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: 5H,11H-[2]Benzopyrano[4,3-g][1]benzopyran-9-carboxylicacid, 5,5-dimethyl-11-oxo- (9CI)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

52156-73-7

52156-73-7 structure

52156-73-7 structure

Name: 5H,11H-[2]Benzopyrano[4,3-g][1]benzopyran-9-carboxylicacid, 5,5-dimethyl-11-oxo- (9CI)
Chemical Name: 5,5-dimethyl-11-oxoisochromeno[4,3-g]chromene-9-carboxylic acid
CAS Number: 52156-73-7
Molecular Formula: C₁₉H₁₄O₅
Molecular Weight: 322.31100
Create Date: 2017-03-15 12:07:49
Modify Date: 2024-09-11 21:55:33

Name	5,5-dimethyl-11-oxoisochromeno[4,3-g]chromene-9-carboxylic acid
Synonyms	Prd-92 Ea

Density	1.38g/cm3
Boiling Point	524.7ºC at 760mmHg
Molecular Formula	C₁₉H₁₄O₅
Molecular Weight	322.31100
Flash Point	194ºC
Exact Mass	322.08400
PSA	76.74000
LogP	3.78570
Index of Refraction	1.642

HS Code	2932999099

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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