5-Phenylthiophene-2-carbaldehyde

Also known as: 2-Thiophenecarboxaldehyde, 5-phenyl-, 2-phenylthiophene-5-carboxaldehyde, 5-Phenyl-2-thiophenecarbaldehyde, 5-Phenylthiophene-2-carboxaldehyde, 5-formyl-2-phenylthiophene, 5-phenylthien-2-ylcarboxaldehyde, 5-phenylthiophene-2-carboxyaldehyde, AKOS BAR-0518

5-Phenylthiophene-2-carbaldehyde (CAS 19163-21-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H8OS and a molecular weight of 188.246 g/mol. Key properties include a melting point of 92-95 °C(lit.), a boiling point of 340.0±30.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 127.0±11.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 19163-21-4
Jingsj CID: J-1055990-7
Molecular Formula: C₁₁H₈OS
Molecular Weight: 188.246 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	92-95 °C(lit.)
Boiling Point	340.0±30.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	127.0±11.8 °C
Exact Mass	188.029587
PSA	45.31000
LogP	2.90
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.638

Customs & Trade Information

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

Frequently Asked Questions

What is the CAS number of 5-Phenylthiophene-2-carbaldehyde?

The CAS number of 5-Phenylthiophene-2-carbaldehyde is 19163-21-4.

What are the molecular formula and molecular weight of 5-Phenylthiophene-2-carbaldehyde?

5-Phenylthiophene-2-carbaldehyde has molecular formula C11H8OS and molecular weight 188.246 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "5-Phenylthiophene-2-carbaldehyde (CAS 19163-21-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1055990-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.