Monobromobimane

Also known as: mBBr, MMB, Bromobimane, Thiolyte MB, Thiolyte Monobromobimane Reagent, 3-(Bromomethyl)-2,6,7-trimethyl-1H,5H-pyrazolo[1,2-a]pyrazole-1,5-dione

Monobromobimane (CAS 74235-78-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H11BrN2O2 and a molecular weight of 271.11100 g/mol. Key properties include a melting point of 152-154ºC(lit.) and a density of 1.66. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 74235-78-2
Jingsj CID: J-1122735-1
Molecular Formula: C₁₀H₁₁BrN₂O₂
Molecular Weight: 271.11100 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	152-154ºC(lit.)
Density	1.66
Exact Mass	270.00000
PSA	42.96000
LogP	1.01710

Frequently Asked Questions

What is the CAS number of Monobromobimane?

The CAS number of Monobromobimane is 74235-78-2.

What are the molecular formula and molecular weight of Monobromobimane?

Monobromobimane has molecular formula C10H11BrN2O2 and molecular weight 271.11100 g/mol.

What are the upstream and downstream products of Monobromobimane?

For Monobromobimane, Upstream Products: 2,3,6,7-Tetramethyl-1,5-diazabicyclo[3.3.0]octa-2,6-diene-4,8-dione, syn-(Methyl,methyl)bimane, Ethyl 2-methylacetoacetate.

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. "Monobromobimane (CAS 74235-78-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1122735-1 (accessed 2026-11-07).

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