Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-Thiophenecarboxylicacid, 4-nitro-
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Thiophenecarboxylicacid, 4-nitro-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 2-Thiophenecarboxylicacid, 4-nitro-
Price: ￥Inquiry/100mg ￥Inquiry/10g ￥Inquiry/1g ￥Inquiry/250mg
Purity: 95.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

13138-70-0

13138-70-0 structure

13138-70-0 structure

Name: 2-Thiophenecarboxylicacid, 4-nitro-
Chemical Name: 4-nitrothiophene-2-carboxylic acid
CAS Number: 13138-70-0
Molecular Formula: C₅H₃NO₄S
Molecular Weight: 173.14700
Create Date: 2018-07-06 19:36:12
Modify Date: 2025-08-25 17:54:19

Name	4-nitrothiophene-2-carboxylic acid
Synonyms	MFCD07787605 4-nitro-thiophene-2-carboxylic acid 4-Nitro-2-Thiophenecarboxylicacid 2-Carboxy-4-nitro-thiophen 4-Nitro-thiophen-2-carbonsaeure

Density	1.676g/cm3
Boiling Point	383.3ºC at 760mmHg
Molecular Formula	C₅H₃NO₄S
Molecular Weight	173.14700
Flash Point	185.6ºC
Exact Mass	172.97800
PSA	111.36000
LogP	1.87770
Vapour Pressure	1.47E-06mmHg at 25°C
Index of Refraction	1.659

HS Code	2934999090

Precursor 10
527-72-0 24647-78-7 42137-24-6 57500-53-5
98-03-3 5380-42-7 1003-31-2 57784-57-3
7697-37-2 108-24-7
DownStream 6
89499-38-7 24647-78-7 13880-74-5 822-84-4
42791-51-5 56921-01-8

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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