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3,4-dihydro-1H-2-benzopyran-1-one

3,4-dihydro-1H-2-benzopyran-1-one structure

CAS No.: 4702-34-5

Chemical Name:: 3,4-dihydro-1H-2-benzopyran-1-one

Synonyms: Isochroman-1-one;1-Isochromanone;1-Isochromanon;1-oxo-isochroMan;Einecs 225-179-4;1-Isochromanone>3,4-Dihydroisocoumarin;3,4-dihydroisochroMen-1-one;4-dihydro-1H-2-benzopyran-1-one;3,4-dihydro-1H-2-benzopyran-1-one

CBNumber:: CB4906430

Molecular Formula:: C9H8O2

Molecular Weight:: 148.16

MDL Number:: MFCD00799232

MOL File:: 4702-34-5.mol

Last updated:2024-08-08 13:40:43

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3,4-dihydro-1H-2-benzopyran-1-one Properties

Melting point	37-39 °C
Boiling point	160°C/11mmHg(lit.)
Density	1.2030
refractive index	1.5640 to 1.5680
storage temp.	Sealed in dry,Room Temperature
form	clear liquid
color	Colorless to Light orange to Yellow
FDA UNII	994Y8F08R6

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H315-H319-H335
Precautionary statements	P261-P264-P271-P280-P302+P352-P304+P340+P312-P305+P351+P338-P332+P313-P337+P313-P362-P403+P233-P405-P501
HS Code	2932990090

3,4-dihydro-1H-2-benzopyran-1-one price More Price(24)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	I0953	1-Isochromanone >98.0%(GC)	4702-34-5	1g	$61	2024-03-01	Buy
TCI Chemical	I0953	1-Isochromanone >98.0%(GC)	4702-34-5	5g	$243	2024-03-01	Buy
TRC	I779055	Isochroman-1-one	4702-34-5	10mg	$45	2021-12-16	Buy
Oakwood	209012	Isochroman-1-one 95+%	4702-34-5	5g	$54	2021-12-16	Buy
SynQuest Laboratories	2H25-1-2D	Isochroman-1-one 98%	4702-34-5	25g	$288	2021-12-16	Buy

Product number	Packaging	Price	Buy
I0953	1g	$61	Buy
I0953	5g	$243	Buy
I779055	10mg	$45	Buy
209012	5g	$54	Buy
2H25-1-2D	25g	$288	Buy

3,4-dihydro-1H-2-benzopyran-1-one Chemical Properties,Uses,Production

Definition

ChEBI: The simplest member of the class of dihydroisocoumarins that is the 3,4-dihydro derivative of isocoumarin.

Synthesis Reference(s)

Journal of the American Chemical Society, 79, p. 3165, 1957 DOI: 10.1021/ja01569a047
Tetrahedron Letters, 37, p. 4179, 1996 DOI: 10.1016/0040-4039(96)00789-7

3,4-dihydro-1H-2-benzopyran-1-one Preparation Products And Raw materials

Raw materials

Preparation Products

Benzoic acid, 2-ethenyl- (9CI) ethyl 2-(2-broMoethyl)benzoate

3,4-dihydro-1H-2-benzopyran-1-one Suppliers

Global( 100)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shenzhen Nexconn Pharmatechs Ltd	+86-755-89396905 +86-15013857715	admin@nexconn.com	China	10311	58
Shaanxi Dideu Medichem Co. Ltd	+86-29-81139210 +86-18192627656	1059@dideu.com	China	3003	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718 +86-13336195806	sales@capot.com	China	29792	60
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29871	58
Accela ChemBio Inc.	+1-858-6993322	info@accelachem.com	United States	18478	58
Chongqing Chemdad Co., Ltd	+86-023-6139-8061 +86-86-13650506873	sales@chemdad.com	China	39894	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58
Fuxin Pharmaceutical	+86-021-021-50872116 +8613122107989	contact@fuxinpharm.com	China	10035	58
Zhengzhou Alfa Chemical Co.,Ltd	+8618530059196	sale04@alfachem.cn	China	11884	58
Jinan Qinmu Fine Chemical Co.,Ltd.	+8618660799346	sales@qinmuchem.com	China	1009	58

Supplier	Advantage
Shenzhen Nexconn Pharmatechs Ltd	58
Shaanxi Dideu Medichem Co. Ltd	58
Capot Chemical Co.,Ltd.	60
career henan chemical co	58
Accela ChemBio Inc.	58
Chongqing Chemdad Co., Ltd	58
Alchem Pharmtech,Inc.	58
Fuxin Pharmaceutical	58
Zhengzhou Alfa Chemical Co.,Ltd	58
Jinan Qinmu Fine Chemical Co.,Ltd.	58

View Lastest Price from 3,4-dihydro-1H-2-benzopyran-1-one manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2024-10-31	Isochroman-1-one 4702-34-5	US $1.00-2.00 / kg	0.1kg	97%	500kg	Shenzhen Nexconn Pharmatechs Ltd
2024-08-08	Isochroman-1-one 4702-34-5	US $1.00-1.50 / KG	1KG	99%	100000KG	Shaanxi Dideu Medichem Co. Ltd
2021-07-02	3,4-dihydro-1H-2-benzopyran-1-one 4702-34-5	US $15.00-10.00 / KG	1KG	99%+ HPLC	Monthly supply of 1 ton	Zhuozhou Wenxi import and Export Co., Ltd

Isochroman-1-one
4702-34-5
US $1.00-2.00 / kg
97%
Shenzhen Nexconn Pharmatechs Ltd

Isochroman-1-one
4702-34-5
US $1.00-1.50 / KG
99%
Shaanxi Dideu Medichem Co. Ltd

3,4-dihydro-1H-2-benzopyran-1-one
4702-34-5
US $15.00-10.00 / KG
99%+ HPLC
Zhuozhou Wenxi import and Export Co., Ltd

3,4-dihydro-1H-2-benzopyran-1-one Spectrum

3,4-dihydro-1H-2-benzopyran-1-one(4702-34-5)FT-IR

4702-34-5(3,4-dihydro-1H-2-benzopyran-1-one)Related Search:

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1of4

3,4-dihydro-1H-2-benzopyran-1-one 3,4-Dihydroisocoumarin 1H-2-Benzopyran-1-one,3,4-dihydro-(9CI) Einecs 225-179-4 3,4-dihydroisochroMen-1-one 1-oxo-isochroMan 1H-2-Benzopyran-1-one,3,4-dihydro- isochroman-1-one: 3,4-dihydro-1H-2-benzopyran-1-one 1-Isochromanon 1-Isochromanone> 4-dihydro-1H-2-benzopyran-1-one 1-Isochromanone Isochroman-1-one 4702-34-5 PHENYL