ChemicalBook >> CAS DataBase List >>7-bromochroman-4-one
7-bromochroman-4-one
- CAS No.
- 18442-22-3
- Chemical Name:
- 7-bromochroman-4-one
- Synonyms
- 7-bromo-2,3-dihydrochromen-4-one;7-Bromo Chromonone;7-Bromo-4-chromanone;7-bromochroman-4-one;7-BroMo-4-chroManone 97%;7-Bromochroman-4-one C9H7BrO2;7-bromo-2,3-dihydrobenzopyran-4-one;7-BROMOCHROMAN-4-ONE, CAS: 18442-22-3;7-broMo-3,4-dihydro-2H-1-benzopyran-4-one;7-Bromo-2,3-dihydro-4H-1-benzopyran-4-one
- CBNumber:
- CB3948156
- Molecular Formula:
- C9H7BrO2
- Molecular Weight:
- 227.05
- MDL Number:
- MFCD09744055
- MOL File:
- 18442-22-3.mol
Last updated:2023-12-07 18:29:35
SAFETY
Risk and Safety Statements
Symbol(GHS) | GHS07 |
---|---|
Signal word | Warning |
Hazard statements | H319-H302-H335-H315 |
Precautionary statements | P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P-P264-P270-P301+P312-P330-P501 |
HS Code | 2932990090 |
7-bromochroman-4-one price More Price(37)
Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
---|---|---|---|---|---|---|---|
TRC | B684988 | 7-Bromochroman-4-one | 18442-22-3 | 1g | $75 | 2021-12-16 | Buy |
AK Scientific | W3989 | 7-Bromochroman-4-one | 18442-22-3 | 250mg | $76 | 2021-12-16 | Buy |
Biosynth Carbosynth | FB140667 | 7-Bromochroman-4-one | 18442-22-3 | 1g | $100 | 2021-12-16 | Buy |
Matrix Scientific | 073339 | 7-Bromochroman-4-one 95+% | 18442-22-3 | 1g | $44 | 2021-12-16 | Buy |
Oakwood | 077088 | 7-Bromochroman-4-one 95+% | 18442-22-3 | 5g | $148 | 2021-12-16 | Buy |
7-bromochroman-4-one Chemical Properties,Uses,Production
Uses
Used as a intermediate for R & D.
Synthesis
7-Bromochroman-4-one was synthesized by hydrogenation addition of 7-Bromo-benzopyrone catalyzed by Wilkinson's catalyst Rhodium( Ⅰ) tris( triphenylphosphine) chloride[Rh( PPh3)3Cl]. The structure was confirmed by1 H NMR and MS. The optimum reaction conditions for synthesizing 7-Bromochroman-4-one were as follows: 5 0. 329 mol,ethanol as the solvent,c( 5) =0. 4 mol·L- 1,4% mol Rh( PPh3)3Cl as the catalyst,under 0. 3 MPa of hydrogen pressure,at 70℃ for 20 h,the yield was 79. 8%.
7-bromochroman-4-one Preparation Products And Raw materials
Global( 128)Suppliers
Supplier | Tel | Country | ProdList | Advantage | |
---|---|---|---|---|---|
Shanghai Rlavie Technology Co ltd | +86-021-67759270 +8617717059219 | sales@rlavie.com | China | 1030 | 58 |
Shanghai UCHEM Inc. | +862156762820 +86-13564624040 | sales@myuchem.com | China | 6710 | 58 |
Capot Chemical Co.,Ltd. | 571-85586718 +8613336195806 | sales@capotchem.com | China | 29797 | 60 |
ATK CHEMICAL COMPANY LIMITED | +undefined-21-51877795 | ivan@atkchemical.com | China | 32480 | 60 |
Accela ChemBio Inc. | (+1)-858-699-3322 | info@accelachem.com | United States | 19965 | 58 |
Alchem Pharmtech,Inc. | 8485655694 | sales@alchempharmtech.com | United States | 63711 | 58 |
CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49390 | 58 |
career henan chemical co | +86-0371-86658258 15093356674; | factory@coreychem.com | China | 29826 | 58 |
Guangzhou Yuheng Pharmaceutical Technology Co., Ltd | +8613580539051 | joe@yuhengpharm.com | CHINA | 21149 | 58 |
Hefei TNJ Chemical Industry Co.,Ltd. | 0551-65418671 | sales@tnjchem.com | China | 34572 | 58 |
View Lastest Price from 7-bromochroman-4-one manufacturers
Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
---|---|---|---|---|---|---|---|---|
2024-02-23 | 7-Bromo-4-chromanone
18442-22-3
|
US $124.00-370.00 / g | 5g | 0.98 | 25kg | Shanghai UCHEM Inc. | ||
2022-01-04 | 7-Bromo-4-chromanone
18442-22-3
|
US $0.00-0.00 / KG | 1g | 98%minHPLC | 200kgs/month | Shanghai Rlavie Technology Co ltd | ||
2020-01-15 | 7-Bromo-4-chromanone
18442-22-3
|
US $1.00 / g | 1g | 99% | 1000KGS | Career Henan Chemical Co |
- 7-Bromo-4-chromanone
18442-22-3
- US $124.00-370.00 / g
- 0.98
- Shanghai UCHEM Inc.
- 7-Bromo-4-chromanone
18442-22-3
- US $0.00-0.00 / KG
- 98%minHPLC
- Shanghai Rlavie Technology Co ltd
- 7-Bromo-4-chromanone
18442-22-3
- US $1.00 / g
- 99%
- Career Henan Chemical Co
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7-Bromochroman-4-one C9H7BrO2
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7-BROMOCHROMAN-4-ONE, CAS: 18442-22-3
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7-bromochroman-4-one
18442-22-3
18442-22-3