Hemslecin A - 10mM in DMSO , CAS No.58546-34-2

CAS: 58546-34-2 Cat. No.: H424895 Molecular Weight: 562.73 EC Number: 683-211-6 PubChem CID: 181183

GRADE & PURITY 10mM in DMSO

Synonyms

Q-100672 | [(6R)-6-hydroxy-2-methyl-5-oxo-6-[(2S,3S,8S,9R,10R,13R,14S,16R,17R)-2,3,16-trihydroxy-4,4,9,13,14-pentamethyl-11-oxo-1,2,3,7,8,10,12,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl]heptan-2-yl] acetate | Dihydrocucurbitacin Q1 | 1,2,16,20-Tetr

Storage

Store at -80°C

Shipped In

Dry ice packs + Cold packs

Specifications

Synonyms

Q-100672 | [(6R)-6-hydroxy-2-methyl-5-oxo-6-[(2S, 3S, 8S, 9R, 10R, 13R, 14S, 16R, 17R)-2, 3, 16-trihydroxy-4, 4, 9, 13, 14-pentamethyl-11-oxo-1, 2, 3, 7, 8, 10, 12, 15, 16, 17-decahydrocyclopenta[a]phenanthren-17-yl]heptan-2-yl] acetate | Dihydrocucurbitacin Q1 | 1, 2, 16, 20-Tetr

Specifications & Purity

10mM in DMSO

Storage

Store at -80°C

Shipped In

Dry ice packs + Cold packs

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

Names and Identifiers

• Canonical Smiles: CC(=O)OC(C)(C)CCC(=O)C(C)(C1C(CC2(C1(CC(=O)C3(C2CC=C4C3CC(C(C4(C)C)O)O)C)C)C)O)O
• IUPAC Name: [(6R)-6-hydroxy-2-methyl-5-oxo-6-[(2S,3S,8S,9R,10R,13R,14S,16R,17R)-2,3,16-trihydroxy-4,4,9,13,14-pentamethyl-11-oxo-1,2,3,7,8,10,12,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl]heptan-2-yl] acetate
• InChIKey: LKYNAQSYQLFTCM-GYXNDICUSA-N
• INCHI: 1S/C32H50O8/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/h10,19-22,25-26,34-35,38-39H,11-16H2,1-9H3/t19-,20+,21-,22+,25+,26-,29+,30-,31+,32+/m1/s1
• Isomeric SMILES: CC(=O)OC(C)(C)CCC(=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@@H]([C@H](C4(C)C)O)O)C)C)C)O)O
• PubChem CID: 181183
• Molecular Weight: 562.73

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-alpha-hydroxysteroids 3-hydroxy delta-5-steroids Delta-5-steroids Acyloins Tertiary alcohols Alpha-hydroxy ketones Cyclic alcohols and derivatives Carboxylic acid esters Secondary alcohols Monocarboxylic acids and derivatives Polyols Organic oxides Hydrocarbon derivatives
• Molecular Framework: Aliphatic homopolycyclic compounds
• Substituents: Cucurbitacin skeleton - Triterpenoid - 22-oxosteroid - 21-oxosteroid - 20-hydroxysteroid - Steroid ester - 2-hydroxysteroid - Hydroxysteroid - 3-hydroxy-delta-5-steroid - 11-oxosteroid - 3-hydroxysteroid - 16-alpha-hydroxysteroid - 16-hydroxysteroid - 3-alpha-hydroxysteroid - Oxosteroid - 14-alpha-methylsteroid - Delta-5-steroid - Acyloin - Alpha-hydroxy ketone - Tertiary alcohol - Cyclic alcohol - Secondary alcohol - Carboxylic acid ester - Ketone - Polyol - Carboxylic acid derivative - Monocarboxylic acid or derivatives - Organic oxide - Carbonyl group - Organic oxygen compound - Alcohol - Organooxygen compound - Hydrocarbon derivative - 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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Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Associated Targets(non-human)

Hepatitis B virus (7925 Activities)

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Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Mechanisms of Action

Chemical and Physical Properties

• Molecular Weight: 562.700 g/mol
• XLogP3: 2.600
• Hydrogen Bond Donor Count: 4
• Hydrogen Bond Acceptor Count: 8
• Rotatable Bond Count: 7
• Exact Mass: 562.351 Da
• Monoisotopic Mass: 562.351 Da
• Topological Polar Surface Area: 141.000 Ų
• Heavy Atom Count: 40
• Formal Charge: 0
• Complexity: 1120.000
• 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

References

1. Yinyin Zhao, Binyuan Jiang, Shengnan Zuo.  (2025)  Cucurbitacin IIa Alleviates Colitis via Promoting the Release of Host-Derived Extracellular Vesicles Encapsulating microRNA-30b-5p.  Journal of Inflammation Research,      [PMID:39906136] [10.2147/JIR.S500722]