5-Ethynylpyrimidine-2-carboxylic acid CAS 1240606-56-7
| CAS No. | 1240606-56-7 |
| Molecular Formula | C7H4N2O2 |
| Molecular Weight | 148.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H4N2O2, 5-Ethynylpyrimidine-2-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 148.12 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).
5-Ethynylpyrimidine-2-carboxylic acid (CAS 1240606-56-7) is a high-purity analytical reference standard with the molecular formula C7H4N2O2 and a molecular weight of 148.12 g/mol.
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 5-Ethynylpyrimidine-2-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 | C7H4N2O2 |
| Molecular Weight | 148.12 g/mol |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
Related Ethynylpyrimidine Standards
- 5-Ethynylpyrimidine-4-carboxylic acid (CAS 1850421-85-0)
- 5-Ethynylpyrimidine-2,4-diamine (CAS 1392129-78-0)
- Methyl 5-ethynylpyrimidine-2-carboxylate (CAS 1196153-35-1)
- 2-Ethynylpyrimidine-5-carbaldehyde (CAS 1196157-01-3)
- methyl 2-ethynylpyrimidine-5-carboxylate (CAS 1196146-17-4)
- 2-Ethynylpyrimidine (CAS 37972-24-0)
- 4-Ethynylpyrimidine (CAS 1196146-58-3)
- 5-Ethynylpyrimidine (CAS 153286-94-3)
Recommended Standards
- 3-Ethynyl-5-nitropyridine (CAS 1211578-08-3)
- N-(Aminomethyl)-N-carboxyglycine (CAS 125677-10-3)
- 2-Ethynyl-4-nitropyridine (CAS 1211515-78-4)
- 4-Nitro-2-aminobutyric acid (CAS 126400-75-7)
- 3-Isopropylpyrazolo[1,5-a]pyridine (CAS 59942-83-5)
- N1-(4-Chlorophenyl)-5-methylbenzene-1,2-diamine (CAS 74769-84-9)
- 5-(2,4-Dichlorophenyl)-4H-pyrazole-3-carboxylic acid (CAS 904815-22-1)
- 9H-fluoren-9-ylmethyl N-(2-hydroxyethyl)-N-propylcarbamate (CAS 1343262-00-9)
- 4(1H)-Quinolinone, 1-methyl-2-(5Z)-5-undecen-1-yl- (CAS 182056-11-7)
- 3-[(2,6-dichlorophenoxy)methyl]-4-methoxybenzaldehyde (CAS 832737-35-6)
- N-(4-bromophenyl)-4-nitrobenzamide (CAS 59280-03-4)
- [(1R)-[1,1'-Binaphthalene]-2,2'-diylbis[diphenylphosphine-κP]](η3-2-propenyl)-Palladium chloride (CAS 879689-47-1)
- 6-Fluoro-2,3-dihydroxynaphthalene-1,4-dione (CAS 89226-84-6)
- Semaglutide Impurity 1(OtBu-Ste-D-γGlu(OtBu)-AEEA-AEEA-OH) (CAS CATO-C4X-22261)
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