Pyrimidine-5-carboxylic Acid CAS 4595-61-3
| CAS No. | 4595-61-3 |
| Molecular Formula | C5H4N2O2 |
| Molecular Weight | 124.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Pyrimidine-5-carboxylic Acid (CAS 4595-61-3) is a high-purity analytical reference standard with the molecular formula C5H4N2O2 and a molecular weight of 124.10 g/mol.
Structurally, Pyrimidine-5-carboxylic Acid (C5H4N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 124.10 g/mol, it falls into the low-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H4N2O2 |
| Molecular Weight | 124.10 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
Related Pyrimidine Standards
- Pyrimidine, 4-methoxy-2-methyl- (6CI,7CI,8CI,9CI) (CAS 7314-65-0)
- Pyrimidine, 4-methoxy-6-methyl- (6CI,7CI,8CI,9CI) (CAS 5541-07-1)
- Pyrimidine-4-carbaldehyde oxime (CAS 1073-65-0)
- Pyrimidine-4-carboxamide (CAS 28648-86-4)
- Pyrimidine-5-carboxamide (CAS 40929-49-5)
- Pyrimidine-2-carboxamide (CAS 88511-48-2)
- Pyrimidine-2,4,5-triamine (CAS 3546-50-7)
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Recommended Standards
- Nicotinic Acid- (CAS 57987-14-1)
- Vonoprazan Impurity 140 (CAS 208984-17-2)
- N-(1,2,4-Triazin-3-yl)formamide (CAS 61140-06-5)
- Nicotinic Acid EP Impurity H (CAS 2530-26-9)
- N-(1-Benzyl-2-hydroxyethyl)-N-(4-fluorobenzoyl)thiourea (CAS 338963-02-3)
- 1-bromospiro[2.2]pentane (CAS 75522-03-1)
- N1-(6-Fluoropyridin-2-yl)ethane-1,2-diamine (CAS 203303-20-2)
- Nebivolol Impurity 14 (CAS 129050-29-9)
- 2,2,3,3,4,4,5,5,5-Nonafluoropentanoyl bromide (CAS 159623-35-5)
- 2-(Aminomethyl)-6-methylthieno[3,2-b]pyridin-5-amine (CAS 2891458-16-3)
- 1-(2-Methoxyethyl)-1H-thieno[3,2-c][1,2]thiazin-4(3H)-one 2,2-dioxide (CAS 1707375-63-0)
- 2,4-Dimethyl-6,7-dihydro-5H-cyclopenta[d]pyrimidine (CAS 88268-24-0)
- 2-(Sulfamoylmethyl)benzoic acid (CAS 690638-32-5)
- Liraglutide-d8 Tritrifluoroacetate (CAS CATO-C4X-199223)
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