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Home/Compounds/CAS 129075-56-5
Formula C10H11NOMW 161.2Research-use catalog entryCOA/SDS by request

3,4-dihydro-5-methyl-1(2H)-isoquinolinone

CAS Number: 129075-56-5

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Loading RDKit molecule structure...
InChIKey: RLLZPXDJYADIEU-UHFFFAOYSA-NC10H11NO | MW 161.2

Chemical Absolute Identifiers

CAS Number

129075-56-5

PubChem CID

148140

Molecular Formula

C10H11NO

Molecular Weight

161.2 g/mol

Exact Mass

161.084064

InChIKey

RLLZPXDJYADIEU-UHFFFAOYSA-N

IUPAC Name

5-methyl-3,4-dihydro-2H-isoquinolin-1-one

SMILES String

CC1=C2CCNC(=O)C2=CC=C1

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

3,4-dihydro-5-methyl-1(2H)-isoquinolinone (CAS 129075-56-5) is listed in the Advanced Chemicals portfolio, with molecular formula C10H11NO and molecular weight 161. 20 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
Biological target reference

ChEMBL reports experimental activity evidence for: Poly [ADP-ribose] polymerase 1 (Homo sapiens) — 4 assays. These records describe research assays and do not establish therapeutic efficacy or clinical use.

Poly [ADP-ribose] polymerase 1

Homo sapiens · SINGLE PROTEIN · 4 qualifying assays · 4 documents · best pChEMBL 7.16

Experimental evidence source: ChEMBL

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

3,4-dihydro-5-methyl-1(2H)-isoquinolinone

Names & Synonyms

1(2H)-Isoquinolinone, 3,4-dihydro-5-methyl-5-methyl-3,4-dihydroisoquinolin-1(2H)-one3,4-DIHYDRO-5-METHYL-ISOQUINOLINONE3,4-dihydro-5-methylisoquinolinonePD 128763
Show all synonyms
dihydroisoquinolinone, 15-methyl-1,2,3,4-tetrahydroisoquinolin-1-one5-Methyl-34-dihydroisoquinolin-1(2H)-one5-methyl- 3,4-dihydroisoquinolin-1(2H)-one5-Methyl- 3,4-dihydroisoquinolin-1(2H)-one,5-Methyl-3 pound not4-dihydroisoquinolin-1(2H)-one
External Identifiers
EC NUMBER: 197-239-7DSSTOX SUBSTANCE ID: DTXSID20156053CHEMBL ID: CHEMBL125200CHEBI ID: CHEBI:41928UNII: FI8AN8XP0WDRUGBANK ID: DB03722METABOLOMICS WORKBENCH ID: 52297WIKIDATA ID: Q27094628
Experimental Spectrum References
Vapor Phase IR Spectra
Literature & Patent References
DOI 10.1016/j.ejmech.2020.112570The ups and downs of Poly(ADP-ribose) Polymerase-1 inhibitors in cancer therapy-Current progress and future direction.PMID 32717529The ups and downs of Poly(ADP-ribose) Polymerase-1 inhibitors in cancer therapy-Current progress and future direction.DOI 10.1016/j.ejmech.2019.01.024Medicinal chemistry approaches of poly ADP-Ribose polymerase 1 (PARP1) inhibitors as anticancer agents - A recent update.DOI 10.1021/acsmedchemlett.8b00429Rational Design of Cell-Active Inhibitors of PARP10.PMID 30655950Rational Design of Cell-Active Inhibitors of PARP10.PMID 30684797Medicinal chemistry approaches of poly ADP-Ribose polymerase 1 (PARP1) inhibitors as anticancer agents - A recent update.DOI 10.1016/j.bmcl.2008.07.091Identification of ring-fused pyrazolo pyridin-2-ones as novel poly(ADP-ribose)polymerase-1 inhibitors.PMID 18713665Identification of ring-fused pyrazolo pyridin-2-ones as novel poly(ADP-ribose)polymerase-1 inhibitors.

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

5-Hydroxy-1,2,3,4-tetrahydroisoquinolin-1-oneCAS 56469-02-4
5-Bromo-1,2,3,4-tetrahydroisoquinolin-1-oneCAS 1109230-25-2
5-Fluoro-3,4-dihydroisoquinolin-1(2H)-oneCAS 230301-83-4
3,4-dihydro-5-methoxy-1(2H)-isoquinolinoneCAS 129075-49-6
Methyl 1-oxo-1,2,3,4-tetrahydroisoquinoline-5-carboxylateCAS 93258-88-9

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 56469-02-45-Hydroxy-1,2,3,4-tetrahydroisoquinolin-1-oneCAS 1109230-25-25-Bromo-1,2,3,4-tetrahydroisoquinolin-1-oneCAS 230301-83-45-Fluoro-3,4-dihydroisoquinolin-1(2H)-oneCAS 129075-49-63,4-dihydro-5-methoxy-1(2H)-isoquinolinoneCAS 93258-88-9Methyl 1-oxo-1,2,3,4-tetrahydroisoquinoline-5-carboxylateCAS 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 129075-56-5

What are the key identifiers for 3,4-dihydro-5-methyl-1(2H)-isoquinolinone (CAS 129075-56-5)?

3,4-dihydro-5-methyl-1(2H)-isoquinolinone is identified by CAS 129075-56-5, with molecular formula C10H11NO, molecular weight 161.2, InChIKey RLLZPXDJYADIEU-UHFFFAOYSA-N.

Does CAS 129075-56-5 have reported biological target evidence?

ChEMBL contains qualifying experimental assay evidence associated with Poly [ADP-ribose] polymerase 1. These records do not establish therapeutic efficacy or clinical use.

Can I request a COA for CAS 129075-56-5?

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

Can I request supplier SDS for 3,4-dihydro-5-methyl-1(2H)-isoquinolinone?

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

Is CAS 129075-56-5 available for quotation?

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