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Cyclohexane, 3-butenylidene-, (E)-, also known as 3-Butenylidenecyclohexane or (E)-3-Butenylidenecyclohexane, is an organic compound with the molecular formula C10H16. It is a colorless liquid that is insoluble in water and has a density of 0.84 g/cm3. Cyclohexane, 3-butenylidene-, (E)- is characterized by a cyclohexane ring with a butenyl group attached to the third carbon atom in the E configuration, which means the double bond has a trans arrangement. It is used as a chemical intermediate in the synthesis of various organic compounds and can be found in the fragrance and flavoring industry. Due to its reactive nature, it is important to handle Cyclohexane, 3-butenylidene-, (E)- with care, following proper safety protocols.

1551-68-4

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1551-68-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1551-68-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,5 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1551-68:
(6*1)+(5*5)+(4*5)+(3*1)+(2*6)+(1*8)=74
74 % 10 = 4
So 1551-68-4 is a valid CAS Registry Number.

1551-68-4Downstream Products

1551-68-4Relevant academic research and scientific papers

Unsaturated hydrocarbons with fruity and floral odors

Anselmi, Cecilia,Centini, Marisanna,Fedeli, Paola,Paoli, Maria Laura,Sega, Alessandro,Scesa, Carla,Pelosi, Paolo

, p. 1285 - 1289 (2007/10/03)

Hydrocarbons usually do not exhibit odors of interest or well-defined character. However, certain cyclic alkenes have been associated with typical and pleasant notes, such as fruity, green, and floral. One of the best known examples is represented by the

Anwendungen der Phasentransfer-Katalyse 18. Horner-Emmons Reaktionen

Dehmlow, Eckehard V.,Barahona-Naranjo, Simon

, p. 1763 - 1771 (2007/10/02)

Optimale Bedingungen fuer die Darstellung von Olefinen aus den relativ wenig aktivierten Benzyl-, Cinnamyl- und Crotonylphosphonestern wurden aufgesucht.Als Carbonylkomponenten koennen aromatische Aldehyde und (mit verminderten Ausbeuten) auch aliphatische Aldehyde und Ketone eingesetzt werden.Die beste Basen-Loesungsmittel-Katalysator-Kombination ist Benzol/gepulvertes KOH/18-Krone-6.Im Gegensatz zur phasentransfer-Katalytischen Wittig-Reaktion wird die Ausbeute bei der Horner-Reaktion durch die Gegenwart des Kronenethers verbessert.Mechanistische Schlussfolgerungen aus diesem Befund werden diskutiert.

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