Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 6,7-DIMETHOXY-4-METHYL-CHROMAN-2-ONE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

104665-63-6

104665-63-6 structure

104665-63-6 structure

Name: 6,7-DIMETHOXY-4-METHYL-CHROMAN-2-ONE
Chemical Name: 6,7-dimethoxy-4-methyl-3,4-dihydrochromen-2-one
CAS Number: 104665-63-6
Molecular Formula: C₁₂H₁₄O₄
Molecular Weight: 222.23700
Create Date: 2017-09-14 02:43:30
Modify Date: 2025-09-03 14:10:20

Name	6,7-dimethoxy-4-methyl-3,4-dihydrochromen-2-one
Synonyms	2H-1-Benzopyran-2-one,3,4-dihydro-6,7-dimethoxy-4-methyl 6,7-Dimethoxy-4-methyl-chroman-2-on 3,4-dihydro-6,7-dimethoxy-4-methylcoumarin 6,7-dimethoxy-4-methyl-chroman-2-one

Density	1.159g/cm3
Boiling Point	310.189ºC at 760 mmHg
Molecular Formula	C₁₂H₁₄O₄
Molecular Weight	222.23700
Flash Point	134.608ºC
Exact Mass	222.08900
PSA	44.76000
LogP	2.11640
Vapour Pressure	0.001mmHg at 25°C
Index of Refraction	1.519

HS Code	2932209090

18921-82-9 structure

18921-82-9

2033-89-8 structure

2033-89-8

~76%

104665-63-6 structure

104665-63-6

Literature: Fillion, Eric; Dumas, Aaron M.; Kuropatwa, Bryan A.; Malhotra, Neil R.; Sitler, Tamsyn C. Journal of Organic Chemistry, 2006 , vol. 71, # 1 p. 409 - 412

Precursor 2
18921-82-9 2033-89-8
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%

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