10-Deacetylbaccatin III

Also known as: 10-DAB, 10-DAB-III, 10-Deacetylbaccatin, Deacetylbaccatin III, Docetaxel impurity E, 10-deacetylbaccatin III, DESACETYLBACCATINE, 7,11-Methano-5H-cyclodeca[3,4]benz[1,2-b]oxet-5-one, 12b-(acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-4,6,9,11-tetrahydroxy-4a,8,13,13-tetramethyl-, (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-, 10-Deacetylbaccatin III from Taxus baccata

10-Deacetylbaccatin III (CAS 32981-86-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C29H36O10 and a molecular weight of 544.590 g/mol. Key properties include a melting point of 231-236 °C, a boiling point of 716.8±60.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 233.5±26.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 32981-86-5
Jingsj CID: J-4202-4
Molecular Formula: C₂₉H₃₆O₁₀
Molecular Weight: 544.590 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	231-236 °C
Boiling Point	716.8±60.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	233.5±26.4 °C
Exact Mass	544.230835
PSA	159.82000
LogP	3.51
Vapor Pressure	0.0±2.4 mmHg at 25°C
Refractive Index	1.624
Additional Property	INSOLUBLE

Activity & Biological Data

Additional Information	[1]. Li S, Zhang P, Zhang M, Fu C, Yu L. Functional analysis of a WRKY transcription factor involved in transcriptional activation of the DBAT gene in Taxus chinensis. Plant Biol (Stuttg). 2013 Jan;15(1):19-26. [2]. Naill MC, Kolewe ME, Roberts SC. Paclitaxel uptake and transport in Taxus cell suspension cultures. Biochem Eng J. 2012 Apr 15;63:50-56. [3]. Qayum M, Nisar M, Shah MR, et al. Analgesic and antiinflammatory activities of taxoids from Taxus wallichiana Zucc. Phytother Res. 2012 Apr;26(4):552-6. [4]. Kevin Walker and Rodney Croteau. Taxol biosynthesis: Molecular cloning of a benzoyl- CoA:taxane 2α-O-benzoyltransferase cDNA from Taxus and functional expression in Escherichia coli. PNAS, 2000 , 97（25）：13591-13596.

Additional Information

[1]. Li S, Zhang P, Zhang M, Fu C, Yu L. Functional analysis of a WRKY transcription factor involved in transcriptional activation of the DBAT gene in Taxus chinensis. Plant Biol (Stuttg). 2013 Jan;15(1):19-26. [2]. Naill MC, Kolewe ME, Roberts SC. Paclitaxel uptake and transport in Taxus cell suspension cultures. Biochem Eng J. 2012 Apr 15;63:50-56. [3]. Qayum M, Nisar M, Shah MR, et al. Analgesic and antiinflammatory activities of taxoids from Taxus wallichiana Zucc. Phytother Res. 2012 Apr;26(4):552-6. [4]. Kevin Walker and Rodney Croteau. Taxol biosynthesis: Molecular cloning of a benzoyl- CoA:taxane 2α-O-benzoyltransferase cDNA from Taxus and functional expression in Escherichia coli. PNAS, 2000 , 97（25）：13591-13596.

Frequently Asked Questions

What is the CAS number of 10-Deacetylbaccatin III?

The CAS number of 10-Deacetylbaccatin III is 32981-86-5.

What are the molecular formula and molecular weight of 10-Deacetylbaccatin III?

10-Deacetylbaccatin III has molecular formula C29H36O10 and molecular weight 544.590 g/mol.

What are the upstream and downstream products of 10-Deacetylbaccatin III?

For 10-Deacetylbaccatin III, Upstream Products: 7-Acetylbaccatin III, Baccatin III, Paclitaxel; Downstream Products: 7,10-Dimethoxy-10-DAB III, Paclitaxel, Baccatin III.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "10-Deacetylbaccatin III (CAS 32981-86-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4202-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.