4-(5-Amino-3-methyl-1h-pyrazol-1-yl)phenol CAS 54849-90-0
| CAS No. | 54849-90-0 |
| Molecular Formula | C10H11N3O |
| Molecular Weight | 189.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 189.21 g/mol gives 4-(5-Amino-3-methyl-1h-pyrazol-1-yl)phenol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(5-Amino-3-methyl-1h-pyrazol-1-yl)phenol (CAS 54849-90-0) is a high-purity analytical reference standard with the molecular formula C10H11N3O and a molecular weight of 189.21 g/mol.
Based on its molecular formula C10H11N3O, 4-(5-Amino-3-methyl-1h-pyrazol-1-yl)phenol contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 189.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-(5-Amino-3-methyl-1h-pyrazol-1-yl)phenol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C10H11N3O |
| Molecular Weight | 189.21 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 4-(2-Amino-5-methyl-1H-imidazol-4-yl)phenol (CAS 103037-99-6)
- 2-(5-Amino-1h-indol-1-yl)acetamide (CAS 1094458-54-4)
- 2-Amino-N-(3-cyanobenzyl)acetamide (CAS 1179926-99-8)
- 2-Amino-N-(4-cyanobenzyl)acetamide (CAS 1184020-03-8)
- 4-[(2-Amino-1h-imidazol-1-yl)methyl]-phenol (CAS 123593-06-6)
- 5-Amino-5,6-dihydro-4H-imidazo[4,5,1-ij]quinolin-2(1H)-one (CAS 132874-67-0)
- 5-amino-N-methyl-1H-indole-2-carboxamide (CAS 1341052-34-3)
- 2-(4-Amino-1h-indol-1-yl)acetamide (CAS 1342500-61-1)
Recommended Standards
- 4-(4-Methoxyphenyl)-4-oxobutanenitrile (CAS 55234-56-5)
- 4-(5-Ethyl-1,3,4-oxadiazol-2-yl)aniline (CAS 99055-83-1)
- 4-(4-Methoxyphenyl)-1H-pyrazol-5-amine (CAS 93439-79-3)
- 4-(5-Ethynylpyrimidin-2-yl)morpholine (CAS 926009-60-1)
- 1-(3-Aminobenzenesulfonyl)piperidin-4-ol (CAS 873537-44-1)
- tert-Butyl (7-bromo-2-methylquinazolin-4-yl)carbamate (CAS 2680781-27-3)
- N-(2-Ethoxyphenyl)-2-[7-(4-methoxyphenyl)-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-3-yl]acetamide (CAS 1207048-94-9)
- 4-Nitrophenol Sodium Salt Hydrate (CAS 63317-67-9)
- Methyl 4-{4-[2-(4-bromophenyl)-2-oxoethyl]piperazin-1-yl}-3-nitrobenzoate (CAS 478246-67-2)
- Tert-butyl (S)-2-(hydroxymethyl)-2,3-dihydro-1H-pyrrolo[3,2-c]pyridine-1-carboxylate (CAS 2306244-88-0)
- Methyl 3-(pyrimidin-4-yl)acrylate (CAS 2434-61-9)
- 5-(4-Butoxybenzoyl)-2-chloropyridine (CAS 1187169-64-7)
- N-methyl-N-((5-methyl-1,2,4-oxadiazol-3-yl)methyl)azepan-4-amine dihydrochloride (CAS 1803598-84-6)
- Pancreatic Polypeptide (1-17)-(Ala31,Aib32)-Neuropeptide Y (18-36) (human) trifluoroacetate salt (CAS 313988-70-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com