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Home/Compounds/CAS 3425-89-6
Formula C9H10O3MW 166.17Research-use catalog entryCOA/SDS by request

1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-5-methyl-

CAS Number: 3425-89-6

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Loading RDKit molecule structure...
InChIKey: OEMSKMUAMXLNKL-UHFFFAOYSA-NC9H10O3 | MW 166.17

Chemical Absolute Identifiers

CAS Number

3425-89-6

PubChem CID

98496

Molecular Formula

C9H10O3

Molecular Weight

166.17 g/mol

Exact Mass

166.062994

InChIKey

OEMSKMUAMXLNKL-UHFFFAOYSA-N

IUPAC Name

5-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione

SMILES String

CC1=CCC2C(C1)C(=O)OC2=O

Physical Properties

No physical property values available.

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-5-methyl- (CAS 3425-89-6) is listed in the Advanced Chemicals portfolio, with molecular formula C9H10O3 and molecular weight 166. 17 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research building-block and synthetic chemistry workflows.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Heterocyclic Building BlocksSynthetic ChemistryResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

Safety and handling reference content is available through documentation requests.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

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Names & Synonyms / External Identifiers

Chemical Name

1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-5-methyl-

Names & Synonyms

1,2,3,6-Tetrahydro-4-methylphthalic anhydride4-Methyl-1,2,3,6-tetrahydrophthalic anhydride4-Methyl-.DELTA.4-tetrahydrophthalic anhydride4-Methyl-delta-4-tetrahydrophthalic anhydrideEC 222-323-8
Show all synonyms
4-Cyclohexene-1,2-dicarboxylic anhydride, 4-methyl-4-Methyl-DELTA4-tetrahydrophthalic Anhydride5-methyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione4-Methyl-4-cyclohexene-1,2-dicarboxylic anhydrideIsomethyltetrahydrophthalic anhydride5-methyl-4,7,3a,7a-tetrahydroisobenzofuran-1,3-dione4-Cyclohexene-1, 4-methyl-5-METHYL-3A,4,7,7A-TETRAHYDRO-ISOBENZOFURAN-1,3-DIONE3a,4,7,7a-Tetrahydro-5-methyl-1,3-isobenzofurandione1, 3a,4,7,7a-tetrahydro-5-methyl-4-Methyl-1,3,6-tetrahydrophthalic anhydrideM11924-Methyl-.delta.-4-tetrahydrophthalic anhydride4-methyl-4-cyclohexene-1,2dicarboxylic anhydride
External Identifiers
EC NUMBER: 150-630-6EC NUMBER: 222-323-8DSSTOX SUBSTANCE ID: DTXSID6058714WIKIDATA ID: Q72506178
Experimental Spectrum References
13C NMR SpectraFTIR SpectraVapor Phase IR Spectra

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

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Non-public related references

NorcantharidinCAS 29745-04-8
Lactide, D-CAS 13076-17-0
rac-GR24CAS 76974-79-3

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acidCAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 3425-89-6

What are the key identifiers for 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-5-methyl- (CAS 3425-89-6)?

1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-5-methyl- is identified by CAS 3425-89-6, with molecular formula C9H10O3, molecular weight 166.17, InChIKey OEMSKMUAMXLNKL-UHFFFAOYSA-N.

Can I request a COA for CAS 3425-89-6?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-5-methyl-?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 3425-89-6 available for quotation?

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