxide. Ethyl 2-cyanocrotonate is primarily used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. It is also employed in the preparation of polymers and as a reagent in organic synthesis. Due to its reactivity, it is essential to handle 2-Butenoic acid, 2-cyano-, ethyl ester with care, following proper safety protocols.
686-33-9
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Basic information
- Product Name: 2-Butenoic acid, 2-cyano-, ethyl ester
- Synonyms:
- CAS NO:686-33-9
- Molecular Formula: C7H9NO2
- Molecular Weight: 139.154
- EINECS: N/A
- Product Categories: N/A
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: 2-Butenoic acid, 2-cyano-, ethyl ester(CAS DataBase Reference)
- NIST Chemistry Reference: 2-Butenoic acid, 2-cyano-, ethyl ester(686-33-9)
- EPA Substance Registry System: 2-Butenoic acid, 2-cyano-, ethyl ester(686-33-9)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 686-33-9(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 686-33-9 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, 3 and 3 respectively.Calculate Digit Verification of CAS Registry Number 686-33:
(5*6)+(4*8)+(3*6)+(2*3)+(1*3)=89
89 % 10 = 9
So 686-33-9 is a valid CAS Registry Number.
686-33-9Upstream product
686-33-9Downstream Products
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- 16792-67-9 3-<2-Oxo-cyclohexyl>-2-cyano-buttersaeureaethylester
- 131919-96-5 ethyl 5-(5-benzyloxy-3-indolyl)-4-cyano-4-ethoxycarbonyl-2-(methoxyimino)hexanoate
- 5407-83-0 ethyl 2-cyano-2-cyclopentylideneacetate
- 77821-79-5 4-methyl-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[b]pyridine-3-carbonitrile
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2-Butenoic acid, 2-cyano-, ethyl ester
