5H-Chromeno[2,3-b]pyridine

Basic Information

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CAS Number

261-27-8

Molecular Formula

C12H9NO

Molecular Weight

183.21 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Ethers

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Melting Point

87-88 ºC (carbon tetrachloride )

Boiling Point

340.3±11.0 ºC (760 Torr),

Flash Point

124.5±9.5 ºC,

Refractive Index

1.63

SMILES

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C1c2ccccc2Oc3ncccc13

InChI

InChI=1S/C12H9NO/c1-2-6-11-9(4-1)8-10-5-3-7-13-12(10)14-11/h1-7H,8H2

InChIKey

MXIYRNSRKGMBLQ-UHFFFAOYSA-N

LogP

2.778100000000001

Topological Polar Surface Area

22.12 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Synonyms & References

English

5H-chromeno[2,3-b]pyridine
5H-[1]-BENZOPYRANO[2,3-B]PYRIDINE
<1>Benzo-pyrano-<2,3-b>pyridin
5 H-[1]- benzopyran [2,3- b] pyridine
5H-chromeno2,3-bpyridine

MDL Number

MFCD11558949

FAQ

What regulatory guidelines apply to 5H-Chromeno[2,3-b]pyridine (CAS: 261-27-8)?

5H-Chromeno[2,3-b]pyridine (CAS: 261-27-8) falls under the scope of the REACH regulations in Europe and requires registration and evaluation by authorities. In the U.S., it must comply with the FDA and EPA regulations regarding manufacturing, handling, and disposal. It is important to note that it should be classified and labeled according to the Globally Harmonized System (GHS), which includes appropriate hazard communication labels and safety data sheets (SDS).

Are there alternatives to 5H-Chromeno[2,3-b]pyridine (CAS: 261-27-8) in synthesis?

There are alternative chromene derivatives that can serve similar purposes in synthesis, such as 3H-chromen-3-one or 5H-furan[3,2-b]pyridine. These alternatives can offer similar reactivity profiles, but it is crucial to evaluate their synthetic utility, cost, and safety before substitution. Additionally, isomeric forms or analogs of 5H-Chromeno[2,3-b]pyridine may also be considered based on specific reaction conditions and desired product characteristics.

What is the market or research trend for 5H-Chromeno[2,3-b]pyridine (CAS: 261-27-8)?

The market for 5H-Chromeno[2,3-b]pyridine (CAS: 261-27-8) is growing due to its applications in pharmaceuticals and materials science. Research trends indicate increasing interest in its use as an intermediate in the synthesis of bioactive molecules and as a building block for functional materials. The compound's unique structure makes it an attractive target for further investigation into its potential in drug discovery and new material development.

How should waste containing 5H-Chromeno[2,3-b]pyridine (CAS: 261-27-8) be handled?

Waste containing 5H-Chromeno[2,3-b]pyridine (CAS: 261-27-8) should be collected in appropriate containers and disposed of according to local regulations. It is advisable to incinerate the waste under controlled conditions or use a professional waste disposal service. Environmental protection measures should include proper containment to prevent soil and water contamination. Always ensure that the waste is managed in compliance with the Globally Harmonized System (GHS) and local hazardous waste management guidelines.