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Home/Compounds/CAS 641-70-3
Formula C8H3NO5MW 193.11Research-use catalog entryCOA/SDS by request

3-Nitrophthalic anhydride

CAS Number: 641-70-3

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Loading RDKit molecule structure...
InChIKey: ROFZMKDROVBLNY-UHFFFAOYSA-NC8H3NO5 | MW 193.11

Chemical Absolute Identifiers

CAS Number

641-70-3

PubChem CID

21631

Molecular Formula

C8H3NO5

Molecular Weight

193.11 g/mol

Exact Mass

193.001122

InChIKey

ROFZMKDROVBLNY-UHFFFAOYSA-N

IUPAC Name

4-nitro-2-benzofuran-1,3-dione

SMILES String

C1=CC2=C(C(=C1)[N+](=O)[O-])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

3-Nitrophthalic anhydride (CAS 641-70-3) is listed in the Advanced Chemicals portfolio, with molecular formula C8H3NO5 and molecular weight 193. 11 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; structure-derived tags include nitrogen-containing heterocycle.

Documentation needs

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

Applications & Classification

Organic 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

3-Nitrophthalic anhydride

Names & Synonyms

Phthalic anhydride, 3-nitro-1,3-Isobenzofurandione, 4-nitro-4-nitroisobenzofuran-1,3-dione4-nitro-isobenzofuran-1,3-dione3-Nitrophthalicanhydride
Show all synonyms
3-nitro phthalic anhydride1,3-Isobenzofurandione, nitro-nitrophthalic anhydride4-NITRO-1,3-ISOBENZOFURANDIONE3-nitro-phtalic anhydride4-nitro-1,3-dihydro-2-benzofuran-1,3-dione3-nitrophtalic acid anhydride3-nitrophthalic acid anhydride4-Nitro-2-benzofuran-1,3-dione #N02453-Nitrophthalic anhydride, purum, >=96.0% (NT)3-Nitrophthalic Anhydride(Discontinued,See C4X-135436)InChI=1/C8H3NO5/c10-7-4-2-1-3-5(9(12)13)6(4)8(11)14-7/h1-3
External Identifiers
EC NUMBER: 211-373-6DSSTOX SUBSTANCE ID: DTXSID0060939CHEMBL ID: CHEMBL2057876UNII: X2BXS9KCY2WIKIDATA ID: Q72495921
Experimental Spectrum References
13C NMR Spectra1D NMR Spectra1H NMR SpectraATR-IR SpectraFTIR SpectraRaman SpectraVapor Phase IR Spectra
Literature & Patent References
DOI 10.1016/j.bmc.2012.06.039Design and synthesis of marine fungal phthalide derivatives as PPAR-γ agonists.PMID 22819190Design and synthesis of marine fungal phthalide derivatives as PPAR-γ agonists.

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

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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

4-Nitrobenzo[de]isochromene-1,3-dioneCAS 34087-02-0
4-Nitro-1,8-naphthalic anhydrideCAS 6642-29-1
3-Fluorophthalic anhydrideCAS 652-39-1
3-Hydroxyphthalic anhydrideCAS 37418-88-5
3-Iodophthalic anhydrideCAS 28418-88-4

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 34087-02-04-Nitrobenzo[de]isochromene-1,3-dioneCAS 6642-29-14-Nitro-1,8-naphthalic anhydrideCAS 652-39-13-Fluorophthalic anhydrideCAS 37418-88-53-Hydroxyphthalic anhydrideCAS 28418-88-43-Iodophthalic anhydrideCAS 603-11-23-Nitrophthalic acidCAS 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-carboxylate

RFQ questions for CAS 641-70-3

What are the key identifiers for 3-Nitrophthalic anhydride (CAS 641-70-3)?

3-Nitrophthalic anhydride is identified by CAS 641-70-3, with molecular formula C8H3NO5, molecular weight 193.11, InChIKey ROFZMKDROVBLNY-UHFFFAOYSA-N.

Can I request a COA for CAS 641-70-3?

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

Can I request supplier SDS for 3-Nitrophthalic anhydride?

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Is CAS 641-70-3 available for quotation?

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