ChemicalBook >> CAS DataBase List >>5-Nitrothiophene-2-carboxylic acid

5-Nitrothiophene-2-carboxylic acid

CAS No.
6317-37-9
Chemical Name:
5-Nitrothiophene-2-carboxylic acid
Synonyms
BUTTPARK 121\04-13;5 - nitro-thiophene;RARECHEM AL BO 0544;5-Nitro-2-thenoic acid;2-Carboxy-5-nitrothiophe;2-Carboxy-5-nitrothiophene;5-nitro-2-thiophenecarboxylic;5-Nitro-2-ThiphenecarboxylicAcid;5-Nitrothiophene-2-carboxylicaci;5-Nitro-2thiaphene-carboxylic acid
CBNumber:
CB2197443
Molecular Formula:
C5H3NO4S
Molecular Weight:
173.15
MDL Number:
MFCD00159552
MOL File:
6317-37-9.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-27 23:59:36
Product description Number Pack Size Price
5-Nitro-2-thiophenecarboxylic Acid >97.0%(GC)(T) N0940 5g $67
5-Nitro-2-thiophenecarboxylic Acid >97.0%(GC)(T) N0940 25g $265
5-Nitrothiophene-2-carboxylic acid Asreported 285400 25g $375
5-Nitrothiophene-2-carboxylic acid Asreported 285400 50g $531
5-Nitrothiophene-2-carboxylic acid Asreported 285400 100g $744
More product size

5-Nitrothiophene-2-carboxylic acid Properties

Melting point 154-159℃
Boiling point 367.2±27.0 °C(Predicted)
Density 1.676±0.06 g/cm3(Predicted)
storage temp. Keep in dark place,Sealed in dry,Room Temperature
pka 2.69±0.10(Predicted)
form Solid
color Pale yellow
InChIKey UNEPVPOHGXLUIR-UHFFFAOYSA-N
CAS DataBase Reference 6317-37-9(CAS DataBase Reference)
FDA UNII JL3FTQ5YCK

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P261-P280a-P304+P340-P305+P351+P338-P405-P501a
Hazard Codes  Xi
Safety Statements  24/25
WGK Germany  3
Hazard Note  Irritant
HS Code  29349990
NFPA 704
0
2 0

5-Nitrothiophene-2-carboxylic acid price More Price(66)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical N0940 5-Nitro-2-thiophenecarboxylic Acid >97.0%(GC)(T) 6317-37-9 5g $67 2026-04-30 Buy
TCI Chemical N0940 5-Nitro-2-thiophenecarboxylic Acid >97.0%(GC)(T) 6317-37-9 25g $265 2026-04-30 Buy
Usbiological 285400 5-Nitrothiophene-2-carboxylic acid Asreported 6317-37-9 25g $375 2026-06-03 Buy
Usbiological 285400 5-Nitrothiophene-2-carboxylic acid Asreported 6317-37-9 50g $531 2026-06-03 Buy
Usbiological 285400 5-Nitrothiophene-2-carboxylic acid Asreported 6317-37-9 100g $744 2026-06-03 Buy
Product number Packaging Price Buy
N0940 5g $67 Buy
N0940 25g $265 Buy
285400 25g $375 Buy
285400 50g $531 Buy
285400 100g $744 Buy

5-Nitrothiophene-2-carboxylic acid Chemical Properties,Uses,Production

Chemical Properties

Solid

Uses

5-Nitrothiophene-2-carboxylic Acid is a reagent used in the preparation of benzothiophene amides which fuctions as nicotinamide ribosyltransferase inhibitors with potential antitumor and anticancer activities. It also functions as an intermediate in varying organic transformations.

Synthesis Reference(s)

Canadian Journal of Chemistry, 44, p. 2881, 1966 DOI: 10.1139/v66-428
Journal of Medicinal Chemistry, 34, p. 2112, 1991

Synthesis

5-NITROTHIOPHENE-2-CARBOXALDEHYDE

4521-33-9

5-Nitrothiophene-2-carboxylic acid

6317-37-9

General procedure for the synthesis of 5-nitrothiophene-2-carboxylic acid from 5-nitrothiophene-2-carboxaldehyde: 5-nitrothiophene-2-carboxaldehyde (1.685 g, 10.72 mmol) was dissolved in dioxane (30 mL) with sulfamic acid (1.249 g, 12.87 mmol) and cooled down to 0 °C. Subsequently, an aqueous solution of sodium chlorite (1.940 g, 21.44 mmol) was added slowly and dropwise (14 mL). The reaction mixture was gradually warmed to room temperature and stirred continuously for 2 hours. A second batch of 5-nitrothiophene-2-carbaldehyde (1.966 g, 12.51 mmol) was treated at the same molar ratio under the same conditions. The two reaction mixtures were combined and extracted by partitioning with ethyl acetate and water. The organic phase was extracted twice with 5% NaHCO3 solution and discarded. The basic aqueous phase was adjusted to pH=2 with 2N HCl and extracted twice with ethyl acetate. The organic layers were combined, washed with brine and dried over anhydrous sodium sulfate. The solvent was removed by concentration under reduced pressure to give 5-nitrothiophene-2-carboxylic acid (Int.53) (3.6 g, 20.79 mmol, MS/ESI+ 173.9 [MH]+).

References

[1] Patent: US4220793, 1980, A
[2] Patent: WO2004/18480, 2004, A1. Location in patent: Page 155
[3] Helvetica Chimica Acta, 2002, vol. 85, # 12, p. 4485 - 4517

4521-33-9
6317-37-9
Synthesis of 5-Nitrothiophene-2-carboxylic acid from 5-NITROTHIOPHENE-2-CARBOXALDEHYDE
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View Lastest Price from 5-Nitrothiophene-2-carboxylic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
5-Nitrothiophene-2-carboxylic acid  pictures 2026-08-20 5-Nitrothiophene-2-carboxylic acid
6317-37-9
$1.10 1g 99.00% 100 Tons Dideu Industries Group Limited
5-Nitrothiophene-2-carboxylic acid pictures 2024-11-26 5-Nitrothiophene-2-carboxylic acid
6317-37-9
1kg 98% 1 ton Nanjing Fred Technology Co., Ltd
5-nitrothiophene-2-carboxylic acid pictures 2022-03-11 5-nitrothiophene-2-carboxylic acid
6317-37-9
$750.00 1kg 98% 200kg Nanjing Qiangshan New Material Co.,Ltd.

5-Nitrothiophene-2-carboxylic acid Spectrum

RARECHEM AL BO 0544 5-Nitro-2-thenoic acid 5-NITRO-2-THIOPHENECARBOXYLIC ACID 5-NITROTHIOPHENE-2-CARBOXYLIC ACID BUTTPARK 121\04-13 5-Nitro-2-ThiphenecarboxylicAcid 5-nitro-2-thiophenecarboxylic 2-Carboxy-5-nitrothiophene 5-Nitro-2thiaphene-carboxylic acid 2-Thiophenecarboxylicacid, 5-nitro- 5 - nitro-thiophene 2-Carboxy-5-nitrothiophene, 5-Nitro-2-thenoic acid 5-Nitrothiophene-2-carboxylic Acid, 97+% 2-Carboxy-5-nitrothiophe 5-Nitro-2-thiophenecarboxylicAcid> 5-Nitrothiophene-2-carboxylic acid ISO 9001:2015 REACH 5-Nitrothiophene-2-carboxylic acid, 98%, 5-Nitrothiophene-2-carboxylicaci 6317-37-9 C5H3NO4S C5H3CNO4S C5H2NO4S Heterocyclic Building Blocks Building Blocks Thiophenes Carboxylic Acids Thiophenes & Benzothiophenes Building Blocks Heterocyclic Building Blocks Thiophenes Carboxylic Acids Thiophenes & Benzothiophenes Thiophene&Benzothiophene Heterocycles