Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Thiophene-3-carboxylic acid
Price: Check
Purity: 98.5%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Thiophene-3-carboxylic acid
Price: ￥138.0/5g ￥408.0/25g ￥1338.0/100g
Purity: 98.0%
Stocking Period: 1 Day
Contact: Liu jia
Email: 2130147988@qq.com

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

88-13-1

88-13-1 structure

88-13-1 structure

Name: Thiophene-3-carboxylic acid
Chemical Name: 3-Thiophenecarboxylic Acid
CAS Number: 88-13-1
Molecular Formula: C₅H₄O₂S
Molecular Weight: 128.15
Catalog: Pharmaceutical intermediate Heterocyclic compound Thiophene compound
Create Date: 2018-03-10 08:00:00
Modify Date: 2025-08-24 20:17:57
Thiophene-3-carboxylic acid is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

Name	3-Thiophenecarboxylic Acid
Synonyms	b-Thiophenic Acid Thiophene-3-carboxylic acid β-Thiophenecarboxylic acid b-Thiophenecarboxylic acid β-Thiophenic acid EINECS 201-802-5 T5SJ CVQ 3-Carboxythiophene MFCD00005467 3-Thiophenecarboxylic acid

Description	Thiophene-3-carboxylic acid is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Related Catalog	Research Areas >> Others
In Vitro	3-Thiophenecarboxylic acid 已用于制备新型乙炔单体，这是合成聚（2-甲基丁-2-烯基噻吩-3-羧酸酯）和恶唑啉和恶唑所必需的。它也被用作临床有用的 D-氨基酸抑制剂的开发的负载化合物，并有可能作为活性位点被证明阐明 D-氨基酸的结构-功能关系。

Density	1.4±0.1 g/cm3
Boiling Point	271.1±13.0 °C at 760 mmHg
Melting Point	136-141 °C(lit.)
Molecular Formula	C₅H₄O₂S
Molecular Weight	128.15
Flash Point	117.8±19.8 °C
Exact Mass	127.993202
PSA	65.54000
LogP	1.50
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.607
Storage condition	Refrigerated.
Water Solubility	4.3 g/L (25 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XM8330300

CHEMICAL NAME :: 3-Thiophenecarboxylic acid

CAS REGISTRY NUMBER :: 88-13-1

BEILSTEIN REFERENCE NO. :: 0001994

LAST UPDATED :: 199712

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C5-H4-O2-S

MOLECULAR WEIGHT :: 128.15

WISWESSER LINE NOTATION :: T5SJ CVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 6 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: THERAP Therapie. (Doin, Editeurs, 8, Place de l'Odeon, F-75006 Paris, France) V.1- 1946- Volume(issue)/page/year: 26,831,1971

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi
Risk Phrases	R36/37/38
Safety Phrases	S22-S24/25-S37/39-S26
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	XM8330300
HS Code	29349990

Precursor 10
905966-46-3 124-38-9 17249-80-8 201230-82-2
872-31-1 67-56-1 71637-34-8 67237-53-0
10486-61-0 109-77-3
DownStream 10
41507-35-1 36157-42-3 36157-41-2 39001-23-5
146795-34-8 498-62-4 51460-47-0 40357-96-8
189329-94-0 18895-00-6

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

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.