3-Methylisoquinolin-1(2H)-one

About 3-Methylisoquinolin-1(2H)-one

3-Methylisoquinolin-1(2H)-one is a quinoline derivative carrying the CAS registry number 7114-80-9. Formula C10H9NO, molecular weight 159.18 g/mol. The IUPAC name is 3-methyl-2H-isoquinolin-1-one. Alternative names: 3-methyl-1,2-dihydroisoquinolin-1-one and 3-methylisoquinolin-1-ol.

Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	3-Methylisoquinolin-1(2H)-one
Catalogue No.	VQ-050586
CAS Number	7114-80-9
IUPAC name	3-methyl-2H-isoquinolin-1-one
Molecular formula	C₁₀H₉NO
Molecular weight	159.18 g/mol
Exact mass	159.0684
HSN code	2933
InChIKey	QAOMZDFCQJQQQS-UHFFFAOYSA-N
SMILES	CC1=CC2=CC=CC=C2C(=O)N1
PubChem CID	3244477

Physical properties
Physical form	Other
LogP (XLogP3)	1.7
H-bond donors / acceptors	1 / 1
TPSA	29.1 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 3-Methylisoquinolin-1(2H)-one?

The CAS Registry Number of 3-Methylisoquinolin-1(2H)-one is 7114-80-9. It is also known as 3-methyl-1,2-dihydroisoquinolin-1-one, 3-methylisoquinolin-1-ol, 3-methyl-1-isoquinolinol.

What is the molecular formula and molecular weight of 3-Methylisoquinolin-1(2H)-one?

3-Methylisoquinolin-1(2H)-one has the molecular formula C10H9NO and a molecular weight of 159.18 g/mol. Its IUPAC name is 3-methyl-2H-isoquinolin-1-one.

Which grade and pack sizes of 3-Methylisoquinolin-1(2H)-one can I order?

We supply 3-Methylisoquinolin-1(2H)-one, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 3-Methylisoquinolin-1(2H)-one?

Yes. Every lot of 3-Methylisoquinolin-1(2H)-one is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 3-Methylisoquinolin-1(2H)-one be shipped internationally?

Yes. 3-Methylisoquinolin-1(2H)-one is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.