5,6-Dimethoxyisobenzofuran-1,3-dione - ≥98% , CAS No.4821-94-7

CAS: 4821-94-7 Cat. No.: D589234 Molecular Weight: 208.17 EC Number: 867-891-3
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
EN300-299726 | SCHEMBL2928543 | 4,5-dimethoxyphthalic anhydride | 4,5-dimethoxy-phthalic anhydride | 5,6-dimethoxyisobenzofuran-1,3-dione | MFCD27924322 | 4,5-dimethoxyphthalic acid anhydride | 5,6-Dimethoxy-2-benzofuran-1,3-dione | AMY9072 | m-Hemipic an
Storage
Store at 2-8°C,Protected from light,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100mg
D589234-100mg
2

$24.90

$37.90
Save $13.00 (34.30%)
250mg
D589234-250mg
2

$33.90

$50.90
Save $17.00 (33.40%)
1g
D589234-1g
1

$119.90

$179.90
Save $60.00 (33.35%)
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Why this grade

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

🌡

Storage & shipping

Store at 2-8°C,Protected from light,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

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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
EN300-299726 | SCHEMBL2928543 | 4, 5-dimethoxyphthalic anhydride | 4, 5-dimethoxy-phthalic anhydride | 5, 6-dimethoxyisobenzofuran-1, 3-dione | MFCD27924322 | 4, 5-dimethoxyphthalic acid anhydride | 5, 6-Dimethoxy-2-benzofuran-1, 3-dione | AMY9072 | m-Hemipic an
Specifications & Purity
≥98%
Storage
Store at 2-8°C, Protected from light, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid504759529
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504759529
Canonical SmilesCOC1=C(C=C2C(=C1)C(=O)OC2=O)OC
IUPAC Name5,6-dimethoxy-2-benzofuran-1,3-dione
InChIKeyIMSDRBDUANUSRL-UHFFFAOYSA-N
INCHI1S/C10H8O5/c1-13-7-3-5-6(4-8(7)14-2)10(12)15-9(5)11/h3-4H,1-2H3
Isomeric SMILES COC1=C(C=C2C(=C1)C(=O)OC2=O)OC
Molecular Weight 208.17
Reaxy-Rn 170326
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=170326&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.

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📊 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

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassBenzofurans
SubclassBenzofuranones
Intermediate Tree Nodes Not available
Direct ParentPhthalic anhydrides
Alternative Parents Isobenzofuranones  Anisoles  Alkyl aryl ethers  Dicarboxylic acids and derivatives  Carboxylic acid anhydrides  Oxacyclic compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Phthalic anhydride - Phthalic_anhydride - Isobenzofuranone - Isocoumaran - Anisole - Alkyl aryl ether - Dicarboxylic acid or derivatives - Benzenoid - Carboxylic acid anhydride - Carboxylic acid derivative - Oxacycle - Ether - Organic oxygen compound - Hydrocarbon derivative - Organic oxide - Organooxygen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as phthalic anhydrides. These are compounds containing a phthalic anhydride moiety (or a derivative thereof), which consists of a benzene fused to a furan-1,3-dione.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

6 results found

Lot NumberCertificate TypeDateItem
J2327762Certificate of AnalysisSep 25, 2023 D589234
J2327766Certificate of AnalysisSep 25, 2023 D589234
J2327767Certificate of AnalysisSep 25, 2023 D589234
J2327768Certificate of AnalysisSep 25, 2023 D589234
J2327769Certificate of AnalysisSep 25, 2023 D589234
J2327772Certificate of AnalysisSep 25, 2023 D589234
Chemical and Physical Properties
SensitivityLight sensitive
Molecular Weight208.170 g/mol
XLogP31.200
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count5
Rotatable Bond Count2
Exact Mass208.037 Da
Monoisotopic Mass208.037 Da
Topological Polar Surface Area61.800 Ų
Heavy Atom Count15
Formal Charge0
Complexity260.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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