CompoundList

Mdepap

Also known as 1-Methyl-4-(4-diethylaminophenylazo)pyridinium Iodide, N,N-diethyl-4-[(1-methylpyridin-1-ium-4-yl)diazenyl]aniline, iodide, MDEPAP (1-Methyl-4-(4-diethylaminophenylazo)pyridinium iodide)

CAS 74920-80-2Formula C16H21IN4Molar mass 396.28 g/mol
Mdepap chemical structure, C16H21IN4, CAS 74920-80-2
2D chemical structure

Key facts

What buyers check first

CAS number
74920-80-2
Formula
C16H21IN4
Molar mass
396.28 g/mol
HS code
293339
Category
Screening compounds

What is Mdepap?

Plain description, key identifiers and synonyms

Mdepap is a chemical substance with the molecular formula C16H21IN4 and a molar mass of 396.28 g/mol. Its CAS registry number is 74920-80-2. The IUPAC name is N,N-diethyl-4-[(1-methylpyridin-1-ium-4-yl)diazenyl]aniline iodide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N,N-diethyl-4-[(1-methylpyridin-1-ium-4-yl)diazenyl]aniline iodide
CAS number
74920-80-2 CAS number cross-checked
Molecular formula
C16H21IN4
MDL number
MFCD00082424
InChIKey
FBXMWVQMHYGKQY-UHFFFAOYSA-M
InChI
InChI=1S/C16H21N4.HI/c1-4-20(5-2)16-8-6-14(7-9-16)17-18-15-10-12-19(3)13-11-15;/h6-13H,4-5H2,1-3H3;1H/q+1;/p-1
SMILES (canonical and isomeric)
CCN(CC)C1=CC=C(C=C1)N=NC2=CC=[N+](C=C2)C.[I-]

Synonyms

  • 1-Methyl-4-(4-diethylaminophenylazo)pyridinium Iodide
  • N,N-diethyl-4-[(1-methylpyridin-1-ium-4-yl)diazenyl]aniline, iodide
  • MDEPAP (1-Methyl-4-(4-diethylaminophenylazo)pyridinium iodide)
  • N,N-diethyl-4-(1-methylpyridin-1-ium-4-yl)azo-aniline, iodide
  • 4-{(E)-[4-(Diethylamino)phenyl]diazenyl}-1-methylpyridin-1-ium iodide

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
396.28 g/molcalc.
Exact mass
396.0811 Dacalc.
LogP (octanol/water)
0.78calc.
Topological polar surface area
31.84 ร…ยฒcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
5calc.
Heavy atoms
21calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.31calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
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, c1ccc(N=Nc2ccncc2)cc1

c1ccc(N=Nc2ccncc2)cc1

2 rings, 14 atoms, the 4-(2-Phenyldiazenyl)pyridine ring system.

41 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.

Mdepap suppliers

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Mdepap 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 Mdepap is traded under.

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structureโ€ฆ

World exports in 2024
$9.16B
โˆ’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 Mdepap is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Guides for buyers

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

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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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