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: methylripariochromene A
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

20819-46-9

20819-46-9 structure

20819-46-9 structure

Name: methylripariochromene A
Chemical Name: 1-(7,8-dimethoxy-2,2-dimethylchromen-6-yl)ethanone
CAS Number: 20819-46-9
Molecular Formula: C₁₅H₁₈O₄
Molecular Weight: 262.30100
Create Date: 2016-10-30 10:23:08
Modify Date: 2025-08-26 17:26:10

Name	1-(7,8-dimethoxy-2,2-dimethylchromen-6-yl)ethanone
Synonyms	Methylripariochromen A 6-acetyl-7,8-dimethoxy-2,2-dimethylchromene Methylrepariochromen A Methylripariochromene A

Density	1.099g/cm3
Boiling Point	385.4ºC at 760 mmHg
Molecular Formula	C₁₅H₁₈O₄
Molecular Weight	262.30100
Flash Point	169.8ºC
Exact Mass	262.12100
PSA	44.76000
LogP	3.09060
Vapour Pressure	3.82E-06mmHg at 25°C
Index of Refraction	1.518

HS Code	2914509090

HS Code	2914509090
Summary	HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

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