Picras-3-en-21-oicacid, 15-(acetyloxy)-13,20-epoxy-1,11,12-trihydroxy-2,16-dioxo-, methyl ester,(1b,11b,12a,15b)

Modify Date: 2026-07-11 19:36:45

Picras-3-en-21-oicacid, 15-(acetyloxy)-13,20-epoxy-1,11,12-trihydroxy-2,16-dioxo-, methyl ester,(1b,11b,12a,15b) Structure
Picras-3-en-21-oicacid, 15-(acetyloxy)-13,20-epoxy-1,11,12-trihydroxy-2,16-dioxo-, methyl ester,(1b,11b,12a,15b) structure
Common Name Picras-3-en-21-oicacid, 15-(acetyloxy)-13,20-epoxy-1,11,12-trihydroxy-2,16-dioxo-, methyl ester,(1b,11b,12a,15b)
CAS Number 53663-03-9 Molecular Weight 480.46200
Density 1.52g/cm3 Boiling Point 696.1ºC at 760mmHg
Molecular Formula C23H28O11 Melting Point N/A
MSDS N/A Flash Point 239.3ºC

Summary: isobruceine b (异布鲁西因b), also known as Picras-3-en-21-oicacid, 15-(acetyloxy)-13,20-epoxy-1,11,12-trihydroxy-2,16-dioxo-, methyl ester, (1b,11b,12a,15b), has a CAS number of 53663-03-9. Its molecular formula is C23H28O11 and the molecular weight is 480.46200. 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 isobruceine b
Synonym More Synonyms

 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 1.52g/cm3
Boiling Point 696.1ºC at 760mmHg
Molecular Formula C23H28O11
Molecular Weight 480.46200
Flash Point 239.3ºC
Exact Mass 480.16300
PSA 165.89000
Index of Refraction 1.614
InChIKey WAYNIXHIORQRDI-RWLFMTGCSA-N
SMILES COC(=O)C12OCC34C(CC5C(C)=CC(=O)C(O)C5(C)C3C(O)C1O)OC(=O)C(OC(C)=O)C24

 Synthetic Route

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

~%

Picras-3-en-21-oicacid, 15-(acetyloxy)-13,20-epoxy-1,11,12-trihydroxy-2,16-dioxo-, methyl ester,(1b,11b,12a,15b) Structure

Picras-3-en-21-...

CAS#:53663-03-9

Learn More
Literature: Sakaki; Yoshimura; Ishibashi; et al. Chemical and Pharmaceutical Bulletin, 1984 , vol. 32, # 11 p. 4702 - 4705

~%

Picras-3-en-21-oicacid, 15-(acetyloxy)-13,20-epoxy-1,11,12-trihydroxy-2,16-dioxo-, methyl ester,(1b,11b,12a,15b) Structure

Picras-3-en-21-...

CAS#:53663-03-9

Learn More
Literature: Sakaki; Yoshimura; Ishibashi; et al. Bulletin of the Chemical Society of Japan, 1985 , vol. 58, # 9 p. 2680 - 2686

 Precursor & DownStream

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

Precursor  0

DownStream  1

 Bioassay

View more

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

Name: Antiinflammatory activity against mouse RAW264.7 cells assessed as reduction of LPS-i...
Source: ChEMBL
Target: RAW264.7
External Id: CHEMBL3429954
Name: Growth inhibition of human NCI60 cells
Source: ChEMBL
Target: NON-PROTEIN TARGET
External Id: CHEMBL1063016
Name: Cytotoxicity against mouse RAW264.7 cells assessed as cell viability at 0.001 to 10 u...
Source: ChEMBL
Target: RAW264.7
External Id: CHEMBL3429955
Name: Antiinflammatory activity against mouse RAW264.7 cells assessed as reduction of LPS-i...
Source: ChEMBL
Target: RAW264.7
External Id: CHEMBL3429952
Name: Antiinflammatory activity against mouse RAW264.7 cells assessed as reduction of LPS-i...
Source: ChEMBL
Target: RAW264.7
External Id: CHEMBL3429953
Name: Inhibition of PGN-induced NF-kappaB activation in mouse RAW264.7 cells assessed as re...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3428141
Name: Inhibition of TNF-induced NF-kappaB activation in mouse RAW264.7 cells assessed as re...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3428142
Name: Cytotoxicity against mouse RAW264.7 cells at 0.001 to 10 uM pretreated 30 mins by LDH...
Source: ChEMBL
Target: RAW264.7
External Id: CHEMBL3428139
Name: Inhibition of LPS-induced NF-kappaB activation in mouse RAW264.7 cells assessed as re...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3428140
Name: Inhibition of NF-kappaB-mediated IkappaBalpha degradation in LPS-induced mouse RAW264...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3428145
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 Synonyms

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

isobrucein-B
ISOBRUCEINE-B

  | FAQ

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

Q: What is the English name of isobruceine b?
A: The English name of isobruceine b is isobruceine b.
Q: What is the molecular formula of isobruceine b?
A: Molecular formula of isobruceine b is C23H28O11.
Q: What is the polar surface area (PSA) of isobruceine b?
A: Polar surface area (PSA) of isobruceine b is 165.89000.
Q: What is the molecular weight of isobruceine b?
A: Molecular weight of isobruceine b is 480.46200.
Q: What is the InChIKey of isobruceine b?
A: InChIKey of isobruceine b is WAYNIXHIORQRDI-RWLFMTGCSA-N.
Q: What English synonyms does isobruceine b have?
A: English synonyms of isobruceine b: isobrucein-B, ISOBRUCEINE-B.
Q: What is the CAS number of isobruceine b?
A: CAS number of isobruceine b is 53663-03-9.
Q: What is the boiling point of isobruceine b?
A: Boiling point of isobruceine b is 696.1ºC at 760mmHg.
Q: What is the Chinese name of 53663-03-9?
A: Chinese name of 53663-03-9 is 53663-03-9.
Q: What is the SMILES notation of isobruceine b?
A: SMILES notation of isobruceine b is COC(=O)C12OCC34C(CC5C(C)=CC(=O)C(O)C5(C)C3C(O)C1O)OC(=O)C(OC(C)=O)C24.

 factory

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

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