4-Aminopyridine
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- $7.62 - $4129.82
- Product name: 4-Aminopyridine
- CAS: 504-24-5
- MF: C5H6N2
- MW: 94.11
- EINECS:207-987-9
- MDL Number:MFCD00006439
- Synonyms:4-AMINOPYRIDINE,REAGENT;AMINOPYRIDINE, 4-(P);PARA-AMINOPYRIDINE;4-AMINO PYRIDINE PYRIDIN-4-YLAMINE;Phillips 1861;phillips1861 ;Pimadin (free base);Prc 1237
95 prices
Selected condition:
Brand
- Absolute Chiral
- Activate Scientific
- AHH
- AK Scientific
- American Custom Chemicals Corporation
- ApexBio Technology
- Apolloscientific
- Aronis compounds
- Atlantic Research Chemicals
- Azepine
- Biosynth
- BroadPharm
- Cayman Chemical
- Chemtos
- DC Chemicals
- Matrix Scientific
- Sigma-Aldrich
- SynQuest Laboratories
- TCI Chemical
- Thermo Scientific Chemicals
- Tocris
- TRC
- Usbiological
Package
- 1mg
- 5MG
- 10mg
- 100mg
- 200mg
- 250mg
- 1g
- 2.5g
- 5g
- 100
- 5x1g
- 10g
- 25g
- 50g
- 100g
- 250G
- 500g
- 2000g
- 5 g
- 25 g
- 100 g
- 1kg
- 1000g
- 10gm:
- 10mM(in 1mL H2O)
- ManufacturerAbsolute Chiral
- Product numberD1326-00-N
- Product description4-Aminopyridine 95%
- Packaging5g
- Price$18
- Updated2026-05-23
- Buy
- ManufacturerAbsolute Chiral
- Product numberD1326-00-N
- Product description4-Aminopyridine 95%
- Packaging5G
- Price$28
- Updated2021-12-16
- Buy
- ManufacturerActivate Scientific
- Product numberAS40387
- Product description4-Aminopyridine 95%
- Packaging5g
- Price$36
- Updated2026-06-04
- Buy
- ManufacturerActivate Scientific
- Product numberAS40387
- Product description4-Aminopyridine 95%
- Packaging1g
- Price$26
- Updated2026-06-04
- Buy
- ManufacturerAHH
- Product numberMT-41399
- Product description4-Aminopyridine 97%
- Packaging1000g
- Price$610
- Updated2021-12-16
- Buy
- ManufacturerAHH
- Product numberMT-41399
- Product description4-Aminopyridine 97%
- Packaging1000g
- Price$610
- Updated2026-05-25
- Buy
- ManufacturerAHH
- Product numberMT-41399
- Product description4-Aminopyridine 97%
- Packaging1000g
- Price$610
- Updated2026-05-26
- Buy
- ManufacturerAK Scientific
- Product numberA625
- Product description4-Aminopyridine 99%(GC)
- Packaging1g
- Price$18
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberJ94087
- Product description4-Aminopyridine 98%
- Packaging5g
- Price$20
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberJ94087
- Product description4-Aminopyridine
- Packaging5g
- Price$12
- Updated2021-12-16
- Buy
- ManufacturerAK Scientific
- Product numberJ94087
- Product description4-Aminopyridine 98%
- Packaging1g
- Price$13
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberA625
- Product description4-Aminopyridine 99%(GC)
- Packaging5g
- Price$29
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberA625
- Product description4-Aminopyridine 99%(GC)
- Packaging5x1g
- Price$50
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberA625
- Product description4-Aminopyridine 99%(GC)
- Packaging25g
- Price$55
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberA625
- Product description4-Aminopyridine 99%(GC)
- Packaging100g
- Price$133
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberJ94087
- Product description4-Aminopyridine 98%
- Packaging100g
- Price$95
- Updated2026-06-04
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| Absolute Chiral | D1326-00-N | 4-Aminopyridine 95% | 5g | $18 | 2026-05-23 | Buy |
| Absolute Chiral | D1326-00-N | 4-Aminopyridine 95% | 5G | $28 | 2021-12-16 | Buy |
| Activate Scientific | AS40387 | 4-Aminopyridine 95% | 5g | $36 | 2026-06-04 | Buy |
| Activate Scientific | AS40387 | 4-Aminopyridine 95% | 1g | $26 | 2026-06-04 | Buy |
| AHH | MT-41399 | 4-Aminopyridine 97% | 1000g | $610 | 2021-12-16 | Buy |
| AHH | MT-41399 | 4-Aminopyridine 97% | 1000g | $610 | 2026-05-25 | Buy |
| AHH | MT-41399 | 4-Aminopyridine 97% | 1000g | $610 | 2026-05-26 | Buy |
| AK Scientific | A625 | 4-Aminopyridine 99%(GC) | 1g | $18 | 2026-06-04 | Buy |
| AK Scientific | J94087 | 4-Aminopyridine 98% | 5g | $20 | 2026-06-04 | Buy |
| AK Scientific | J94087 | 4-Aminopyridine | 5g | $12 | 2021-12-16 | Buy |
| AK Scientific | J94087 | 4-Aminopyridine 98% | 1g | $13 | 2026-06-04 | Buy |
| AK Scientific | A625 | 4-Aminopyridine 99%(GC) | 5g | $29 | 2026-06-04 | Buy |
| AK Scientific | A625 | 4-Aminopyridine 99%(GC) | 5x1g | $50 | 2026-06-04 | Buy |
| AK Scientific | A625 | 4-Aminopyridine 99%(GC) | 25g | $55 | 2026-06-04 | Buy |
| AK Scientific | A625 | 4-Aminopyridine 99%(GC) | 100g | $133 | 2026-06-04 | Buy |
| AK Scientific | J94087 | 4-Aminopyridine 98% | 100g | $95 | 2026-06-04 | Buy |
Properties
Melting point :155-158 °C (lit.)
Boiling point :273 °C (lit.)
Density :1.26
vapor pressure :0.046Pa at 25℃
refractive index :1.5560 (estimate)
Flash point :156°C
storage temp. :2-8°C
solubility :H2O: soluble50mg/mL, clear, colorless
form :Crystalline Powder, Solid or Crystals
pka :9.114(at 25℃)
color :White to faint grey to light yellow
Water Solubility :Soluble in water(112 g/L at 20°C). Soluble in ethyl ether, benzene. Slightly soluble in ligroin. Very soluble in ethanol. Soluble in methanol, acetone, tetrahydrofuran, isopropanol, acetonitrile, N,N-dimethylformamide, dimethylsulfoxide, and ethanol.
Merck :14,3933
BRN :105782
Henry's Law Constant :4.3×104 mol/(m3Pa) at 25℃, HSDB (2015)
Stability :Hygroscopic
Major Application :agriculture
environmental InChI :1S/C5H6N2/c6-5-1-3-7-4-2-5/h1-4H,(H2,6,7)
InChIKey :NUKYPUAOHBNCPY-UHFFFAOYSA-N
SMILES :Nc1ccncc1
LogP :-0.76 at pH7.4
CAS DataBase Reference :504-24-5(CAS DataBase Reference)
NIST Chemistry Reference :4-Pyridinamine(504-24-5)
EPA Substance Registry System :4-Aminopyridine (504-24-5)
Boiling point :273 °C (lit.)
Density :1.26
vapor pressure :0.046Pa at 25℃
refractive index :1.5560 (estimate)
Flash point :156°C
storage temp. :2-8°C
solubility :H2O: soluble50mg/mL, clear, colorless
form :Crystalline Powder, Solid or Crystals
pka :9.114(at 25℃)
color :White to faint grey to light yellow
Water Solubility :Soluble in water(112 g/L at 20°C). Soluble in ethyl ether, benzene. Slightly soluble in ligroin. Very soluble in ethanol. Soluble in methanol, acetone, tetrahydrofuran, isopropanol, acetonitrile, N,N-dimethylformamide, dimethylsulfoxide, and ethanol.
Merck :14,3933
BRN :105782
Henry's Law Constant :4.3×104 mol/(m3Pa) at 25℃, HSDB (2015)
Stability :Hygroscopic
Major Application :agriculture
environmental InChI :1S/C5H6N2/c6-5-1-3-7-4-2-5/h1-4H,(H2,6,7)
InChIKey :NUKYPUAOHBNCPY-UHFFFAOYSA-N
SMILES :Nc1ccncc1
LogP :-0.76 at pH7.4
CAS DataBase Reference :504-24-5(CAS DataBase Reference)
NIST Chemistry Reference :4-Pyridinamine(504-24-5)
EPA Substance Registry System :4-Aminopyridine (504-24-5)
Safety Information
| Symbol(GHS): |
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Description
4-Aminopyridine (4-AP) is a non-selective blocker of voltage-dependent K+-channels (Kv proteins in the KCN gene family). It has greatest potency at Kv1 (KCNA) and Kv3 (KCNC) family members (IC50s = 290, 590, 195, 13, 29, and 100 μM for subunits 1.1, 1.2, 1.3, 1.4, 3.1, and 3.2, respectively). 4-AP also blocks Kv2 and Kv4 subunits at millimolar concentrations. When administered orally, 4-AP has benefits against multiple sclerosis, while injection into the brain produces epileptiform activity and can be used to study seizures.More related product prices
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Suppliers and manufacturers
Hebei Chuanghai Biotechnology Co,.LTD
Capot Chemical Co.,Ltd.
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ATK CHEMICAL COMPANY LIMITED
Hefei TNJ Chemical Industry Co.,Ltd.
NINGBO INNO PHARMCHEM CO., LTD.
Hangzhou Cyanochem Co., Ltd.
4-aminopyridine
CAS:504-24-5






