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6,6'-Dihydroxy-4,4,4',4',7,7'-hexamethyl-2,2'-spirobichroman - ≥98%(HPLC) , CAS No.40278-59-9

6,6'-Dihydroxy-4,4,4',4',7,7'-hexamethyl-2,2'-spirobichroman - ≥98%(HPLC) , CAS No.40278-59-9

Name: 6,6'-Dihydroxy-4,4,4',4',7,7'-hexamethyl-2,2'-spirobichroman - ≥98%(HPLC) , CAS No.40278-59-9
Brand: Aladdin Scientific
SKU: D155323
Availability: InStock

CAS: 40278-59-9 Cat. No.: D155323 Molecular Weight: 368.47 EC Number: 400-270-3

COA

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6,6'-Dihydroxy-4,4,4',4',7,7'-hexamethyl-2,2'-spirobichroman - ≥98%(HPLC) CAS No(40278-59-9) by Aladdin Scientific

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AVAILABLE TO ORDER

GRADE & PURITY ≥98%(HPLC)

Synonyms

Storage

Room temperature,Cool

Shipped In

Normal

Specifications Names and Identifiers Documentation Advanced Data Taxonomic Classification 3D Structure Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Solution Calculators Reviews

🧪

Why this grade

≥98%(HPLC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Cool Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms

Specifications & Purity

≥98%(HPLC)

Storage

Room temperature, Cool

Shipped In

Normal

Purity

≥98%(HPLC)

Names and Identifiers

Canonical Smiles	CC1=CC2=C(C=C1O)C(CC3(O2)CC(C4=C(O3)C=C(C(=C4)O)C)(C)C)(C)C
IUPAC Name	4,4,4',4',7,7'-hexamethyl-2,2'-spirobi[3H-chromene]-6,6'-diol
InChIKey	HPPJCHQXOCLCJJ-UHFFFAOYSA-N
INCHI	1S/C23H28O4/c1-13-7-19-15(9-17(13)24)21(3,4)11-23(26-19)12-22(5,6)16-10-18(25)14(2)8-20(16)27-23/h7-10,24-25H,11-12H2,1-6H3
Isomeric SMILES	CC1=CC2=C(C=C1O)C(CC3(O2)CC(C4=C(O3)C=C(C(=C4)O)C)(C)C)(C)C
Molecular Weight	368.47
Reaxy-Rn	7773561
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=7773561&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Organoheterocyclic compounds
  - Class Benzopyrans
    - Subclass 1-benzopyrans

Kingdom	Organic compounds
Superclass	Organoheterocyclic compounds
Class	Benzopyrans
Subclass	1-benzopyrans
Intermediate Tree Nodes	Not available
Direct Parent	1-benzopyrans
Alternative Parents	Ketals 1-hydroxy-2-unsubstituted benzenoids Oxacyclic compounds Hydrocarbon derivatives
Molecular Framework	Aromatic heteropolycyclic compounds
Substituents	1-benzopyran - 1-hydroxy-2-unsubstituted benzenoid - Ketal - Benzenoid - Oxacycle - Acetal - Organic oxygen compound - Hydrocarbon derivative - Organooxygen compound - Aromatic heteropolycyclic compound
Description	This compound belongs to the class of organic compounds known as 1-benzopyrans. These are organic aromatic compounds that 1-benzopyran, a bicyclic compound made up of a benzene ring fused to a pyran, so that the oxygen atom is at the 1-position.
External Descriptors	Not available
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

3D Structure

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

4 results found

Lot Number	Certificate Type	Date	Item
K2525792	Certificate of Analysis	Nov 15, 2025	D155323
K2525793	Certificate of Analysis	Nov 15, 2025	D155323
H2409140	Certificate of Analysis	Apr 16, 2024	D155323
H2409141	Certificate of Analysis	Apr 16, 2024	D155323

Chemical and Physical Properties

Solubility	Soluble in Alcohol
Melt Point(°C)	210 °C
Molecular Weight	368.500 g/mol
XLogP3	6.100
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	0
Exact Mass	368.199 Da
Monoisotopic Mass	368.199 Da
Topological Polar Surface Area	58.900 Å²
Heavy Atom Count	27
Formal Charge	0
Complexity	521.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	1

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