5-Amino-1-(pyridin-2-yl)-1H-imidazole-4-carboxylic acid CAS 765850-70-2
| CAS No. | 765850-70-2 |
| Molecular Formula | C9H8N4O2 |
| Molecular Weight | 204.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-Amino-1-(pyridin-2-yl)-1H-imidazole-4-carboxylic acid.
5-Amino-1-(pyridin-2-yl)-1H-imidazole-4-carboxylic acid (CAS 765850-70-2) is a high-purity analytical reference standard with the molecular formula C9H8N4O2 and a molecular weight of 204.19 g/mol.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 5-Amino-1-(pyridin-2-yl)-1H-imidazole-4-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 204.19 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
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.
Physical & Chemical Properties
| Molecular Formula | C9H8N4O2 |
| Molecular Weight | 204.19 g/mol |
| Appearance | Pale yellow to 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 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 5-(4-Nitrophenyl)-1H-pyrazol-3-amine (CAS 78583-83-2)
- 5-Amino-1-(pyrimidin-2-yl)-1H-pyrazole-4-carboxamide (CAS 630107-85-6)
- 4-Oxo-3,4-dihydrophthalazine-1-carbohydrazide (CAS 61051-67-0)
- 5-Amino-1-phenyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 90323-78-7)
- 6-Bromo-1-propylcinnolin-4(1H)-one (CAS 61588-18-9)
- Ethyl 2-(2-aminoethyl)-4,5,6,7-tetrahydro-2H-indazole-3-carboxylate (CAS 561299-63-6)
- HO-PEG20-OH (CAS 351342-08-0)
- 3-(Azetidin-3-yloxy)-N,N-dimethylpropanamide (CAS 1343328-41-5)
- 3-(1-Isopropyl-1H-pyrazol-3-yl)propiolic acid (CAS 1354706-85-6)
- Rel-2-((1r,4r)-4-hydroxycyclohexyl)acetic acid (CAS 68592-23-4)
- 2-(Isobutylthio)pyrimidine-5-carbaldehyde (CAS 878433-13-7)
- 1-Methyl-1H-indazole-4-carbonitrile (CAS 1159511-43-9)
- 5-(Furan-2-yl)pyrrolidin-2-one (CAS 25097-96-5)
- Tau Peptide (275-305) (Repeat 2 Domain) trifluoroacetate salt (CAS 330456-25-2)
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