5-Nitrothiophene-2-carboxaldehyde

5-硝基噻吩-2-甲醛

Also known as: 5-Nitro-2-thiophenecarboxaldehyde, 5-Nitrothiophene-2-carbaldehyde, 2-Formyl-5-nitrothiophene, 5-Nitro-2-thienaldehyde, NSC 168226

5-Nitrothiophene-2-carboxaldehyde (CAS 4521-33-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3NO3S and a molecular weight of 157.147 g/mol. It is also known as 5-Nitro-2-thiophenecarboxaldehyde, 5-Nitrothiophene-2-carbaldehyde and 2-Formyl-5-nitrothiophene. Key properties include a melting point of 75-77 °C(lit.), a boiling point of 297.2±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 133.5±23.2 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

4521-33-9

Jingsj CID

J-1990982-8

Molecular Formula

C₅H₃NO₃S

Chinese Name

5-硝基噻吩-2-甲醛

Molecular Weight

157.147 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026