4,5-Dibromo-1H-pyrrole-2-carbohydrazide

Also known as: 1H-Pyrrole-2-carboxylic acid, 4,5-dibromo-, hydrazide, 4,5-DIBROMO-1H-PYRROLE-2-CARBOHYDRAZIDE, 4,5-dibromopyrrole-2-carboxylic acid hydrazide, dibromopyrrolecarbohydrazide

4,5-Dibromo-1H-pyrrole-2-carbohydrazide (CAS 50371-65-8) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C5H5Br2N3O and a molecular weight of 282.92100 g/mol. Key properties include a melting point of 209-211ºC and a density of 2.216g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 50371-65-8
Jingsj CID: J-1459489-9
Molecular Formula: C₅H₅Br₂N₃O
Molecular Weight: 282.92100 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	209-211ºC
Density	2.216g/cm3
Exact Mass	280.88000
PSA	70.91000
LogP	2.23440
Refractive Index	1.686

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 4,5-Dibromo-1H-pyrrole-2-carbohydrazide?

The CAS number of 4,5-Dibromo-1H-pyrrole-2-carbohydrazide is 50371-65-8.

What are the molecular formula and molecular weight of 4,5-Dibromo-1H-pyrrole-2-carbohydrazide?

4,5-Dibromo-1H-pyrrole-2-carbohydrazide has molecular formula C5H5Br2N3O and molecular weight 282.92100 g/mol.

What are the upstream and downstream products of 4,5-Dibromo-1H-pyrrole-2-carbohydrazide?

For 4,5-Dibromo-1H-pyrrole-2-carbohydrazide, Upstream Products: 2,3-Dibromo-5-(trichloroacetyl)-1H-pyrrole, 2,2,2-Trichloro-1-(1H-pyrrol-2-yl)ethan-1-one.

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. "4,5-Dibromo-1H-pyrrole-2-carbohydrazide (CAS 50371-65-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1459489-9 (accessed 2026-11-09).

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