1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one

About 1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one

1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one is a bioactive small molecule carrying the CAS registry number 41443-28-1. With the molecular formula C9H5N3O2, it has a molar mass of 187.15 g/mol. Its systematic (IUPAC) name is [1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one. Common synonyms include ODQ and 1H-ODQ.

It is supplied as a pale yellow to yellow powder. Store it at 2–8 °C, in a tightly closed container. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include cell signalling research, pharmacological screening and target validation. Buyers come mainly from academic and industrial research and diagnostics and biotechnology.

We offer 1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one in 5 mg and 25 mg packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Cell signalling research
Pharmacological screening
Target validation

Industries

Specifications & identifiers

Chemical identifiers
Product name	1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one
Catalogue No.	VQ-002737
CAS Number	41443-28-1
IUPAC name	[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one
Molecular formula	C₉H₅N₃O₂
Molecular weight	187.15 g/mol
Exact mass	187.0382
HSN code	29420090
InChIKey	LZMHWZHOZLVYDL-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)N=CC3=NOC(=O)N23
PubChem CID	1456

Physical properties
Physical form	Powder
Appearance	Pale yellow to yellow powder
LogP (XLogP3)	1.1
H-bond donors / acceptors	0 / 4
TPSA	54.3 Å²
Storage	2–8 °C
Synonyms	ODQ, 1h-[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one, 1H-ODQ, 1H-(1,2,4)oxadiazolo(4,3-a)quinoxalin-1-one, ODQ-1H, 1H-(1,2,4)Oxadiazolo-(4,3,A)quinoxalin-1-one, 1H-[124]Oxadiazolo[43-a]quinoxalin-1-one, 1H-[1,2,4]OXADIAZOLO[4,3-a]-QUINOXALIN-1-ONE, EX-A3500, 1h-[1,2,4]-oxadiazolo[4,3-a]quinoxalin-1-one, 10-hydro-1,2,4-oxadiazolino[4,3-a]quinoxalin-1-one, 1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one (9CI)

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 1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one?

The CAS Registry Number of 1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one is 41443-28-1. It is also known as ODQ, 1h-[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one, 1H-ODQ.

What is the molecular formula and molecular weight of 1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one?

1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one has the molecular formula C9H5N3O2 and a molecular weight of 187.15 g/mol. Its IUPAC name is [1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one.

Which grade and pack sizes of 1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one can I order?

We supply 1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one, in 5 mg, 25 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one?

Yes. Every lot of 1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-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 1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one be shipped internationally?

Yes. 1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-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.

How should 1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.