4-Methyl-2-(phenylamino)pyrimidine-5-carboxylic acid CAS 23155-58-0
| CAS No. | 23155-58-0 |
| Molecular Formula | C12H11N3O2 |
| Molecular Weight | 229.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 229.23 g/mol gives 4-Methyl-2-(phenylamino)pyrimidine-5-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-Methyl-2-(phenylamino)pyrimidine-5-carboxylic acid (CAS 23155-58-0) is a high-purity analytical reference standard with the molecular formula C12H11N3O2 and a molecular weight of 229.23 g/mol.
Based on its molecular formula C12H11N3O2, 4-Methyl-2-(phenylamino)pyrimidine-5-carboxylic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 229.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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-Methyl-2-(phenylamino)pyrimidine-5-carboxylic acid 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 | C12H11N3O2 |
| Molecular Weight | 229.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- Methyl 3-(phenylamino)pyridazine-4-carboxylate (CAS 119581-34-9)
- Methyl 6-(phenylamino)pyrimidine-4-carboxylate (CAS 81333-08-6)
- 5-Methyl-2-((phenylamino)methylene)cyclohexane-1,3-dione (CAS 1023878-44-5)
- 4-methyl-6-(phenylamino)pyrimidine-2-thiol (CAS 321975-16-0)
- 1-(2-Methyl-6-(phenylamino)pyridin-3-yl)ethan-1-ol (CAS 1355237-83-0)
- 4-Methyl-6-(phenylamino)nicotinic acid (CAS 1355175-17-5)
- 2-Methyl-6-(phenylamino)nicotinic acid (CAS 1355195-94-6)
- 5-Methyl-6-(phenylamino)nicotinic acid (CAS 1355215-77-8)
Recommended Standards
- 4-methoxycarbonyl-1H-pyrazolo[3,4-b]pyridine-6-carboxylic acid (CAS 2092481-88-2)
- 4-Nitro-1-n-phenylbenzene-1,2-diamine (CAS 55315-12-3)
- 4-Methoxy-4'-nitro-1,1'-biphenyl (CAS 2143-90-0)
- 4-Nitro-N-(pyridin-2-ylmethyl)aniline (CAS 408365-67-3)
- (3-Methyl-1-(thiazol-4-yl)-1H-pyrazol-4-yl)boronic acid (CAS 2225170-79-4)
- Entecavir Intermediate â… (CAS 188399-48-6)
- 4-Bromo-1-cyclopropylpyridin-2(1H)-one (CAS 1193334-86-9)
- 4-Amino-5-methyl-2,3-dihydroisoindol-1-one (CAS 348165-76-4)
- N-benzyl-2H-indazol-7-amine (CAS 1042987-79-0)
- N-((2,5-Dichloro-4-((1,1,2,2-tetrafluoroethyl)thio)phenyl)carbamoyl)-2,6-difluorobenzamide (CAS 100279-18-3)
- Ethyl 3-(3,4-difluorophenyl)-5-methylisoxazole-4-carboxylate (CAS 917388-46-6)
- (D-Ser1)-ACTH (1-24) (human, bovine, rat) trifluoroacetate salt (CAS 18067-65-7)
- 3-Benzyl-2-phenylpyrrolidine (CAS 524674-65-5)
- Ac, Gastrin Releasing Peptide (20-27), porcine (CAS 77714-20-6)
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