Obtusin

Modify Date: 2025-08-22 23:48:09

Obtusin Structure
Obtusin structure
Common Name Obtusin
CAS Number 70588-05-5 Molecular Weight 344.315
Density 1.4±0.1 g/cm3 Boiling Point 614.9±55.0 °C at 760 mmHg
Molecular Formula C18H16O7 Melting Point N/A
MSDS N/A Flash Point 227.0±25.0 °C

 Use of Obtusin


Obtusin, isolated from Cassia obtusifolia Linn seed, is a highly selective and competitive human monoamine oxidase-A (hMAO-A) inhibitor with an IC50 of 11.12 μM and a Ki of 6.15. Obtusin plays a preventive role in neurodegenerative diseases, especially anxiety and depression[1].

 Names

Name Obtusin
Synonym More Synonyms

 Obtusin Biological Activity

Description Obtusin, isolated from Cassia obtusifolia Linn seed, is a highly selective and competitive human monoamine oxidase-A (hMAO-A) inhibitor with an IC50 of 11.12 μM and a Ki of 6.15. Obtusin plays a preventive role in neurodegenerative diseases, especially anxiety and depression[1].
Related Catalog
Target

IC50: 11.12 μM (hMAO-A)[1] Ki: 6.15 (hMAO-A)[1]

References

[1]. Paudel P, et al. In Vitro and in Silico Human Monoamine Oxidase Inhibitory Potential of Anthraquinones, Naphthopyrones, and Naphthalenic Lactones from Cassia obtusifolia Linn Seeds. ACS Omega. 2019 Sep 18;4(14):16139-16152.

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 614.9±55.0 °C at 760 mmHg
Molecular Formula C18H16O7
Molecular Weight 344.315
Flash Point 227.0±25.0 °C
Exact Mass 344.089600
PSA 102.29000
LogP 4.10
Vapour Pressure 0.0±1.8 mmHg at 25°C
Index of Refraction 1.634
InChIKey CFLNHFUPWNRWJA-UHFFFAOYSA-N
SMILES COc1cc2c(c(O)c1OC)C(=O)c1c(cc(C)c(O)c1OC)C2=O
Storage condition 2-8℃

 Safety Information

HS Code 2914690090

 Precursor & DownStream

Precursor  2

DownStream  0

 Customs

HS Code 2914690090
Summary 2914690090 other quinones。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

 ObtusinBioassay

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Name: Inhibition of sEH (unknown origin) assessed as 6-methoxy-2-naphthaldehyde formation b...
Source: ChEMBL
Target: Bifunctional epoxide hydrolase 2
External Id: CHEMBL3635709
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: Antioxidant activity assessed as DPPH radical scavenging activity incubated for 30 mi...
Source: ChEMBL
Target: N/A
External Id: CHEMBL4392780
Name: Inhibition of 12-O-tetradecanoylphorbol-13-acetate induced EBV-early antigen activati...
Source: ChEMBL
Target: N/A
External Id: CHEMBL938674
Total 5, Current Page 1 of 1
1

 Synonyms

1,7-dihydroxy-2,3,8-trimethoxy-6-methylanthracene-9,10-dione
1,7-Dihydroxy-2,3,8-trimethoxy-6-methyl-9,10-anthraquinone
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