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Merck
CN

D7148

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:
54-96-6
Molecular Weight:
109.13
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
57654120
EC Number:
200-220-9
Beilstein/REAXYS Number:
110232
MDL number:
MFCD00006401
Assay:
≥98%
Form:
powder

Key Documents

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InChI key

OYTKINVCDFNREN-UHFFFAOYSA-N

InChI

1S/C5H7N3/c6-4-1-2-8-3-5(4)7/h1-3H,7H2,(H2,6,8)

SMILES string

Nc1ccncc1N

assay

≥98%

form

powder

Quality Level

100

Gene Information

human ... KCNA1(3736), KCNA10(3744), KCNA2(3737), KCNA3(3738), KCNA4(3739), KCNA5(3741), KCNA6(3742), KCNA7(3743), KCNB1(3745), KCNB2(9312), KCNC1(3746), KCNC2(3747), KCNC3(3748), KCNC4(3749), KCND1(3750), KCND2(3751), KCND3(3752), KCNF1(3754), KCNG1(3755), KCNG2(26251), KCNG3(170850), KCNG4(93107), KCNH1(3756), KCNH2(3757), KCNH3(23416), KCNH4(23415), KCNH5(27133), KCNH6(81033), KCNH7(90134), KCNH8(131096), KCNQ1(3784), KCNQ2(3785), KCNQ3(3786), KCNQ4(9132), KCNQ5(56479), KCNS1(3787), KCNS2(3788), KCNS3(3790), KCNV1(27012), KCNV2(169522)

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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
GHS06

signalword

Danger

Hazard Classifications

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

Storage Class

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

wgk

WGK 3

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
BCCL5276
BCCH4243
BCCD6340
BCCB1729
BCBZ9128

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Raman Tandon et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 19(20), 6435-6442 (2013-03-19)
New heterocyclic derivatives of 9-azajulolidine have been synthesized and characterized with respect to their nucleophilicity and Lewis basicity. The Lewis basicity of these bases as quantified through their theoretically calculated methyl-cation affinities correlate well with the experimentally measured reaction rates
Synthesis of 2-Arylpyrido [3, 4-b] pyrazine Derivatives through Condensation of 3, 4-Diaminopyridine with ?-Keto Sulfoxides
Kano S and Yuasa Y
Journal of Heterocyclic Chemistry, 20(3), 769-770 (1983)
Regioselective Synthesis of an Imidazo [4, 5-c] pyridine through Selective Acylation of 3, 4-Diaminopyridine: Synthesis of CP-885,316
Caron S, et al.
Organic Process Research & Development, 10(2), 257-261 (2006)
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
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
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