ChemicalBook >> CAS DataBase List >>8,8-dimethyl-9,10-dihydropyrano[2,3-h]chromen-2-one

8,8-dimethyl-9,10-dihydropyrano[2,3-h]chromen-2-one

8,8-dimethyl-9,10-dihydropyrano[2,3-h]chromen-2-one structure

CAS No.: 2221-66-1

Chemical Name:: 8,8-dimethyl-9,10-dihydropyrano[2,3-h]chromen-2-one

Synonyms: Dihydroseselin, 10 mM in DMSO;3.3′.5′-trihydroxy-4-methoxy-bibenzyl;8,8-dimethyl-9,10-dihydropyrano[2,3-h]chromen-2-one;8,8-Dimethyl-9,10-dihydropyrano[2,3-f]chromen-2(8H)-one;2H,8H-Benzo[1,2-b:3,4-b']dipyran-2-one, 9,10-dihydro-8,8-dimethyl-

CBNumber:: CB43611214

Molecular Formula:: C14H14O3

Molecular Weight:: 230.26

MDL Number:: MFCD00984569

MOL File:: 2221-66-1.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-07-06 17:03:36

Product description	Number	Pack Size	Price
Dihydroseselin	CAA22166	5mg	$250
Dihydroseselin	CAA22166	10mg	$263.8
Dihydroseselin	CAA22166	25mg	$495
Dihydroseselin	CAA22166	50mg	$792
Dihydroseselin	CAA22166	100mg	$1268

Request For Quotation

8,8-dimethyl-9,10-dihydropyrano[2,3-h]chromen-2-one Properties

Melting point	104-105 °C
Boiling point	387.3±42.0 °C(Predicted)
Density	1.190±0.06 g/cm3(Predicted)
storage temp.	Store at -20°C

8,8-dimethyl-9,10-dihydropyrano[2,3-h]chromen-2-one price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Biosynth	CAA22166	Dihydroseselin	2221-66-1	5mg	$250	2026-06-04	Buy
Biosynth	CAA22166	Dihydroseselin	2221-66-1	10mg	$263.8	2026-06-04	Buy
Biosynth	CAA22166	Dihydroseselin	2221-66-1	25mg	$495	2026-06-04	Buy
Biosynth	CAA22166	Dihydroseselin	2221-66-1	50mg	$792	2026-06-04	Buy
Biosynth	CAA22166	Dihydroseselin	2221-66-1	100mg	$1268	2026-06-04	Buy

Product number	Packaging	Price	Buy
CAA22166	5mg	$250	Buy
CAA22166	10mg	$263.8	Buy
CAA22166	25mg	$495	Buy
CAA22166	50mg	$792	Buy
CAA22166	100mg	$1268	Buy

8,8-dimethyl-9,10-dihydropyrano[2,3-h]chromen-2-one Chemical Properties,Uses,Production

Uses

Dihydroseselin is a derivative of 7-hydroxycoumarin (HY-N0573). 7-hydroxycoumarin, a natural product of the coumarin family, is a fluorescing compound which can be used as a sunscreen agent[1]

References

[1] Jetter, M. M., et al. Novel syntheses of dihydroxanthyletin and dihydroseselin derivatives. Journal of Heterocyclic Chemistry, 1990:27(4), 995–997.

8,8-dimethyl-9,10-dihydropyrano[2,3-h]chromen-2-one synthesis

Synthesis of 8,8-dimethyl-9,10-dihydropyrano[2,3-h]chromen-2-one from Osthole

8,8-dimethyl-9,10-dihydropyrano[2,3-h]chromen-2-one Preparation Products And Raw materials

Raw materials

2H,6H-Benzo[1,2-b:5,4-b']dipyran-2-one, 7,8-dihydro-8,8-dimethyl- 2H-1-Benzopyran-2-one, 7-(D-glucopyranosyloxy)-8-(3-methyl-2-buten-1-yl)- osthenol Osthole 7-Hydroxycoumarin

Ethanethiol 1-Chloro-3-methyl-2-butene

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Preparation Products

8,8-dimethyl-9,10-dihydropyrano[2,3-h]chromen-2-one Suppliers

Global( 43)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Chengdu Biopurify Phytochemicals Ltd.	+86-28-82633860; +86-18080483897	sales@biopurify.com	China	4616	58
TargetMol Chemicals Inc.	+1-781-999-5354; +1-00000000000	marketing@targetmol.com	United States	32431	58
Hangzhou Huarong Pharm Co., Ltd.	571-86758373 +8613588754946	sales@huarongpharm.com	CHINA	3147	58
TargetMol Chemicals Inc.	+1-781-999-5354;	support@targetmol.com	United States	38999	58
Mensura Group Limited	18780014153	1058503172@qq.com	China	2900	58
Shanghai Winherb Medical Technology Co., Ltd.	17301719108 13341702378	winherb@126.com	China	1245	58
Wuhan ChemFaces Biochemical Co., Ltd.	18607101326 15172504745	aileen@chemfaces.com	China	6904	55
Shanghai YuanYe Biotechnology Co., Ltd.	13636370518	shyysw007@163.com	China	89667	60
Shanghai Yihe Biological Technology Co., Ltd.	021-68882955 17721395025	2423903095@qq.com	China	4999	58
Nanjing Digger Medical Technology Co. Ltd.	025-025-51191215 18013836722	2399235533@qq.com	China	4932	58

Supplier	Advantage
Chengdu Biopurify Phytochemicals Ltd.	58
TargetMol Chemicals Inc.	58
Hangzhou Huarong Pharm Co., Ltd.	58
TargetMol Chemicals Inc.	58
Mensura Group Limited	58
Shanghai Winherb Medical Technology Co., Ltd.	58
Wuhan ChemFaces Biochemical Co., Ltd.	55
Shanghai YuanYe Biotechnology Co., Ltd.	60
Shanghai Yihe Biological Technology Co., Ltd.	58
Nanjing Digger Medical Technology Co. Ltd.	58

View Lastest Price from 8,8-dimethyl-9,10-dihydropyrano[2,3-h]chromen-2-one manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-07-06	Dihydroseselin 2221-66-1	$56.00-185.00		99.87%	10g	TargetMol Chemicals Inc.

Dihydroseselin
2221-66-1
$56.00-185.00
99.87%
TargetMol Chemicals Inc.

8,8-dimethyl-9,10-dihydropyrano[2,3-h]chromen-2-one Spectrum

8,8-dimethyl-9,10-dihydropyrano[2,3-h]chromen-2-one(2221-66-1)¹HNMR

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