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553-03-7 - 3,4-Dihydro-2-(1H)-quinolinone, 98% - Hydrocarbostyril - H36638 - Alfa Aesar

H36638 3,4-Dihydro-2-(1H)-quinolinone, 98%

CAS Number

Size Price ($) Quantity Availability
1g 36.40
5g 124.16
25g 369.01
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3,4-Dihydro-2-(1H)-quinolinone, 98%


Chemical Properties

Formula Weight
Melting point
Light Sensitive
Slightly soluble in water.


3,4-Dihydro-2-(1H)-quinolinone may be employed as medium supplement in the culture medium of Pseudomonas ayucida during enrichment culture experiments. It is used to prepare potent bicyclic peptide deformylase inhibitors with antibacterial effects. It is also used to synthesize substituted iminopiperidines as inhibitors of human nitric oxide synthase isoforms.


Light sensitive. Incompatible with oxidizing agents.

Literature References

John J.Kilbane; Rajaram Ranganathan; Lisa Cleveland; Kevin J.Kayser; Claudia Ribiero; Monica M.Linhares. Selective removal of nitrogen from quinoline and petroleum by Pseudomonas ayucida IGTN9m. Appl Environ Microbiol. 2000, 66,(2), 688-693.

Takayuki Tsuritani; Yuhei Yamamoto; Masashi Kawasaki; Toshiaki Mase. Novel approach to 3,4-dihydro-2(1H)-quinolinone derivatives via cyclopropane ring expansion. Organic Letters. 2009, 11,(5), 1043-1045.


GHS Hazard and Precautionary Statements

Hazard Statements: H301-H315-H319-H317-H335

Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause an allergic skin reaction. May cause respiratory irritation.

Precautionary Statements: P261-P280-P301+P310-P305+P351+P338-P304+P340-P362-P312-P363-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Wash contaminated clothing before reuse. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Harmonized Tariff Code


  • H52852

    4-Chlorocarbonylbenzeneboronic anhydride, tech. 90%
  • H63652

    2,5-Difluoro-4-methylbenzoic acid, 95%
  • H51689

    trans-3-Trimethylsiloxy-1-propenylboronic acid pinacol ester, 96%
  • 30131

    Calcium tetrafluoroborate hydrate
  • L15516

    4-Benzyloxy-2-methoxybenzaldehyde, 98+%

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