Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 7,8-Dihydroxy-3,4-dimethyl-2H-chromen-2-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

1658-73-7

1658-73-7 structure

1658-73-7 structure

Name: 7,8-Dihydroxy-3,4-dimethyl-2H-chromen-2-one
Chemical Name: 7,8-Dihydroxy-3,4-dimethyl-2H-chromen-2-one
CAS Number: 1658-73-7
Molecular Formula: C₁₁H₁₀O₄
Molecular Weight: 206.19500
Create Date: 2017-11-24 09:59:19
Modify Date: 2024-01-10 14:50:43

Name	7,8-Dihydroxy-3,4-dimethyl-2H-chromen-2-one
Synonyms	Retusin(Dalbergia) 7,8-dihydroxy-3,4-dimethyl-coumarin 7,8-Dihydroxy-3,4-dimethyl-cumarin Retusin (isoflavone) 8-hydroxyformononetin 3,4-Dimethyl-7,8-dihydroxycoumarin 3,4-Dimethyl-daphnetin 7,8-dihydroxy-3-(4-methoxyphenyl)-4H-1-benzopyran-4-one 7,8-Dihydroxy-4'-methoxyisoflavone 7,8-dihydroxy-3-(4-methoxyphenyl)-4H-chromen-4-one 7,8-dihydroxy-3-(4-methoxy-phenyl)-chromen-4-one 7,8-dihydroxy-4 inverted exclamation marka-methoxyisoflavone

Molecular Formula	C₁₁H₁₀O₄
Molecular Weight	206.19500
Exact Mass	206.05800
PSA	70.67000
LogP	1.82100

HS Code	2932209090

609-14-3 structure

609-14-3

87-66-1 structure

87-66-1

~87%

1658-73-7 structure

1658-73-7

Literature: Khaligh, Nader Ghaffari; Shirini, Farhad Ultrasonics Sonochemistry, 2013 , vol. 20, # 1 p. 26 - 31,6

Precursor 2
609-14-3 87-66-1
DownStream 0

HS Code	2932209090
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%