Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5-Ethyl-3-thiophenecarboxylic acid
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 5-ETHYLTHIOPHENE-3-CARBOXYLIC ACID
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

19156-51-5

19156-51-5 structure

19156-51-5 structure

Name: 5-Ethyl-3-thiophenecarboxylic acid
Chemical Name: 5-ethylthiophene-3-carboxylic acid
CAS Number: 19156-51-5
Molecular Formula: C₇H₈O₂S
Molecular Weight: 156.202
Create Date: 2018-09-10 18:27:17
Modify Date: 2025-08-25 12:37:16

Name	5-ethylthiophene-3-carboxylic acid
Synonyms	3-Thiophenecarboxylic acid, 5-ethyl- 5-Ethyl-3-thiophenecarboxylic acid 5-ethyl-thiophene-3-carboxylic acid 5-Aethyl-thiophen-3-carbonsaeure

Density	1.3±0.1 g/cm3
Boiling Point	286.1±28.0 °C at 760 mmHg
Molecular Formula	C₇H₈O₂S
Molecular Weight	156.202
Flash Point	126.8±24.0 °C
Exact Mass	156.024506
PSA	65.54000
LogP	2.49
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.576

Hazard Codes	Xi
HS Code	2934999090

19163-51-0 structure

19163-51-0

~%

19156-51-5 structure

19156-51-5

Literature: WO2009/74789 A1, ; Page/Page column 141 ; WO 2009/074789 A1

99168-64-6 structure

99168-64-6

~%

19156-51-5 structure

19156-51-5

Literature: Nippon Kagaku Zasshi, , vol. 80, p. 1021,1023 Chem.Abstr., , p. 5467

5751-80-4 structure

5751-80-4

~%

19156-51-5 structure

19156-51-5

Literature: Nippon Kagaku Zasshi, , vol. 80, p. 1021,1023 Chem.Abstr., , p. 5467

33148-87-7 structure

33148-87-7

~%

19156-51-5 structure

19156-51-5

Literature: Nippon Kagaku Zasshi, , vol. 80, p. 1021,1023 Chem.Abstr., , p. 5467

Precursor 1
5751-80-4
DownStream 1
95330-74-8

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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