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Cucurbitacin I - 98%, high purity , CAS No.2222-07-3

    Grade & Purity:
  • ≥98%
In stock
Item Number
C275563
Grouped product items
SKU Size
Availability
Price Qty
C275563-1mg
1mg
2
$59.90
C275563-5mg
5mg
2
$189.90

Selective STAT3/JAK2 pathway inhibitor

Basic Description

Synonyms (4R,9beta,16alpha,23E)-2,16,20,25-tetrahydroxy-9,10,14-trimethyl-4,9-cyclo-9,10-secocholesta-2,5,23-triene-1,11,22-trione | MLS002702902 | 2,16,20,25-Terahydroxycucurbita-1,5,23-triene-3,11,22-trione - Iberis umbellata (candytuft) | LMST01010110 | Cucurbi
Specifications & Purity ≥98%
Biochemical and Physiological Mechanisms Selective inhibitor of STAT3/JAK2 signaling pathways. Blocks STAT3 and JAK2 activation. Inactive towards Src, Akt1, ERK and JNK. Inhibits growth of tumors with constitutively active STAT3 in animal models. Suppresses invasion and angiogenesis of glioblast
Storage Temp Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Product Description

Cucurbitacin I, a natural compound, is a selective inhibitor of JAK2/STAT3 with anti-cancer activity.

Taxonomic Classification

Taxonomy Tree

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  11-oxosteroids  14-alpha-methylsteroids  16-alpha-hydroxysteroids  3-oxo delta-1-steroids  Delta-1-steroids  Cyclohexenones  Acyloins  Tertiary alcohols  Acryloyl compounds  Enones  Alpha-hydroxy ketones  Secondary alcohols  Cyclic alcohols and derivatives  Enols  Organic oxides  Hydrocarbon derivatives  
Molecular Framework Aliphatic homopolycyclic compounds
Substituents Cucurbitacin skeleton - Triterpenoid - 25-hydroxysteroid - 22-oxosteroid - 21-oxosteroid - 20-hydroxysteroid - 3-oxo-delta-1-steroid - 2-hydroxysteroid - 14-alpha-methylsteroid - Hydroxysteroid - 11-oxosteroid - Oxosteroid - 3-oxosteroid - 16-alpha-hydroxysteroid - 16-hydroxysteroid - Delta-1-steroid - Cyclohexenone - Acyloin - Alpha-hydroxy ketone - Tertiary alcohol - Alpha,beta-unsaturated ketone - Cyclic alcohol - Enone - Acryloyl-group - Cyclic ketone - Secondary alcohol - Ketone - Enol - Alcohol - Hydrocarbon derivative - Carbonyl group - Organic oxygen compound - Organooxygen compound - Organic oxide - 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

Associated Targets(Human)

ITGAL Tclin Integrin alpha-L (1 Activities)
Activity Type Activity Value -log(M) Mechanism of Action Activity Reference Publications (PubMed IDs)
ITGAL Tclin Leukocyte adhesion glycoprotein LFA-1 alpha (170 Activities)
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ATIC Tchem AICAR transformylase (241 Activities)
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A498 (42825 Activities)
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ACHN (49357 Activities)
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C8166 (1658 Activities)
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CAKI-1 (44928 Activities)
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CCRF-CEM (65223 Activities)
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COLO 205 (50209 Activities)
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DLD-1 (17511 Activities)
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DMS-273 (14108 Activities)
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DU-145 (51482 Activities)
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HL-60 (67320 Activities)
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HT-1080 (3966 Activities)
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HT-29 (80576 Activities)
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JY (36 Activities)
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K562 (73714 Activities)
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KM12 (47707 Activities)
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M14 (47487 Activities)
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MCF7 (126967 Activities)
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MOLT-4 (49676 Activities)
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OVCAR-3 (48710 Activities)
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OVCAR-4 (44535 Activities)
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OVCAR-5 (45555 Activities)
Activity Type Relation Activity value Units Action Type Journal PubMed Id doi Assay Aladdin ID
OVCAR-8 (47708 Activities)
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PC-3 (62116 Activities)
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RPMI-8226 (44974 Activities)
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RXF 393 (41971 Activities)
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RXF 631 (11415 Activities)
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SF-295 (48000 Activities)
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SK-MEL-2 (46422 Activities)
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SK-MEL-28 (48833 Activities)
Activity Type Relation Activity value Units Action Type Journal PubMed Id doi Assay Aladdin ID
SK-MEL-5 (47095 Activities)
Activity Type Relation Activity value Units Action Type Journal PubMed Id doi Assay Aladdin ID
SK-OV-3 (52876 Activities)
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SN12C (47755 Activities)
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SNB-19 (46794 Activities)
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SNB-78 (14240 Activities)
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TK-10 (45540 Activities)
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U-251 (51189 Activities)
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U-937 (7138 Activities)
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UACC-257 (46019 Activities)
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UACC-62 (47335 Activities)
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UO-31 (46270 Activities)
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XF498 (12972 Activities)
Activity Type Relation Activity value Units Action Type Journal PubMed Id doi Assay Aladdin ID
786-0 (47912 Activities)
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A549 (127892 Activities)
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NCI/ADR-RES (33767 Activities)
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T47D (39041 Activities)
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EKVX (44102 Activities)
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NCI-H322M (45589 Activities)
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HCC 2998 (41480 Activities)
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Associated Targets(non-human)

Human immunodeficiency virus 1 (70413 Activities)
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Mechanisms of Action

Mechanism of Action Action Type target ID Target Name Target Type Target Organism Binding Site Name References

Names and Identifiers

IUPAC Name (8S,9R,10R,13R,14S,16R,17R)-17-[(E,2R)-2,6-dihydroxy-6-methyl-3-oxohept-4-en-2-yl]-2,16-dihydroxy-4,4,9,13,14-pentamethyl-8,10,12,15,16,17-hexahydro-7H-cyclopenta[a]phenanthrene-3,11-dione
INCHI InChI=1S/C30H42O7/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/h9,11-13,17,19-20,23,31-32,36-37H,10,14-15H2,1-8H3/b12-11+/t17-,19-,20+,23+,27+,28-,29+,30+/m1/s1
InChIKey NISPVUDLMHQFRQ-MKIKIEMVSA-N
Smiles CC1(C2=CCC3C4(CC(C(C4(CC(=O)C3(C2C=C(C1=O)O)C)C)C(C)(C(=O)C=CC(C)(C)O)O)O)C)C
Isomeric SMILES C[C@@]12C[C@H]([C@@H]([C@]1(CC(=O)[C@@]3([C@H]2CC=C4[C@H]3C=C(C(=O)C4(C)C)O)C)C)[C@](C)(C(=O)/C=C/C(C)(C)O)O)O
Molecular Weight 514.66
Reaxy-Rn 2343110
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2343110&ln=

Certificates(CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

4 results found

Lot Number Certificate Type Date Item
C2421226 Certificate of Analysis Jun 17, 2025 C275563
C2421201 Certificate of Analysis Jun 17, 2025 C275563
C2421207 Certificate of Analysis Jan 13, 2025 C275563
C2421225 Certificate of Analysis Jan 13, 2025 C275563

Chemical and Physical Properties

Solubility Soluble in DMSO to 10 mM and ethanol to 10 mM
Molecular Weight 514.600 g/mol
XLogP3 2.700
Hydrogen Bond Donor Count 4
Hydrogen Bond Acceptor Count 7
Rotatable Bond Count 4
Exact Mass 514.293 Da
Monoisotopic Mass 514.293 Da
Topological Polar Surface Area 132.000 Ų
Heavy Atom Count 37
Formal Charge 0
Complexity 1160.000
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

Solution Calculators

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