Dalfampridine

Dalfampridine (4-aminopyridine extended-release) is a broad-spectrum potassium-channel blocker that improves axonal conduction in demyelinated nerve fibres, used to improve walking speed in multiple sclerosis patients. Simson Pharma's Dalfampridine reference standard and impurities support stability-indicating testing for this neurological therapy.

Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) supply high-quality Dalfampridine Reference Standards, pharmacopoeial reference materials, and its related impurities to pharmaceutical manufacturers, CROs, analytical laboratories, universities, and regulatory organizations worldwide. To service the Europe and America market efficiently, Simson Pharma Limited has set up Simson Pharma Global Ltd. in United Kingdom and Simson Pharma Global LLC in USA respectively.

Pharmaceutical Reference Standards / Impurity Standards

Dalfampridine
Dalfampridine
  • CAT. No.D190000
  • CAS. No.504-24-5
  • Mol. F.C5H6N2
  • Mol. W.94.11 g/mol
  • Stock Status:Instock
Product View
Product Compare
Dalfampridine N-Oxide
Dalfampridine N-Oxide
  • CAT. No.D190002
  • CAS. No.3535-75-9
  • Mol. F.C5H6N2O
  • Mol. W.110.12 g/mol
  • Stock Status:Instock
Product View
Product Compare
4-Amino-3-Hydroxypyridine
4-Amino-3-Hydroxypyridine
  • CAT. No.D190004
  • CAS. No.52334-53-9
  • Mol. F.C5H6N2O
  • Mol. W.110.11 g/mol
  • Stock Status:Instock
Product View
Product Compare
4-Amino-3-Hydroxypyridine
4-Amino-3-Hydroxypyridine
  • CAT. No.D190004A
  • CAS. No.52334-53-9
  • Mol. F.C5H6N2O
  • Mol. W.110.11 g/mol
  • Stock Status:Instock
Product View
Product Compare
4-Amino-3-Hydroxypyridine Sulfate
4-Amino-3-Hydroxypyridine Sulfate
  • CAT. No.D190004B
  • CAS. No.100130-15-2
  • Mol. F.C5H6N2O4S
  • Mol. W.190.18 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Dalfampridine methylene Bridge Impurity
Dalfampridine methylene Bridge Impurity
  • CAT. No.D190005
  • CAS. No.4589-32-6
  • Mol. F.C11H12N4
  • Mol. W.200.24 g/mol
  • Stock Status:Instock
Product View
Product Compare
N-(4-pyridyl)-2-hydroxy butyramide
N-(4-pyridyl)-2-hydroxy butyramide
  • CAT. No.D190006
  • CAS. No.1864897-67-5
  • Mol. F.C9H12N2O2
  • Mol. W.180.20 g/mol
  • Stock Status:Instock
Product View
Product Compare
N,N`-Di(4-pyridinyl)methanediamine
N,N`-Di(4-pyridinyl)methanediamine
  • CAT. No.D190007
  • CAS. No.4589-32-6
  • Mol. F.C11H12N4
  • Mol. W.200.24 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
1,2-Bis(4-pyridyl)hydrazine
1,2-Bis(4-pyridyl)hydrazine
  • CAT. No.D190008
  • CAS. No.19808-51-6
  • Mol. F.C10H10N4
  • Mol. W.186.21 g/mol
  • Stock Status:Instock
Product View
Product Compare
4,4'-Azopyridine
4,4'-Azopyridine
  • CAT. No.D190009
  • CAS. No.2632-99-7
  • Mol. F.C10H8N4
  • Mol. W.184.20 g/mol
  • Stock Status:Instock
Product View
Product Compare
N-(4-Pyridyl)-3,4-dihydroxybutyramide
N-(4-Pyridyl)-3,4-dihydroxybutyramide
  • CAT. No.D190010
  • CAS. No.1246818-25-6
  • Mol. F.C9H12N2O3
  • Mol. W.196.20 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Dalfampridine Related Compound A
Dalfampridine Related Compound A
  • CAT. No.D190011
  • CAS. No.3535-75-9
  • Mol. F.C5H6N2O
  • Mol. W.110.12 g/mol
  • Stock Status:Limited Stock
Product View
Product Compare
Fampridine N-Oxide Hydrochloride
Fampridine N-Oxide Hydrochloride
  • CAT. No.D190011A
  • CAS. No.1433-03-0
  • Mol. F.C5H6N2O.HCl
  • Mol. W.146.57 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
1,3-Di-(pyridin-4-yl)urea
1,3-Di-(pyridin-4-yl)urea
  • CAT. No.D190012
  • CAS. No.39642-87-0
  • Mol. F.C11H10N4O
  • Mol. W.214.22 g/mol
  • Stock Status:Instock
Product View
Product Compare
Hydrazine Fampridine
Hydrazine Fampridine
  • CAT. No.D190013
  • CAS. No.19808-51-6
  • Mol. F.C10H10N4
  • Mol. W.186.22 g/mol
  • Stock Status:Instock
Product View
Product Compare
Dalfampridine Related Compound B
Dalfampridine Related Compound B
  • CAT. No.D190014
  • CAS. No.84539-34-4
  • Mol. F.C5H4Br2N2
  • Mol. W.251.91 g/mol
  • Stock Status:Instock
Product View
Product Compare
N-Chloroisonicotinamide
N-Chloroisonicotinamide
  • CAT. No.D190016
  • CAS. No.125583-33-7
  • Mol. F.C6H5ClN2O
  • Mol. W.156.57 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Dalfampridine Impurity 2
Dalfampridine Impurity 2
  • CAT. No.D190017
  • CAS. No.52382-48-6
  • Mol. F.C10H10N4
  • Mol. W.186.20 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Dalfampridine Impurity 5
Dalfampridine Impurity 5
  • CAT. No.D190018
  • CAS. No.NA
  • Mol. F.C5H6N2.H3O4P
  • Mol. W.192.11 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Dalfampridine Methylene Bridge Nitroso Impurity
Dalfampridine Methylene Bridge Nitroso Impurity
  • CAT. No.D190019
  • CAS. No.NA
  • Mol. F.C11H11N5O
  • Mol. W.229.24 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Dalfampridine Methylene Bridge Dinitroso Impurity
Dalfampridine Methylene Bridge Dinitroso Impurity
  • CAT. No.D190020
  • CAS. No.NA
  • Mol. F.C11H10N6O2
  • Mol. W.258.24 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare

Isotope Labelled Compounds

Dalfampridine-D4
Dalfampridine-D4
  • CAT. No.D190001
  • CAS. No.NA
  • Mol. F.C5H2D4N2
  • Mol. W.98.14 g/mol
  • Stock Status:Instock
Product View
Product Compare
Dalfampridine-D6
Dalfampridine-D6
  • CAT. No.D190003
  • CAS. No.45498-20-2
  • Mol. F.C5D6N2
  • Mol. W.100.11 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Fampridine-D4
Fampridine-D4
  • CAT. No.D190015
  • CAS. No.504-24-5
  • Mol. F.C5H2D4N2
  • Mol. W.98.14 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare