2,3,4-Trimethyl-1H-pyrrole

Also known as: 1H-Pyrrole, 2,3,4-trimethyl-, 2,3,4-Trimethylpyrrole, 2,3,4-Trimethyl-pyrrol, 2,3,4-trimethyl pyrrole, 2,3,4-trimethyl-1H-pyrrol

2,3,4-Trimethyl-1H-pyrrole (CAS 3855-78-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C7H11N and a molecular weight of 109.16900 g/mol. Key properties include a boiling point of 709.7ºC at 760 mmHg, a density of 1.28g/cm3 and a flash point of 383ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3855-78-5
Jingsj CID: J-1095846-0
Molecular Formula: C₇H₁₁N
Molecular Weight: 109.16900 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	709.7ºC at 760 mmHg
Density	1.28g/cm3
Flash Point	383ºC
Exact Mass	109.08900
PSA	15.79000
LogP	1.93990
Refractive Index	1.64

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 2,3,4-Trimethyl-1H-pyrrole?

The CAS number of 2,3,4-Trimethyl-1H-pyrrole is 3855-78-5.

What are the molecular formula and molecular weight of 2,3,4-Trimethyl-1H-pyrrole?

2,3,4-Trimethyl-1H-pyrrole has molecular formula C7H11N and molecular weight 109.16900 g/mol.

What are the upstream and downstream products of 2,3,4-Trimethyl-1H-pyrrole?

For 2,3,4-Trimethyl-1H-pyrrole, Upstream Products: Ethyl 3,4,5-trimethyl-1H-pyrrole-2-carboxylate, Ethyl 4-formyl-3,5-dimethyl-1H-pyrrole-2-carboxylate, Bilirubin; Downstream Products: 3,4,5-Trimethyl-1H-pyrrole-2-carbaldehyde, 2,3,4,5-tetramethyl-1H-pyrrole, 3,4-dimethyl-1H-pyrrole-2,5-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. "2,3,4-Trimethyl-1H-pyrrole (CAS 3855-78-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1095846-0 (accessed 2026-11-09).

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