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Screening compounds

Mtmb-4

Also known as 1,1'-(2-Methyltrimethylene)bis(4-formylpyridinium) dibromide dioxime, Pyridinium, 1,1'-(2-methyltrimethylene)bis(4-formyl-, dibromide, dioxime

CAS 4661-75-0Formula C16H20Br2N4O2Molar mass 460.17 g/mol
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Mtmb-4 chemical structure, C16H20Br2N4O2, CAS 4661-75-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4661-75-0
Formula
C16H20Br2N4O2
Molar mass
460.17 g/mol
HS code
293339
Category
Screening compounds

What is Mtmb-4?

Plain description, key identifiers and synonyms

Mtmb-4 is a chemical substance with the molecular formula C16H20Br2N4O2 and a molar mass of 460.17 g/mol. Its CAS registry number is 4661-75-0. The IUPAC name is (NE)-N-[[1-[3-[4-[(E)-hydroxyiminomethyl]pyridin-1-ium-1-yl]-2-methylpropyl]pyridin-1-ium-4-yl]methylidene]hydroxylamine dibromide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(NE)-N-[[1-[3-[4-[(E)-hydroxyiminomethyl]pyridin-1-ium-1-yl]-2-methylpropyl]pyridin-1-ium-4-yl]methylidene]hydroxylamine dibromide
CAS number
4661-75-0 CAS number cross-checked
Molecular formula
C16H20Br2N4O2
InChIKey
AUDOYECSAQQCBD-UHFFFAOYSA-N
InChI
InChI=1S/C16H18N4O2.2BrH/c1-14(12-19-6-2-15(3-7-19)10-17-21)13-20-8-4-16(5-9-20)11-18-22;;/h2-11,14H,12-13H2,1H3;2*1H
SMILES
CC(C[N+]1=CC=C(C=C1)/C=N/O)C[N+]2=CC=C(C=C2)/C=N/O.[Br-].[Br-]

Synonyms

  • 1,1'-(2-Methyltrimethylene)bis(4-formylpyridinium) dibromide dioxime
  • Pyridinium, 1,1'-(2-methyltrimethylene)bis(4-formyl-, dibromide, dioxime

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
460.17 g/molcalc.
Exact mass
457.9953 Dacalc.
LogP (octanol/water)
-4.78calc.
Topological polar surface area
72.94 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
6calc.
Heavy atoms
24calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.25calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.
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, c1cc[n+](CCC[n+]2ccccc2)cc1

c1cc[n+](CCC[n+]2ccccc2)cc1

2 rings, 15 atoms.

35 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.

Mtmb-4 suppliers

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Mtmb-4 price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

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 Mtmb-4 is traded under.

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure…

World exports in 2024
$9.16B
−17.9% vs 2023, imports $10.6B
2019 to 2024
Top exporters
  1. China21.5%
  2. India * partner reported12.3%
  3. Ireland11.6%
Top importers
  1. Germany14.2%
  2. United States12.8%
  3. Brazil10.1%

* Partner reported figures, a lower bound.

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

The HS code shown for Mtmb-4 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Mtmb-4, based on the data on this page

What is Mtmb-4?

Mtmb-4 is a chemical substance with the molecular formula C16H20Br2N4O2 and a molar mass of 460.17 g/mol. Its CAS registry number is 4661-75-0. The IUPAC name is (NE)-N-[[1-[3-[4-[(E)-hydroxyiminomethyl]pyridin-1-ium-1-yl]-2-methylpropyl]pyridin-1-ium-4-yl]methylidene]hydroxylamine dibromide.

What is the CAS number of Mtmb-4?

The CAS registry number of Mtmb-4 is 4661-75-0.

What is the molecular formula and weight of Mtmb-4?

The molecular formula of Mtmb-4 is C16H20Br2N4O2 and its molar mass is 460.17 g/mol.

What is Mtmb-4 used for?

Known uses and roles of Mtmb-4 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Mtmb-4 hazardous?

No GHS hazard classification for Mtmb-4 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 Mtmb-4?

Mtmb-4 is usually classified under HS code 293339 (Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Mtmb-4?

Post a free request on CompoundList and suppliers of Mtmb-4 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Mtmb-4?

Suppliers quote Mtmb-4 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 Mtmb-4

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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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