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C4493

Sigma-Aldrich

Cucurbitacin I hydrate

≥95% (HPLC), solid

Synonyma:

2,16α,20,25-Tetrahydroxy-9-methyl-19-Nor-9β,10α-lanosta-1,5,23-triene-3,11,22-trione, Elatericin B, JSI-124, NSC 521777

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About This Item

Empirický vzorec (Hillův zápis):
C30H42O7 · xH2O
Číslo CAS:
2222-07-3
Molekulová hmotnost:
514.65 (anhydrous basis)
EC Number:
218-736-8
UNSPSC Code:
12352200
PubChem Substance ID:
329775065
NACRES:
NA.77

assay

≥95% (HPLC)

form

solid

color

white to off-white

solubility

DMSO: >5 mg/mL

storage temp.

−20°C

SMILES string

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

InChI

1S/C30H42O7.H2O/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;1H2/b12-11+;/t17-,19-,20+,23+,27+,28-,29+,30+;/m1./s1

InChI key

ZKDSPEWKSJCXQE-NEBRQAMTSA-N

Biochem/physiol Actions

Cucurbitacin I (JSI-124) is a novel selective inhibitor of the janus kinase 2/signal transducer and activator of transcription 3 (JAK2/STAT3) signaling pathway with anti-proliferative and anti-tumor properties.

Features and Benefits

This compound is a featured product for Kinase Phosphatase Biology research. Click here to discover more featured Kinase Phosphatase Biology products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.
This compound is featured on the JAKs page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

pictograms

Skull and crossbones
GHS06

signalword

Danger

hcodes

H300

Hazard Classifications

Acute Tox. 1 Oral

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Osvědčení o analýze (COA)

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Ommoleila Molavi et al.
Molecular pharmaceutics, 7(2), 364-374 (2009-12-25)
Constitutively activated signal transducer and activator of transcription-3 (STAT3) in tumor and dendritic cells (DCs) plays a critical role in tumor-induced immunosuppression. This is considered a major challenge in effective immunotherapy of cancer. Herein we describe the development of a
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The Journal of biological chemistry, 287(20), 16835-16848 (2012-03-02)
In several neuronal cell types, the small GTPase Rac is essential for survival. We have shown previously that the Rho family GTPase inhibitor Clostridium difficile toxin B (ToxB) induces apoptosis in primary rat cerebellar granule neurons (CGNs) principally via inhibition
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Molecular therapy : the journal of the American Society of Gene Therapy, 28(10), 2252-2270 (2020-07-03)
Adoptive T cell therapy (ACT) in combination with lymphodepleting chemotherapy is an effective strategy to induce the eradication of tumors, providing long-term regression in cancer patients. Despite that lymphodepleting regimens condition the host for optimal engraftment and expansion of adoptively transferred
Han-Shui Hsu et al.
Cancer, 117(13), 2970-2985 (2011-01-13)
Signal transducer and activator of transcription 3 (STAT3) signaling reportedly promotes tumor malignancy and recurrence in nonsmall cell lung cancer (NSCLC). It was demonstrated previously that the STAT3 pathway maintains the tumorigenicity and therapeutic resistance of malignant tumors as well
Vivian W Y Lui et al.
Carcinogenesis, 30(12), 2085-2094 (2009-10-22)
Nasopharyngeal carcinoma (NPC) is an Asian-prevalent head and neck cancer with high invasiveness. Although several important risk factors for NPC development have been identified, there is currently no preventive strategy for NPC, even in endemic regions. Signal transducer and activator
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