Cucurbitacin IIb - ≥98% , CAS No.50298-90-3

CAS: 50298-90-3 Cat. No.: C412645 Formula: C₃₀H₄₈O₇ Molecular Weight: 520.71

GRADE & PURITY ≥98%

Synonyms

(2S,3S,8S,9R,10R,13R,14S,16R,17R)-17-[(2R)-2,6-dihydroxy-6-methyl-3-oxoheptan-2-yl]-2,3,16-trihydroxy-4,4,9,13,14-pentamethyl-1,2,3,7,8,10,12,15,16,17-decahydrocyclopenta[a]phenanthren-11-one | HY-N1987 | Curcurbitacin-Iib | Cucurbitacin centob | S0949 |

Storage

Protected from light,Store at -20°C

Shipped In

Ice chest + Ice pads

Overview

Information

Cucurbitacin IIb (CuIIb, Dihydrocucurbitacin F, 25-deacetyl hemslecin A) inhibits phosphorylation ofSTAT3,JNKandErk1/2, enhances the phosphorylation ofIκBandNF-κB, blocks nuclear translocation ofNF-κBand decreases mRNA levels ofIκBαandTNF-α. Cucurbitacin IIb exhibits anti-inflammatory activity and inducesapoptosis. Cucurbitacin IIb is isolated fromHemsleya amabilis.

Targets

STAT3 ; JNK ; ERK1/2 ; IκBα ; NF-κB 33577,

Specifications

Synonyms

(2S,3S,8S,9R,10R,13R,14S,16R,17R)-17-[(2R)-2,6-dihydroxy-6-methyl-3-oxoheptan-2-yl]-2,3,16-trihydroxy-4,4,9,13,14-pentamethyl-1,2,3,7,8,10,12,15,16,17-decahydrocyclopenta[a]phenanthren-11-one | HY-N1987 | Curcurbitacin-Iib | Cucurbitacin centob | S0949 |

Specifications & Purity

≥98%

Biochemical and Physiological Mechanisms

Cucurbitacin IIb (CuIIb, Dihydrocucurbitacin F, 25-deacetyl hemslecin A) inhibits phosphorylation of STAT3, JNK and Erk1/2, enhances the phosphorylation of IκB and NF-κB, blocks nuclear translocation of NF-κB and decreases mRNA levels of IκBα and TNF-α. C

Storage

Protected from light,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

≥98%

Names and Identifiers

Pubchem Sid

504765495

Pubchem Sid Url

https://pubchem.ncbi.nlm.nih.gov/substance/504765495

Canonical Smiles

CC1(C(C(CC2C1=CCC3C2(C(=O)CC4(C3(CC(C4C(C)(C(=O)CCC(C)(C)O)O)O)C)C)C)O)O)C

IUPAC Name

(2S,3S,8S,9R,10R,13R,14S,16R,17R)-17-[(2R)-2,6-dihydroxy-6-methyl-3-oxoheptan-2-yl]-2,3,16-trihydroxy-4,4,9,13,14-pentamethyl-1,2,3,7,8,10,12,15,16,17-decahydrocyclopenta[a]phenanthren-11-one

InChIKey

VVBWBGOEAVGFTN-LPQIEKFGSA-N

INCHI

1S/C30H48O7/c1-25(2,36)12-11-21(33)30(8,37)23-19(32)14-27(5)20-10-9-16-17(13-18(31)24(35)26(16,3)4)29(20,7)22(34)15-28(23,27)6/h9,17-20,23-24,31-32,35-37H,10-15H2,1-8H3/t17-,18+,19-,20+,23+,24-,27+,28-,29+,30+/m1/s1

Isomeric SMILES

C[C@@]12C[C@H]([C@@H]([C@]1(CC(=O)[C@@]3([C@H]2CC=C4[C@H]3C[C@@H]([C@H](C4(C)C)O)O)C)C)[C@](C)(C(=O)CCC(C)(C)O)O)O

Molecular Weight

520.71

Reaxy-Rn

2685644

Reaxys-RN_link_address

https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2685644&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 3-hydroxy delta-5-steroids 3-alpha-hydroxysteroids 16-alpha-hydroxysteroids 14-alpha-methylsteroids 11-oxosteroids Delta-5-steroids Acyloins Tertiary alcohols Alpha-hydroxy ketones Secondary alcohols Cyclic alcohols and derivatives Polyols Organic oxides Hydrocarbon derivatives
• Molecular Framework: Aliphatic homopolycyclic compounds
• Substituents: Cucurbitacin skeleton - Triterpenoid - 25-hydroxysteroid - 22-oxosteroid - 21-oxosteroid - 20-hydroxysteroid - 3-alpha-hydroxysteroid - 16-hydroxysteroid - 16-alpha-hydroxysteroid - 14-alpha-methylsteroid - 3-hydroxysteroid - Oxosteroid - Hydroxysteroid - 11-oxosteroid - 2-hydroxysteroid - 3-hydroxy-delta-5-steroid - Delta-5-steroid - Acyloin - Alpha-hydroxy ketone - Tertiary alcohol - Cyclic alcohol - Secondary alcohol - Ketone - Polyol - Hydrocarbon derivative - Organic oxide - Carbonyl group - Organic oxygen compound - Alcohol - Organooxygen 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: Not available

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)

COLO 205 (50209 Activities)

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KB (17409 Activities)

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Associated Targets(non-human)

Hepatitis B virus (7925 Activities)

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P388 (20296 Activities)

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Mechanisms of Action

Chemical and Physical Properties

• Solubility: Solubility (25°C) In vitro
• Sensitivity: light sensitive
• Molecular Weight: 520.700 g/mol
• XLogP3: 2.000
• Hydrogen Bond Donor Count: 5
• Hydrogen Bond Acceptor Count: 7
• Rotatable Bond Count: 5
• Exact Mass: 520.34 Da
• Monoisotopic Mass: 520.34 Da
• Topological Polar Surface Area: 135.000 Ų
• Heavy Atom Count: 37
• Formal Charge: 0
• Complexity: 1020.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 10
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 1