Cucurbitacin E - ≥99% , CAS No.18444-66-1

CAS: 18444-66-1 Cat. No.: C305256 Molecular Weight: 556.69 EC Number: 242-325-2

GRADE & PURITY ≥99%

Synonyms

MFCD00135936 | NSC106399 | NSC-106399 | C08797 | CUCURBITACIN E [MI] | Cucurbitacine E | DTXSID601030496 | [(E,6R)-6-[(8S,9R,10R,13R,14S,16R,17R)-2,16-dihydroxy-4,4,9,13,14-pentamethyl-3,11-dioxo-8,10,12,15,16,17-hexahydro-7H-cyclopenta[a]phenanthren-17-y

Storage

Store at -20°C

Shipped In

Ice chest + Ice pads

Overview

Cucurbitacin E is a natural compound which from the climbing stem of Cucumic melo L. Cucurbitacin E significantly suppresses the activity of the cyclin B1/CDC2 complex.

Cucurbitacin E has been used as a cofilin inhibitor, It is also used as a F-actin stabilizer to prevent membrane-associated periodic skeleton (MPS) loss and protect from axonal fragmentation.

Specifications

Synonyms

MFCD00135936 | NSC106399 | NSC-106399 | C08797 | CUCURBITACIN E [MI] | Cucurbitacine E | DTXSID601030496 | [(E, 6R)-6-[(8S, 9R, 10R, 13R, 14S, 16R, 17R)-2, 16-dihydroxy-4, 4, 9, 13, 14-pentamethyl-3, 11-dioxo-8, 10, 12, 15, 16, 17-hexahydro-7H-cyclopenta[a]phenanthren-17-y

Specifications & Purity

≥99%

Storage

Store at -20°C

Shipped In

Ice chest + Ice pads

This product requires cold chain shipping. Ground and other economy services are not available.

Purity

≥99%

Names and Identifiers

• Pubchem Sid: 504763347
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/504763347
• Canonical Smiles: CC(=O)OC(C)(C)C=CC(=O)C(C)(C1C(CC2(C1(CC(=O)C3(C2CC=C4C3C=C(C(=O)C4(C)C)O)C)C)C)O)O
• IUPAC Name: [(E,6R)-6-[(8S,9R,10R,13R,14S,16R,17R)-2,16-dihydroxy-4,4,9,13,14-pentamethyl-3,11-dioxo-8,10,12,15,16,17-hexahydro-7H-cyclopenta[a]phenanthren-17-yl]-6-hydroxy-2-methyl-5-oxohept-3-en-2-yl] acetate
• InChIKey: NDYMQXYDSVBNLL-MUYMLXPFSA-N
• INCHI: 1S/C32H44O8/c1-17(33)40-27(2,3)13-12-23(36)32(9,39)25-21(35)15-29(6)22-11-10-18-19(14-20(34)26(38)28(18,4)5)31(22,8)24(37)16-30(25,29)7/h10,12-14,19,21-22,25,34-35,39H,11,15-16H2,1-9H3/b13-12+/t19-,21-,22+,25+,29+,30-,31+,32+/m1/s1
• Isomeric SMILES: CC(=O)OC(C)(C)/C=C/C(=O)[C@@](C)([C@H]1[C@@H](C[C@@]2([C@@]1(CC(=O)[C@@]3([C@H]2CC=C4[C@H]3C=C(C(=O)C4(C)C)O)C)C)C)O)O
• Molecular Weight: 556.69
• Reaxy-Rn: 2068922
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2068922&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Lipids and lipid-like molecules
    • Class Steroids and steroid derivatives
      • Subclass Cucurbitacins

• Kingdom: Organic compounds
• Superclass: Lipids and lipid-like molecules
• Class: Steroids and steroid derivatives
• Subclass: Cucurbitacins
• Intermediate Tree Nodes: Not available
• Direct Parent: Cucurbitacins
• Alternative Parents: Triterpenoids Steroid esters 11-oxosteroids 14-alpha-methylsteroids 16-alpha-hydroxysteroids 3-oxo delta-1-steroids Delta-1-steroids Cyclohexenones Acyloins Enones Alpha-hydroxy ketones Tertiary alcohols Acryloyl compounds Cyclic alcohols and derivatives Carboxylic acid esters Secondary alcohols Monocarboxylic acids and derivatives Enols Hydrocarbon derivatives Organic oxides
• Molecular Framework: Aliphatic homopolycyclic compounds
• Substituents: Cucurbitacin skeleton - Triterpenoid - 22-oxosteroid - 21-oxosteroid - 20-hydroxysteroid - Steroid ester - 2-hydroxysteroid - 16-hydroxysteroid - 16-alpha-hydroxysteroid - 14-alpha-methylsteroid - Hydroxysteroid - 3-oxo-delta-1-steroid - Oxosteroid - 11-oxosteroid - 3-oxosteroid - Delta-1-steroid - Cyclohexenone - Acyloin - Alpha-hydroxy ketone - Cyclic alcohol - Enone - Tertiary alcohol - Alpha,beta-unsaturated ketone - Acryloyl-group - Cyclic ketone - Secondary alcohol - Carboxylic acid ester - Ketone - Carboxylic acid derivative - Monocarboxylic acid or derivatives - Enol - Hydrocarbon derivative - Carbonyl group - Organic oxide - Alcohol - Organooxygen compound - Organic oxygen compound - Aliphatic homopolycyclic compound
• Description: This compound belongs to the class of organic compounds known as cucurbitacins. These are polycyclic compounds containing the tetracyclic cucurbitane nucleus skeleton, 19-(10->9b)-abeo-10alanost-5-ene (also known as 9b-methyl-19-nor lanosta-5-ene), with a variety of oxygenation functionalities at different positions.
• External Descriptors: Cholesterol and derivatives

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Associated Targets(Human)

ITGAL Tclin Integrin alpha-L (1 Activities)

Discover Target: ITGAL

Activity Type	Activity Value -log(M)	Mechanism of Action	Activity Reference	Publications (PubMed IDs)

Chemical and Physical Properties

• Solubility: DMSO: 15 mg/mL, clear
• Specific Rotation[α]: [α]/D -60 to -75°, c = 0.7 (CDCl3)
• Molecular Weight: 556.700 g/mol
• XLogP3: 3.200
• Hydrogen Bond Donor Count: 3
• Hydrogen Bond Acceptor Count: 8
• Rotatable Bond Count: 6
• Exact Mass: 556.304 Da
• Monoisotopic Mass: 556.304 Da
• Topological Polar Surface Area: 138.000 Ų
• Heavy Atom Count: 40
• Formal Charge: 0
• Complexity: 1270.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 8
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 1
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 1
• Covalently-Bonded Unit Count: 1

References

1. Kai Ni, Bo Che, Rong Gu, Chunhong Wang, Hongyang Xu, Huiduo Li, Shiyan Cen, Mingzhi Luo, Linhong Deng.  (2024)  BitterDB database analysis plus cell stiffness screening identify flufenamic acid as the most potent TAS2R14-based relaxant of airway smooth muscle cells for therapeutic bronchodilation.  Theranostics,      [PMID:38389834] [10.7150/thno.92492]

2. Fengxia Zhan, Wei Song, Yong Fan, Fangjian Wang, Qian Wang.  (2024)  Cucurbitacin E Alleviates Colonic Barrier Function Impairment and Inflammation Response and Improves Microbial Composition on Experimental Colitis Models.  Journal of Inflammation Research,      [PMID:38737108] [10.2147/JIR.S456353]