4-Amino-2-hydroxy-5-methylpyridine
- CAS No.
- 95306-64-2
- Chemical Name:
- 4-Amino-2-hydroxy-5-methylpyridine
- Synonyms
- 4-AMino-5-Methylpyridin-2(1H)-one;4-amino-5-methyl-1H-pyridin-2-one;4-AMino-5-Methylpyridin-2-ol;Finerenone Impurity A;Finerenone intermediate;4-amino-5-methylpyridone;4-Amino-5-methylpyridine-2-ol;4-Amino-2-hydroxy-5-methylpyridine;4-amino-5-methyl-1,2-dihydropyridin-2-one;Degarelix Impurity 4
- CBNumber:
- CB02507291
- Molecular Formula:
- C6H8N2O
- Molecular Weight:
- 124.14
- MDL Number:
- MFCD12546373
- MOL File:
- 95306-64-2.mol
- MSDS File:
- SDS
| Boiling point | 291.0±33.0℃ (760 Torr) |
|---|---|
| Density | 1.137±0.06 g/cm3 (20 ºC 760 Torr) |
| vapor pressure | 0-0Pa at 20-50℃ |
| Flash point | 129.8±25.4℃ |
| storage temp. | 2-8°C(protect from light) |
| pka | 11.90±0.10(Predicted) |
| Appearance | White to off-white Solid |
| InChI | InChI=1S/C6H8N2O/c1-4-3-8-6(9)2-5(4)7/h2-3H,1H3,(H3,7,8,9) |
| InChIKey | SSQZBQXJYGNUSC-UHFFFAOYSA-N |
| SMILES | C1(=O)NC=C(C)C(N)=C1 |
| LogP | -0.51 at 20℃ and pH6.3 |
| CAS DataBase Reference | 95306-64-2 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H302-H315-H319-H335 |
| Precautionary statements | P261-P305+P351+P338 |
| REACH Registrations | Active |
4-Amino-2-hydroxy-5-methylpyridine price More Price(38)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Biosynth | FA16237 | 4-Amino-5-methyl-2(1H)-pyridinone | 95306-64-2 | 0.002kg | $150 | 2026-06-04 | Buy |
| Biosynth | FA16237 | 4-Amino-5-methyl-2(1H)-pyridinone | 95306-64-2 | 0.001kg | $150 | 2026-06-04 | Buy |
| Biosynth | FA16237 | 4-Amino-5-methyl-2(1H)-pyridinone | 95306-64-2 | 0.005kg | $226.75 | 2026-06-04 | Buy |
| Biosynth | FA16237 | 4-Amino-5-methyl-2(1H)-pyridinone | 95306-64-2 | 0.01kg | $362.8 | 2026-06-04 | Buy |
| Activate Scientific | AS42316 | 4-Amino-5-methylpyridin-2-ol 98% | 95306-64-2 | 1g | $23 | 2026-06-04 | Buy |
4-Amino-2-hydroxy-5-methylpyridine Chemical Properties, Uses, Production
Description
4-Amino-2-hydroxy-5-methylpyridine belongs to the pyridine derivatives and is significantly alkaline. Its alcoholic hydroxyl group can undergo corresponding nucleophilic substitution reactions under alkaline conditions. It can be used as a material in organic synthesis and medicinal chemistry. The intermediate is used for the modification and production of drug molecules.
Chemical Properties
4-Amino-5-methyl-2-hydroxypyridine is insoluble in water and soluble in strong polar organic solvents. It has an amino group in its structure and therefore exhibits significant basicity. The carbonyl group in the structure can be considered to exist in an enolic form, and its alcoholic hydroxyl group can undergo the corresponding nucleophilic substitution reaction under basic conditions.
Uses
4-Amino-2-hydroxy-5-methylpyridine has been used as a reactant for the synthesis of finerenone, a selective mineralocorticoid receptor (MR) antagonist to be used to lower the risk of severe kidney and heart problems.
Synthesis
4-Amino-2-hydroxy-5-methylpyridine, dissolved in ethylene glycol, could be a starting material to synthesize 4-AMino-5-Methylpyridin-2-ol. The crude product could be precipitated by adding hydrochloric acid/methanol solution.
4-Amino-2-hydroxy-5-methylpyridine Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Jinan XuanDe Chemical Co., Ltd. | 0531-88803958 19862127196 | zhangxu@shiningpharm.com | China | 202 | 58 |
| Hangzhou Chemtrue Bio-Tech Co.,Ltd. | 19967494293 | sales@chemtrue-bio.com | China | 303 | 58 |
| Hangzhou Cheminspire Technology Co., Ltd. | 0571-89081561; 10006559855 | info@cheminspire.com | China | 412 | 58 |
| Shandong Sihuan Pharmaceutical Co., Ltd. | 0531-88993893 13335127975 | fairouz@sdsihuanpharm.com | China | 79 | 58 |
| Shandong Xuanshuo Pharmaceutical Technology Co. LTD | 15269103900 | suchangzhou@shiningpharm.com | China | 384 | 58 |
| Nanjing Vcare PharmaTech Co., Ltd | 025-58741518 13327700685 | sales@vcarepharmatech.com | China | 483 | 58 |
| Shanghai Arbor Chemical Co., Ltd. | 021-60451683 15021268886 | sales@arborchemical.com | China | 837 | 55 |
| ZHUHAI HRD PHARMACEUTICAL CO., LTD. | 7737188 13326687259 | sales@hrdpharm.com | China | 141 | 58 |
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Beijing HwrkChemical Technology Co., Ltd | 89508211 18501085097 | sales.bj@hwrkchemical.com | China | 9407 | 55 |
View Latest Price from 4-Amino-2-hydroxy-5-methylpyridine manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-09-16 | 4-Amino-2-hydroxy-5-methylpyridine
95306-64-2
|
100gm | 99%min | 100kgs | Shanghai Yongzeng Technology Co.,Ltd | ||
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2026-09-03 | 4-Amino-2-hydroxy-5-methylpyridine
95306-64-2
|
1kg | ≥98% by HPLC | 100kg/month | Zison Pharmaceutical (Shandong) Co., Ltd. | ||
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2026-09-02 | 4-AMino-5-Methylpyridin-2(1H)-one
95306-64-2
|
$3.00-10.00 | 1kg | 99% | Henan Fengda Chemical Co., Ltd |
-

- 4-Amino-2-hydroxy-5-methylpyridine
95306-64-2
- $0.00
- 99%min
- Shanghai Yongzeng Technology Co.,Ltd
-

- 4-Amino-2-hydroxy-5-methylpyridine
95306-64-2
- ≥98% by HPLC
- Zison Pharmaceutical (Shandong) Co., Ltd.
-

- 4-AMino-5-Methylpyridin-2(1H)-one
95306-64-2
- $3.00-10.00
- 99%
- Henan Fengda Chemical Co., Ltd







