Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5-Thiophen-2-yl-1H-pyrazole-3-carboxylic acid
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 5-Thien-2-yl-1H-pyrazole-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

182415-24-3

182415-24-3 structure

182415-24-3 structure

Name: 5-Thiophen-2-yl-1H-pyrazole-3-carboxylic acid
Chemical Name: 5-thiophen-2-yl-1H-pyrazole-3-carboxylic acid
CAS Number: 182415-24-3
Molecular Formula: C₈H₆N₂O₂S
Molecular Weight: 194.210
Create Date: 2018-12-15 16:24:09
Modify Date: 2025-08-24 00:13:01

Name	5-thiophen-2-yl-1H-pyrazole-3-carboxylic acid
Synonyms	1H-Pyrazole-3-carboxylic acid, 5-(2-thienyl)- 5-Thiophen-2-yl-1H-pyrazole-3-carboxylic acid 5-Thiophen-2-yl-2H-pyrazole-3-carboxylic acid 5-Thien-2-yl-1H-pyrazole-3-carboxylic acid 1H-Pyrazole-3-carboxylicacid,5-(2-thienyl) 5-(2-Thienyl)-1H-pyrazole-3-carboxylic acid 5-(thiophen-2-yl)-1H-pyrazole-3-carboxylic acid 3-(2-Thienyl)-1H-pyrazole-5-carboxylic acid MFCD05170066 3-thien-2-yl-1H-pyrazole-5-carboxylic acid

Density	1.5±0.1 g/cm3
Boiling Point	509.4±40.0 °C at 760 mmHg
Melting Point	226 - 227ºC
Molecular Formula	C₈H₆N₂O₂S
Molecular Weight	194.210
Flash Point	261.8±27.3 °C
Exact Mass	194.014999
PSA	94.22000
LogP	1.69
Vapour Pressure	0.0±1.4 mmHg at 25°C
Index of Refraction	1.684

Hazard Codes	Xi: Irritant;
HS Code	2934999090

26974-16-3 structure

26974-16-3

~84%

182415-24-3 structure

182415-24-3

Literature: Ermolenko, Mikhail S.; Guillou, Sandrine; Janin, Yves L. Tetrahedron, 2013 , vol. 69, # 1 p. 257 - 263

326-91-0 structure

326-91-0

~%

182415-24-3 structure

182415-24-3

Literature: Tetrahedron, , vol. 69, # 1 p. 257 - 263

Precursor 2
26974-16-3 326-91-0
DownStream 0

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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