Description

2-Butenal, 2-methyl-4-[3a,4,5,7-tetrahydro-8-hydroxy-3,3,11,11-tetramethyl-13-(3-methyl-2-butenyl)-7,15-dioxo-1,5-methano-1H,3H,11H-furo[3,4-g]pyrano[3,2-b]xanthen-1-yl]-, [1R-[1alpha,1(Z),3abeta,5alpha,14aS*]]- is a complex, high-purity organic compound with a defined stereochemistry, valued for its role as a key synthetic intermediate and reference standard. Its precise molecular architecture makes it essential for research and development in advanced organic synthesis and analytical chemistry. This compound is primarily sought by fine chemical manufacturers and research institutions working in pharmaceuticals, agrochemicals, and specialty materials.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Reference Standard: Used as a high-purity analytical standard for method development, validation, and quality control in HPLC, LC-MS, and NMR analysis.
• Agrochemical Research: Acts as a precursor in the development of novel crop protection agents and bioactive molecules.
• Organic Synthesis: Employed in advanced synthetic routes for constructing complex polycyclic and heterocyclic frameworks in academic and industrial R&D.
• Specialty Chemicals: Utilized in the development of performance materials, dyes, and pigments requiring specific molecular configurations.

Basic Information

Product Name	2-Butenal, 2-methyl-4-[3a,4,5,7-tetrahydro-8-hydroxy-3,3,11,11-tetramethyl-13-(3-methyl-2-butenyl)-7,15-dioxo-1,5-methano-1H,3H,11H-furo[3,4-g]pyrano[3,2-b]xanthen-1-yl]-, [1R-[1alpha,1(Z),3abeta,5alpha,14aS*]]-
CAS No.	1183-12-6
Molecular Formula	C34H38O7
Molecular Weight	558.67 g/mol
Synonyms	Crocin I; Crocetin di-(β-D-gentiobiosyl) ester; α-Crocin; Crocetin digentiobiose ester; Saffron Yellow; Natural Yellow 6; (1Z)-1-[(2E)-2-Methyl-2-butenoyl]-2-[(3aS,5S,14aS)-8-hydroxy-3,3,11,11-tetramethyl-13-(3-methylbut-2-en-1-yl)-7,15-dioxo-3a,4,5,7-tetrahydro-1H,3H,11H-furo[3,4-g]pyrano[3,2-b]xanthen-1-yl]ethene
EINECS	Contact for details

Quality Control

Our 2-Butenal, 2-methyl-4-[3a,4,5,7-tetrahydro-8-hydroxy-3,3,11,11-tetramethyl-13-(3-methyl-2-butenyl)-7,15-dioxo-1,5-methano-1H,3H,11H-furo[3,4-g]pyrano[3,2-b]xanthen-1-yl]-, [1R-[1alpha,1(Z),3abeta,5alpha,14aS*]]- is produced under strict quality management systems. Each batch undergoes comprehensive analytical characterization, including HPLC for purity, NMR and MS for structural confirmation, and chiral analysis to verify stereochemical integrity. Certificates of Analysis (COA) detailing all specifications are provided to ensure traceability and batch-to-batch consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). For long-term storage, consider inert atmosphere conditions to maximize stability.

Specification

Item	Specification
Appearance	Reddish-orange to dark red powder or crystals
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 2.0 %
Residue on Ignition	≤ 0.5 %
Heavy Metals (as Pb)	≤ 20 ppm
Specific Rotation	Contact for details

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