Description

Taxinine B CAS NO 18457-44-8 is a specialized taxane diterpenoid compound, a key intermediate and reference standard in advanced botanical and pharmaceutical research. Its value lies in its role as a critical analytical marker for the study of taxane biosynthesis, quality control of yew extracts, and the development of novel bioactive compounds. This high-purity chemical is essential for researchers and manufacturers in the pharmaceutical, nutraceutical, and botanical reference standard industries who require reliable, well-characterized materials for method development and product validation.

Application

• Pharmaceutical Research & Development: Serves as a crucial reference standard and intermediate in the study of taxane chemistry, metabolism, and structure-activity relationships.
• Botanical Extract Quality Control: Used as an analytical standard for the identification, quantification, and purity assessment of taxane derivatives in yew (Taxus) plant extracts.
• Biosynthesis Pathway Studies: A vital tool for researchers investigating the biosynthetic pathways of complex diterpenoids in plants.
• Academic & Analytical Chemistry: Employed in university and contract research laboratories for method development, calibration, and verification in chromatographic analyses (HPLC, LC-MS).
• Natural Product Isolation & Characterization: Acts as a benchmark compound for the isolation and structural elucidation of related taxane analogs from natural sources.

Basic Information

Product Name	Taxinine B
CAS No.	18457-44-8
Molecular Formula	C33H40O9
Molecular Weight	580.67 g/mol
Synonyms	Taxinine B; 5α,9α,10β,13α-Tetraacetoxy-4α,20-epoxy-1β,7β,11β,12β-tetrahydroxy-11,12:15,16-disecotaxa-11-en-15-one; 4,20-Epoxy-1,5,7,9,10,13-hexahydroxy-11(15->1)abeotaxa-11-ene-5,7,9,13-tetraacetate; 1,5,7,9,10,13-Hexahydroxy-4,20-epoxy-11(15->1)abeotaxa-11-ene-5,7,9,13-tetraacetate; (1S,2S,5R,7S,8S,9R,10R,13S)-5,7,9,13-Tetraacetoxy-1,2,8,10-tetrahydroxy-4,20-dioxapentacyclo[10.7.1.0²,⁹.0⁵,¹⁰.0¹³,¹⁷]icosa-11,15-dien-14-one
EINECS	Contact for details

Quality Control

Our Taxinine B is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity for research applications. Each lot undergoes comprehensive analytical characterization using techniques such as HPLC, NMR, and MS to confirm identity and purity. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting the specific results for your quality assurance records.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry environment. For long-term storage, consider storing desiccated at -20°C.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.