Shanghai Nianxing Industrial Co., Ltd
China
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33543-95-2

33543-95-2 structure

33543-95-2 structure

Name: ethyl 7-methyl-4-oxochromene-2-carboxylate
Chemical Name: ethyl 7-methyl-4-oxochromene-2-carboxylate
CAS Number: 33543-95-2
Molecular Formula: C₁₃H₁₂O₄
Molecular Weight: 232.23200
Create Date: 2017-07-08 12:38:20
Modify Date: 2025-08-24 10:44:53

Name	ethyl 7-methyl-4-oxochromene-2-carboxylate
Synonyms	4H-1-Benzopyran-2-carboxylic acid,7-methyl-4-oxo-,ethyl ester ethyl 7-methyl-4-oxo-4h-chromene-2-carboxylate 7-methyl-4-oxo-4H-chromene-2-carboxylic acid ethyl ester 2-ethoxycarbonyl-7-methyl-chromone ETHYL 7-METHYL-4-OXO-CHROMENE-2-CARBOXYLATE Ethyl 7-methyl-4-oxo-4H-1-benzopyran-2-carboxylate 2-carboethoxy-7-methyl-4-oxo-4H-1-benzopyran

Density	1.252g/cm3
Boiling Point	355.3ºC at 760 mmHg
Molecular Formula	C₁₃H₁₂O₄
Molecular Weight	232.23200
Flash Point	157.6ºC
Exact Mass	232.07400
PSA	56.51000
LogP	2.27810
Index of Refraction	1.562

HS Code	2918300090

6921-64-8 structure

6921-64-8

95-92-1 structure

95-92-1

~65%

33543-95-2 structure

33543-95-2

Literature: Sabui, Subir Kumar; Mondal, Pranab; Venkateswaran, Ramanathapuram V. Journal of Chemical Research - Part S, 2002 , # 9 p. 428 - 429

Precursor 2
6921-64-8 95-92-1
DownStream 2
823805-53-4 823805-56-7

HS Code	2918300090
Summary	2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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