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3β-acetoxy-oleana-11,13(18)-diene is a naturally occurring triterpenoid compound, characterized by its unique chemical structure and biological properties. 3β-acetoxy-oleana-11,13(18)-diene is derived from the oleanane family of triterpenoids, which are widely found in plants and have various pharmacological activities. The molecule features a 3β-acetoxy group, which is an acetate ester attached to the 3β position of the oleanane skeleton, and a double bond between carbons 11 and 13, with an additional double bond between carbons 13 and 18. This specific arrangement of functional groups and double bonds contributes to its distinct chemical and biological properties. The compound has been studied for its potential anti-inflammatory, antitumor, and immunomodulatory effects, making it a subject of interest in the field of natural product chemistry and drug discovery.

2118-75-4

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2118-75-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2118-75-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,1 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2118-75:
(6*2)+(5*1)+(4*1)+(3*8)+(2*7)+(1*5)=64
64 % 10 = 4
So 2118-75-4 is a valid CAS Registry Number.

2118-75-4Relevant academic research and scientific papers

Triterpenes of Diospyros peregrina Gurke: Partial Synthesis of Olean-9(11),12-dien-3-one and Ursan-9(11),12-dien-3-one (Marsformosanone)

Bhaumik, Tapanjyoti,Dey, A. K.,Das, P. C.,Mukhopadhyay, A. K.,Chatterjee, A.

, p. 664 - 668 (2007/10/02)

Petrol extract of the fruits of Diospyros peregrina (Ebenaceae) has afforded a pentacyclic triterpene ketone with a homoannular diene system, besides betulin and lupeol.In order to establish the structure of the ketone, partial synthesis of both olean- and ursan-9(11),12-dien-3-ones have been achieved.The structure of the pentacyclic triterpene ketone has been established as marsformosanone (II) from spectral data, chemical reactions and synthesis.The occurrence of marsformosanone in Marsdenia formosana Masamune has been recently reported .

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