Carnosol

Modify Date: 2026-07-01 17:10:31

Carnosol Structure
Carnosol structure
Common Name Carnosol
CAS Number 5957-80-2 Molecular Weight 330.418
Density 1.3±0.1 g/cm3 Boiling Point 524.8±50.0 °C at 760 mmHg
Molecular Formula C20H26O4 Melting Point N/A
MSDS Chinese USA Flash Point 187.0±23.6 °C

 Use of Carnosol


Carnosol is a potent Ribosomal S6 Kinase (RSK2) inhibitor that could be useful for treating gastric cancer, with an IC50 of ~5.5 μM.

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name carnosol
Synonym More Synonyms

 Carnosol Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description Carnosol is a potent Ribosomal S6 Kinase (RSK2) inhibitor that could be useful for treating gastric cancer, with an IC50 of ~5.5 μM.
Related Catalog
Target

IC50: 5.5 μM (RSK2)[1].

In Vitro It is showed that carnosol has no cytotoxic effects on GES1 cells and 10 μM carnosol strongly suppresses RSK2 activity, but has little effect on any other kinase. Carnosol exerts strong dose-dependent inhibitory effects against RSK2 autophosphorylation and phosphorylation of its substrate ATF1[1].
In Vivo Results indicate that Carnosol significantly decreaseS the volume and weight of gastric tumors relative to the vehicle-treated group. Additionally, mice tolerate treatment with carnosol without significant loss of body weight similar to the vehicle-treated group. The phosphorylation of CREB, a direct downstream protein of RSK2, Is strongly inhibited in the carnosol-treated group but the expression of total CREB is relatively unchanged[1].
Animal Admin Mice[1] Mice are orally administrated Carnosol at 100 mg/kg or vehicle 5 times a week over a period of 31 days[1].
References

[1]. Wang L, et al. Carnosol suppresses patient-derived gastric tumor growth by targeting RSK2. Oncotarget. 2018 Feb 6;9(76):34200-34212.

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.3±0.1 g/cm3
Boiling Point 524.8±50.0 °C at 760 mmHg
Molecular Formula C20H26O4
Molecular Weight 330.418
Flash Point 187.0±23.6 °C
Exact Mass 330.183105
PSA 66.76000
LogP 3.71
Vapour Pressure 0.0±1.4 mmHg at 25°C
Index of Refraction 1.607
InChIKey XUSYGBPHQBWGAD-PJSUUKDQSA-N
SMILES CC(C)c1cc2c(c(O)c1O)C13CCCC(C)(C)C1CC2OC3=O
Storage condition −20°C

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes F+
Safety Phrases 24/25
RIDADR NONH for all modes of transport

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  1

DownStream  1

 Articles28

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Calcium and α-tocopherol suppress cured-meat promotion of chemically induced colon carcinogenesis in rats and reduce associated biomarkers in human volunteers.

Am. J. Clin. Nutr. 98(5) , 1255-62, (2013)

Processed meat intake has been associated with increased colorectal cancer risk. We have shown that cured meat promotes carcinogen-induced preneoplastic lesions and increases specific biomarkers in th...

Degradation study of carnosic acid, carnosol, rosmarinic acid, and rosemary extract (Rosmarinus officinalis L.) assessed using HPLC.

J. Agric. Food Chem. 60(36) , 9305-14, (2012)

Rosemary, whose major caffeoyl-derived and diterpenoid ingredients are rosmarinic acid, carnosol, and carnosic acid, is an important source of natural antioxidants and is being recognized increasingly...

Relevance of carnosic acid, carnosol, and rosmarinic acid concentrations in the in vitro antioxidant and antimicrobial activities of Rosmarinus officinalis (L.) methanolic extracts.

J. Agric. Food Chem. 60(38) , 9603-8, (2012)

The importance of the diterpenic and rosmarinic acid content in the biological activities of rosemary extracts has been studied previously, but how the relationship between the concentration of these ...

 CarnosolBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: USP8 deubiquitinase inhibition: Primary qHTS
Source: 24642
Target: ubiquitin specific peptidase 8
External Id: USP8 FAST DUB HTS Primary
Name: Antibiofilm activity against Pseudomonas aeruginosa ATCC 50071 assessed as inhibition...
Source: ChEMBL
Target: Pseudomonas aeruginosa
External Id: CHEMBL4814885
Name: Inhibition of pig pepsin up to 10 ug/ml
Source: ChEMBL
Target: N/A
External Id: CHEMBL963506
Name: Antibiofilm activity against Staphylococcus aureus ATCC 25923 assessed as inhibition ...
Source: ChEMBL
Target: Staphylococcus aureus
External Id: CHEMBL4814886
Name: Inhibition of pancreatic lipase
Source: ChEMBL
Target: Pancreatic triacylglycerol lipase
External Id: CHEMBL925170
Name: USP17 deubiquitinase inhibition: Primary qHTS
Source: 24642
Target: ubiquitin specific peptidase 17 like family member 5
External Id: USP17 FAST DUB HTS Primary
Name: USP7 deubiquitinase inhibition: Primary qHTS
Source: 24642
Target: ubiquitin specific peptidase 7
External Id: USP7 FAST DUB HTS Primary
Name: Antibiofilm activity against Listeria monocytogenes ATCC 7644 assessed as inhibition ...
Source: ChEMBL
Target: Listeria monocytogenes
External Id: CHEMBL4814884
Name: Inhibition of microsomal PGES1 in ILbeta-stimulated human A549 cells using PGH2 as su...
Source: ChEMBL
Target: Prostaglandin E synthase
External Id: CHEMBL3772154
Name: Inhibition of human N-terminal TEV protease cleavage site-fused-His6-tagged FPPS expr...
Source: ChEMBL
Target: Farnesyl pyrophosphate synthase
External Id: CHEMBL4417107
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

(7β)-11,12-Dihydroxy-7,20-epoxyabieta-8,11,13-trien-20-one
(7β)-11,12-Dihydroxy-7,20-epoxyabieta-8(14),9(11),12-trien-20-one
Carnosol

 Carnosol | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What English synonyms does carnosol have?
A: English synonyms of carnosol: (7β)-11,12-Dihydroxy-7,20-epoxyabieta-8,11,13-trien-20-one, (7β)-11,12-Dihydroxy-7,20-epoxyabieta-8(14),9(11),12-trien-20-one, Carnosol.
Q: What is the safety information for carnosol?
A: Safety information for carnosol: 24/25.
Q: What is the boiling point of carnosol?
A: Boiling point of carnosol is 524.8±50.0 °C at 760 mmHg.
Q: What is the CAS number of carnosol?
A: CAS number of carnosol is 5957-80-2.
Q: What are the downstream products of carnosol?
A: Related downstream products(CAS) of carnosol: 80225-53-2.
Q: What is the molecular weight of carnosol?
A: Molecular weight of carnosol is 330.418.
Q: What is the molecular formula of carnosol?
A: Molecular formula of carnosol is C20H26O4.
Q: What is the polar surface area (PSA) of carnosol?
A: Polar surface area (PSA) of carnosol is 66.76000.
Q: What are the storage conditions for carnosol?
A: Storage conditions for carnosol: −20°C.
Q: What are the upstream materials of carnosol?
A: Related upstream materials(CAS) of carnosol: 3650-09-7.

 Carnosolfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
BioBioPha
naturewill
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