MolGraph
CompoundsDocumentationComplianceAbout
MolGraph

Research chemical sourcing and molecular building block RFQ workflows.

MolGraph is operated by Tessorix Inc.

support@molgraph.com

Products are intended for laboratory research use only and are not for human or veterinary use.

Compounds

  • Compound catalog
  • CAS Search

Company

  • About
  • Contact

Documentation

  • Quality Documentation
  • SDS Disclaimer

Compliance

  • Compliance

Legal

  • Terms
  • Privacy

Copyright © 2026 MolGraph. All Rights Reserved.

Home/Compounds/CAS 306731-76-0
Formula C16H12N2O3MW 280.28Research-use catalog entryCOA/SDS by request

4-(4-methyl-1-oxophthalazin-2(1H)-yl)benzoic acid

CAS Number: 306731-76-0

Sourcing & RFQ

Submit an RFQ to review pricing, availability, lead time, pack size, purity, COA, and supplier SDS for this catalog entry.

Available options

Available Options

Package
250 mg
Purity
97%
Price
Request review
Availability
Shipping review required
Delivery
Shipping review required

Shipping review is required before pricing or stock can be confirmed publicly. Shipping, duties, and documentation fees are confirmed before order acceptance.

Loading RDKit molecule structure...
InChIKey: NZVDHFVMZUBELK-UHFFFAOYSA-NC16H12N2O3 | MW 280.28

Chemical Absolute Identifiers

CAS Number

306731-76-0

PubChem CID

678292

Molecular Formula

C16H12N2O3

Molecular Weight

280.28 g/mol

Exact Mass

280.084792

InChIKey

NZVDHFVMZUBELK-UHFFFAOYSA-N

IUPAC Name

4-(4-methyl-1-oxophthalazin-2-yl)benzoic acid

SMILES String

Cc1nn(-c2ccc(C(=O)O)cc2)c(=O)c2ccccc12

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

4-(4-methyl-1-oxophthalazin-2(1H)-yl)benzoic acid (CAS 306731-76-0) is listed in the Advanced Chemicals portfolio, with molecular formula C16H12N2O3 and molecular weight 280. 28 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

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

For supplier-issued SDS or COA, submit a documentation request.

Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

4-(4-methyl-1-oxophthalazin-2(1H)-yl)benzoic acid

Names & Synonyms

4-(4-methyl-1-oxophthalazin-2(1H)-yl)benzoicacidOprea1_2205874-(4-methyl-1-oxo-phthalazin-2-yl)benzoic acid4-(4-Methyl-1-oxo-2(1H)-phthalazinyl)benzoic acid4-(4-methyl-1-oxo-2-hydrophthalazin-2-yl)benzoic acid
Show all synonyms
4-(4-METHYL-1-OXO-1,2-DIHYDROPHTHALAZIN-2-YL)BENZOIC ACID
External Identifiers
DSSTOX SUBSTANCE ID: DTXSID50350406CHEMBL ID: CHEMBL1325698WIKIDATA ID: Q82126334

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

Show non-linked catalog cues

Non-public related references

3-(4-methyl-1-oxophthalazin-2(1H)-yl)benzoic acidCAS 296790-56-2
4-Oxo-3-phenyl-3,4-dihydrophthalazine-1-carboxylic acidCAS 57531-19-8
2-(4-Methyl-1-oxo-1,2-dihydrophthalazin-2-yl)acetic acidCAS 68775-82-6
2-(4-Methyl-1-oxo-1H-phthalazin-2-yl)-propionic acidCAS 332886-32-5
4-Oxo-3-phenyl-3,4-dihydrophthalazine-1-carbohydrazideCAS 106882-45-5

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 296790-56-23-(4-methyl-1-oxophthalazin-2(1H)-yl)benzoic acidCAS 57531-19-84-Oxo-3-phenyl-3,4-dihydrophthalazine-1-carboxylic acidCAS 68775-82-62-(4-Methyl-1-oxo-1,2-dihydrophthalazin-2-yl)acetic acidCAS 332886-32-52-(4-Methyl-1-oxo-1H-phthalazin-2-yl)-propionic acidCAS 106882-45-54-Oxo-3-phenyl-3,4-dihydrophthalazine-1-carbohydrazideCAS 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 acid

RFQ questions for CAS 306731-76-0

What are the key identifiers for 4-(4-methyl-1-oxophthalazin-2(1H)-yl)benzoic acid (CAS 306731-76-0)?

4-(4-methyl-1-oxophthalazin-2(1H)-yl)benzoic acid is identified by CAS 306731-76-0, with molecular formula C16H12N2O3, molecular weight 280.28, InChIKey NZVDHFVMZUBELK-UHFFFAOYSA-N.

Can I request a COA for CAS 306731-76-0?

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

Can I request supplier SDS for 4-(4-methyl-1-oxophthalazin-2(1H)-yl)benzoic acid?

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

Is CAS 306731-76-0 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

Can MolGraph support bulk sourcing or custom synthesis review?

Submit the CAS number, quantity, purity requirement, and destination country for sourcing review.