Ethyl 7-hydroxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylate CAS 56423-99-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 56423-99-5 |
| Molecular Formula | C9H10N4O3 |
| Molecular Weight | 222.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 7-hydroxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylate (CAS 56423-99-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H10N4O3. Molecular weight: 222.20 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H10N4O3 |
| Molecular Weight | 222.20 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 4 |
Related Ethyl Standards
- Ethyl 2-(4-hydroxy-1h-pyrazolo[3,4-d]pyrimidin-1-yl)acetate (CAS 1170524-95-4)
- 5-Hydroxy-3,3-dimethyl-6-nitroindolin-2-one (CAS 120791-71-1)
- 1-(7-Hydroxy-2-(methoxymethyl)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)ethan-1-one (CAS 1211450-09-7)
- 2-(6-Hydroxy-5-methoxy-2h-indazol-3-yl)acetic acid (CAS 1306606-54-1)
- 3-(8-Hydroxy-6-methyl-[1,2,4]triazolo[4,3-b]pyridazin-7-yl)propanoic acid (CAS 1401319-34-3)
- 6-Hydroxy-2-phenylpyrimidine-4,5-dicarbonitrile (CAS 887585-44-6)
- 6-Hydroxy-4-methoxybenzofuran-5-carbohydrazide (CAS 34086-81-2)
- Ethyl 2-(7-hydroxy-[1,2,4]triazolo[1,5-a]pyrimidin-5-yl)acetate (CAS 88373-98-2)
Recommended Standards
- Ethyl 7-amino-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 90674-09-2)
- Methyl 2-(7-hydroxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)acetate (CAS 477871-90-2)
- Ethyl 6-methyl-4-oxo-3H,4H-furo[2,3-d]pyrimidine-5-carboxylate (CAS 848316-19-8)
- N-(3,4-dimethylphenyl)-6,7-dimethoxyquinazolin-4-amine (CAS 477855-07-5)
- 4-(4-Bromophenyl)-3-(ethylsulfonyl)-1H-pyrazole (CAS 1710301-53-3)
- Trimethyl(4-pyridyl)tin (CAS 59020-06-3)
- Ethyl 2-Bromobenzothiazole-6-carboxylate (CAS 99073-88-8)
- Palbociclib Impurity 31 (CAS 733039-20-8)
- Ethyl 6-(3-methoxyphenyl)-6-oxohexanoate (CAS 898752-02-8)
- ([D2]Gly4)-Cholecystokinin Octapeptide (sulfated) ammonium salt (CAS 1926163-74-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com