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Fluorescent dyes and stains

Monobromobimane

Also known as Bromobimane, MBBR, Thiolyte MB

CAS 71418-44-5Formula C10H11BrN2O2Molar mass 271.11 g/mol
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Monobromobimane chemical structure, C10H11BrN2O2, CAS 71418-44-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
71418-44-5
Formula
C10H11BrN2O2
Molar mass
271.11 g/mol
HS code
293399
Category
Fluorescent dyes and stains

What is Monobromobimane?

Plain description, key identifiers and synonyms

Monobromobimane is a pyrazolopyrazole that consists of 1H,7H-pyrazolo[1,2-a]pyrazole-1,7-dione bearing three methyl substituents at positions 2, 5 and 6 as well as a bromomethyl substituent at the 3-position. It has a role as a fluorochrome. It is an organobromine compound and a pyrazolopyrazole.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
7-(bromomethyl)-1,2,6-trimethylpyrazolo[1,2-a]pyrazole-3,5-dione
CAS number
71418-44-5 CAS number cross-checked
Molecular formula
C10H11BrN2O2
UNII
V23UK0CYXL
MDL number
MFCD00036951
InChIKey
AHEWZZJEDQVLOP-UHFFFAOYSA-N
InChI
InChI=1S/C10H11BrN2O2/c1-5-7(3)12-8(4-11)6(2)10(15)13(12)9(5)14/h4H2,1-3H3
SMILES (canonical and isomeric)
CC1=C(N2C(=C(C(=O)N2C1=O)C)CBr)C

Synonyms

  • Bromobimane
  • MBBR
  • Thiolyte MB
  • Bimane monobromide
  • 3-(bromomethyl)-2,5,6-trimethyl-1H,7H-pyrazolo[1,2-a]pyrazole-1,7-dione
  • 1H,7H-Pyrazolo(1,2-a)pyrazole-1,7-dione, 3-(bromomethyl)-2,5,6-trimethyl-
  • 3-(Bromomethyl)-2,5,6-trimethyl-1H,7H-pyrazolo(1,2-a)pyrazole-1,7-dione
  • 3-(bromomethyl)-2,5,6-trimethyl-1H,7H-(1,2)diazolo(1,2-a)pyrazole-1,7-dione
  • 3-(Bromomethyl)-2,5,6-trimethylpyrazolo[1,2-a]pyrazole-1,7-dione
  • 7-(bromomethyl)-1,2,6-trimethylpyrazolo[1,2-a]pyrazole-3,5-dione
  • Bromobimane?
  • monobromo-bimane
  • Bromobimane, >=97%
  • 9,methyl)(methyl,methyl)bimane
  • 7-(bromomethyl)-1,2,6-trimethyl-pyrazolo[1,2-a]pyrazole-3,5-dione
  • Bromobimane, BioReagent, suitable for fluorescence, >=95% (HPCE)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
271.11 g/molcalc.
Exact mass
270.0004 Dacalc.
LogP (octanol/water)
1.02calc.
Topological polar surface area
42.96 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
15calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.4calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=c1ccn2ccc(=O)n12

O=c1ccn2ccc(=O)n12

2 rings, 10 atoms, the 1H,7H-Pyrazolo(1,2-a)pyrazole-1,7-dione ring system.

18 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Monobromobimane suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 7 suppliers
7 of 7 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

7 suppliers in 5 countries

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Monobromobimane price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Fluorescent Dyes

Roles

  • dye
  • fluorescent dye
  • fluorochrome

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Monobromobimane is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Monobromobimane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Monobromobimane, based on the data on this page

What is Monobromobimane?

Monobromobimane is a pyrazolopyrazole that consists of 1H,7H-pyrazolo[1,2-a]pyrazole-1,7-dione bearing three methyl substituents at positions 2, 5 and 6 as well as a bromomethyl substituent at the 3-position. It has a role as a fluorochrome. It is an organobromine compound and a pyrazolopyrazole.

What is the CAS number of Monobromobimane?

The CAS registry number of Monobromobimane is 71418-44-5.

What is the molecular formula and weight of Monobromobimane?

The molecular formula of Monobromobimane is C10H11BrN2O2 and its molar mass is 271.11 g/mol.

What is Monobromobimane used for?

Known uses and roles of Monobromobimane include fluorescent probes in research and laboratory, dye, fluorescent dye, fluorochrome and fluorescent dyes.

Is Monobromobimane hazardous?

No GHS hazard classification for Monobromobimane is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Monobromobimane?

Monobromobimane is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Monobromobimane?

CompoundList lists 7 suppliers of Monobromobimane in China, United States, Canada, Germany and 1 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Monobromobimane?

Suppliers quote Monobromobimane on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Monobromobimane

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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