The 3-Thiophenecarboxylicacid, 2,5-dichloro-, with the CAS registry number 36157-41-2, has the systematic name and IUPAC name of 2,5-dichlorothiophene-3-carboxylic acid. It belongs to the following product categories: Halogenated Heterocycles; Heterocyclic Building Blocks; Thiophenes; ThiophenesBuilding Blocks. And the molecular formula of the chemical is C₅H₂Cl₂O₂S.

The characteristics of 3-Thiophenecarboxylicacid, 2,5-dichloro- are as followings: (1)ACD/LogP: 2.76; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.67; (4)ACD/LogD (pH 7.4):  ; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 6.05; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 54.54 Å²; (13)Index of Refraction: 1.636; (14)Molar Refractivity: 41.35 cm³; (15)Molar Volume: 115.3 cm³; (16)Polarizability: 16.39×10^-24cm³; (17)Surface Tension: 62.4 dyne/cm; (18)Density: 1.708 g/cm³; (19)Flash Point: 133.2 °C; (20)Enthalpy of Vaporization: 56.64 kJ/mol; (21)Boiling Point: 296.6 °C at 760 mmHg; (22)Vapour Pressure: 0.000641 mmHg at 25°C. 

You should be cautious while dealing with this chemical. It is harmful if swallowed, and irritates to eyes, respiratory system and skin. Therefore, you had better take the following instructions: Wear suitable protective clothing, and if in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: Clc1sc(Cl)c(C(=O)O)c1
(2)InChI: InChI=1/C5H2Cl2O2S/c6-3-1-2(5(8)9)4(7)10-3/h1H,(H,8,9)
(3)InChIKey: FBUUZRITKBLZJX-UHFFFAOYAX