5-Octyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione

Also known as: 5-Octylthieno[3,4-c]pyrrole-4,6-dione, 5-octyl-5H-thieno[3,4-c]pyrrole-4,6-dione, N-n-Octyl-3,4-thiophenedicarboximide, TPD-octyl, 4H-Thieno[3,4-c]pyrrole-4,6(5H)-dione, 5-octyl-

5-Octyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione (CAS 773881-43-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H19NO2S and a molecular weight of 265.371 g/mol. Key properties include a melting point of 122-126°C, a boiling point of 370.9±15.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 178.1±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 773881-43-9
Jingsj CID: J-1124496-5
Molecular Formula: C₁₄H₁₉NO₂S
Molecular Weight: 265.371 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	122-126°C
Boiling Point	370.9±15.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	178.1±20.4 °C
Exact Mass	265.113647
PSA	65.62000
LogP	4.95
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.553

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-Octyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione?

The CAS number of 5-Octyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione is 773881-43-9.

What are the molecular formula and molecular weight of 5-Octyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione?

5-Octyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione has molecular formula C14H19NO2S and molecular weight 265.371 g/mol.

What are the upstream and downstream products of 5-Octyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione?

For 5-Octyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione, Upstream Products: Thiophene-3,4-dicarboxylic acid, Octylamine, 1H,3H-Thieno[3,4-c]furan-1,3-dione; Downstream Products: 1,3-Dibromo-5-octyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione.

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-Octyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione (CAS 773881-43-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1124496-5 (accessed 2026-11-09).

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