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D7148

Sigma-Aldrich

3,4-Diaminopyridine

≥98%

Synonym(s):

3,4-DAP, 4,5-Diaminopyridine, Amifampridine, DAP, Pyridine-4,5-diamine

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About This Item

Empirical Formula (Hill Notation):
C5H7N3
CAS Number:
Molecular Weight:
109.13
Beilstein:
110232
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

General description

3,4-Diaminopyridine, also known as Amifampridine, is a heterocyclic compounds commonly used as a building block during the used for synthesis of Imidazo[4,5-c]pyridine and Co(III) Schiff base complexes.

Application

3,4-Diaminopyridine can be used as a heterocyclic building block to prepare:      
  • Imidazo[4,5-c]pyridine, an important scaffold used for the preparation of CP-885316.     
  • 9-Azajulolidine derivatives, which are used as efficient organocatalysts for acylation and aza-Morita-Baylis-Hillman reaction.      
  • 2-Phenylpyrido[3,4-b]pyrazine by condensation reaction with α-methylsulfinylacetophenone in benzene/acetic acid as a solvent.

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Acute Tox. 3 Dermal - Eye Irrit. 2

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Monika Cecilija Žužek et al.
Toxicology letters, 281, 95-101 (2017-09-25)
The effects of natural polymeric alkylpyridinium salt (nPoly-3-APS), a potent acetylcholinesterase inhibitor isolated from the marine sponge Reniera sarai, were studied on isolated mouse phrenic nerve-hemidiaphragm muscle preparations using electrophysiological approaches. nPoly-3-APS inhibited nerve-evoked isometric muscle twitch and tetanic contraction
A G Smith et al.
Neurology, 46(4), 1143-1145 (1996-04-01)
Respiratory failure is a common manifestation of myasthenia gravis but is infrequent in Lambert-Eaton myasthenic syndrome (LEMS), where it is often related to the use of paralytic agents or intercurrent pulmonary pathology. Therapies that are effective acutely in myasthenia gravis
A Quartel et al.
Current medical research and opinion, 26(6), 1363-1375 (2010-04-10)
Lambert-Eaton myasthenic syndrome (LEMS) is a rare pre-synaptic auto-immune disorder of neuromuscular transmission that is characterised by proximal muscle weakness, depressed tendon reflexes and autonomic dysfunction. This review summarises the clinical symptoms, aetiology, diagnosis and treatment options for LEMS. Focus
Fujun Luo et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 31(31), 11268-11281 (2011-08-05)
We used high-resolution fluorescence imaging and single-pixel optical fluctuation analysis to estimate the opening probability of individual voltage-gated calcium (Ca(2+)) channels during an action potential and the number of such Ca(2+) channels within active zones of frog neuromuscular junctions. Analysis
Michael Keogh et al.
The Cochrane database of systematic reviews, (2)(2), CD003279-CD003279 (2011-02-18)
Lambert-Eaton myasthenic syndrome (LEMS) is an autoimmune disorder of neuromuscular transmission. Treatments attempt to overcome the harmful autoimmune process, or improve residual neuromuscular transmission The objective was to examine the efficacy of treatment in Lambert-Eaton myasthenic syndrome. We searched the

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