Obtusifolin

Modify Date: 2026-07-03 14:15:17

Obtusifolin Structure
Obtusifolin structure
Common Name Obtusifolin
CAS Number 477-85-0 Molecular Weight 284.263
Density 1.448±0.06 g/cm3 Boiling Point 528.0±50.0 °C at 760 mmHg
Molecular Formula C16H12O5 Melting Point 242-243ºC
MSDS N/A Flash Point 202.2±23.6 °C

 Use of Obtusifolin


Obtusifolin, isolated from the seeds of Cassia obtusifolia, regulates the gene expression and production of MUC5AC mucin in airway epithelial cells via inhibiting NF-kB pathway[1]. Obtusifolin suppresses phthalate esters-induced breast cancer bone metastasis by targeting parathyroid hormone-related protein[2].

Summary: Obtusifolin, also known as obtusifolin, is a chemical named 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione with CAS number 477-85-0, having a molecular formula of C16H12O5 and a molecular weight of 284.263. It appears as a powder, with a melting point of 242-243℃. For research-use only, not for medical or clinical usage.


 Names

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

Name 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione
Synonym More Synonyms

 Obtusifolin Biological Activity

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

Description Obtusifolin, isolated from the seeds of Cassia obtusifolia, regulates the gene expression and production of MUC5AC mucin in airway epithelial cells via inhibiting NF-kB pathway[1]. Obtusifolin suppresses phthalate esters-induced breast cancer bone metastasis by targeting parathyroid hormone-related protein[2].
Related Catalog
Target

NF-κB

In Vitro Obtusifolin (1, 10, 100 μM) inhibits MUC5AC gene expression induced by EGF, PMA, or TNF-α in NCI-H292 cells[1].
References

[1]. Choi BS, et al. Obtusifolin isolated from the seeds of Cassia obtusifolia regulates the gene expression and production of MUC5AC mucin in airway epithelial cells via affecting NF-κB pathway. Phytother Res. 2019 Apr;33(4):919-928.

[2]. Hsu YL, et al. Obtusifolin suppresses phthalate esters-induced breast cancer bone metastasis by targeting parathyroid hormone-related protein. J Agric Food Chem. 2014 Dec 10;62(49):11933-40.

 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 1.448±0.06 g/cm3
Boiling Point 528.0±50.0 °C at 760 mmHg
Melting Point 242-243ºC
Molecular Formula C16H12O5
Molecular Weight 284.263
Flash Point 202.2±23.6 °C
Exact Mass 284.068481
PSA 83.83000
LogP 4.18
Vapour Pressure 0.0±1.4 mmHg at 25°C
Index of Refraction 1.678
InChIKey NYRXUBDGDSRBGB-UHFFFAOYSA-N
SMILES COc1c(O)c(C)cc2c1C(=O)c1c(O)cccc1C2=O
Storage condition -20℃
Water Solubility Insuluble (2.6E-3 g/L) (25 ºC)

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~0%

Obtusifolin Structure

Obtusifolin

CAS#:477-85-0

Learn More
Literature: Cameron, Donald W.; Feutrill, Geoffrey I.; Gamble, Glenn B.; Stavrakis, John Tetrahedron Letters, 1986 , vol. 27, # 41 p. 4999 - 5002

~%

Obtusifolin Structure

Obtusifolin

CAS#:477-85-0

Learn More
Literature: Cameron, Donald W.; Feutrill, Geoffrey I.; Gamble, Glenn B.; Stavrakis, John Tetrahedron Letters, 1986 , vol. 27, # 41 p. 4999 - 5002

~98%

Obtusifolin Structure

Obtusifolin

CAS#:477-85-0

Learn More
Literature: Camerom, Donald W.; Feutrill, Geoffrey I.; Keep, Philip L. C. Tetrahedron Letters, 1989 , vol. 30, # 38 p. 5173 - 5176

~60%

Obtusifolin Structure

Obtusifolin

CAS#:477-85-0

Learn More
Literature: Cameron, Donald W.; Feutrill, Geoffrey I.; Gamble, Glenn B.; Stavrakis, John Tetrahedron Letters, 1986 , vol. 27, # 41 p. 4999 - 5002

~%

Obtusifolin Structure

Obtusifolin

CAS#:477-85-0

Learn More
Literature: Cameron, Donald W.; Feutrill, Geoffrey I.; Gamble, Glenn B.; Stavrakis, John Tetrahedron Letters, 1986 , vol. 27, # 41 p. 4999 - 5002

~%

Obtusifolin Structure

Obtusifolin

CAS#:477-85-0

Learn More
Literature: Camerom, Donald W.; Feutrill, Geoffrey I.; Keep, Philip L. C. Tetrahedron Letters, 1989 , vol. 30, # 38 p. 5173 - 5176

~%

Obtusifolin Structure

Obtusifolin

CAS#:477-85-0

Learn More
Literature: Camerom, Donald W.; Feutrill, Geoffrey I.; Keep, Philip L. C. Tetrahedron Letters, 1989 , vol. 30, # 38 p. 5173 - 5176

~%

Obtusifolin Structure

Obtusifolin

CAS#:477-85-0

Learn More
Literature: Camerom, Donald W.; Feutrill, Geoffrey I.; Keep, Philip L. C. Tetrahedron Letters, 1989 , vol. 30, # 38 p. 5173 - 5176

~%

Obtusifolin Structure

Obtusifolin

CAS#:477-85-0

Learn More
Literature: Krohn, Carsten; Khanbabaee, Karamali Liebigs Annalen der Chemie, 1993 , # 8 p. 905 - 910

 ObtusifolinBioassay

View more

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

Name: Antiplatelet activity in rat platelet rich plasma assessed as drug level causing inhi...
Source: ChEMBL
Target: NON-PROTEIN TARGET
External Id: CHEMBL962586
Name: Inhibition of 12-O-tetradecanoylphorbol-13-acetate induced EBV-early antigen activati...
Source: ChEMBL
Target: N/A
External Id: CHEMBL951538
Name: Inhibition of 12-O-tetradecanoylphorbol-13-acetate induced EBV-early antigen activati...
Source: ChEMBL
Target: N/A
External Id: CHEMBL951537
Name: Inhibition of sEH (unknown origin) assessed as 6-methoxy-2-naphthaldehyde formation a...
Source: ChEMBL
Target: Bifunctional epoxide hydrolase 2
External Id: CHEMBL3635708
Name: Inhibition of baker's yeast alpha-glucosidase using PNPG as substrate preincubated fo...
Source: ChEMBL
Target: N/A
External Id: CHEMBL4392779
Name: Antiplatelet activity in rat platelet rich plasma assessed as drug level causing inhi...
Source: ChEMBL
Target: NON-PROTEIN TARGET
External Id: CHEMBL962585
Name: Antioxidant activity assessed as DPPH radical scavenging activity incubated for 30 mi...
Source: ChEMBL
Target: N/A
External Id: CHEMBL4392780
Name: Antiplatelet activity in rat platelet rich plasma assessed as drug level causing inhi...
Source: ChEMBL
Target: NON-PROTEIN TARGET
External Id: CHEMBL962584
Name: Inhibition of 12-O-tetradecanoylphorbol-13-acetate induced EBV-early antigen activati...
Source: ChEMBL
Target: N/A
External Id: CHEMBL951540
Name: Inhibition of 12-O-tetradecanoylphorbol-13-acetate induced EBV-early antigen activati...
Source: ChEMBL
Target: N/A
External Id: CHEMBL951539
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1
2

 Synonyms

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

Anthraquinone,2,8-dihydroxy-1-methoxy-3-methyl
2,8-dihydroxy-1-methoxy-3-methyl-anthraquinone
2,8-Dihydroxy-1-methoxy-3-methyl-anthrachinon
obtusifoline
Obtusifolin (anthraquinone)
1,7-Dihydroxy-8-methoxy-6-methyl-9,10-anthraquinone
2,8-Dihydroxy-1-methoxy-3-methyl-9,10-anthraquinone
Obtusifolin
2,8-dihydroxy-1-methoxy-3-methylanhraquinone
2,8-Dihydroxy-1-methoxy-3-methyl-9,10-anthracenedione

 Obtusifolin | FAQ

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

Q: What are the downstream products of 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione?
A: Related downstream products(CAS) of 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione: 82868-99-3;58322-78-4.
Q: What English synonyms does 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione have?
A: English synonyms of 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione: Anthraquinone,2,8-dihydroxy-1-methoxy-3-methyl, 2,8-dihydroxy-1-methoxy-3-methyl-anthraquinone, 2,8-Dihydroxy-1-methoxy-3-methyl-anthrachinon, obtusifoline, Obtusifolin (anthraquinone), 1,7-Dihydroxy-8-methoxy-6-methyl-9,10-anthraquinone, 2,8-Dihydroxy-1-methoxy-3-methyl-9,10-anthraquinone, Obtusifolin, 2,8-dihydroxy-1-methoxy-3-methylanhraquinone, 2,8-Dihydroxy-1-methoxy-3-methyl-9,10-anthracenedione.
Q: What is the melting point of 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione?
A: Melting point of 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione is 242-243ºC.
Q: What is the LogP of 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione?
A: LogP of 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione is 4.18.
Q: What is the molecular formula of 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione?
A: Molecular formula of 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione is C16H12O5.
Q: What is the molecular weight of 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione?
A: Molecular weight of 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione is 284.263.
Q: What is the English name of 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione?
A: The English name of 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione is 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione.
Q: What is the polar surface area (PSA) of 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione?
A: Polar surface area (PSA) of 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione is 83.83000.
Q: What are the storage conditions for 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione?
A: Storage conditions for 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione: -20℃.
Q: What are the uses of 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione?
A: Main uses of 2,8-dihydroxy-1-methoxy-3-methylanthracene-9,10-dione: Obtusifolin, isolated from the seeds of Cassia obtusifolia, regulates the gene expression and production of MUC5AC mucin in airway epithelial cells via inhibiting NF-kB pathway[1]. Obtusifolin suppresses phthalate esters-induced breast cancer bone metastasis by targeting parathyroid hormone-related protein[2].

 Obtusifolinfactory

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

Shanghai Nianxing Industrial Co., Ltd
BioBioPha
Dayang Chem (Hangzhou) Co., Ltd.
naturewill
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