3-Amino-6-iodopyrazine-2-carboxylic acid CAS 875781-48-9
| CAS No. | 875781-48-9 |
| Molecular Formula | C5H4IN3O2 |
| Molecular Weight | 265.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-Amino-6-iodopyrazine-2-carboxylic acid (C5H4IN3O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, iodine substitution. 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 265.01 g/mol, it falls into the medium-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.
CATO supplies 3-Amino-6-iodopyrazine-2-carboxylic acid (CAS 875781-48-9), a certified reference material (molecular formula C5H4IN3O2, MW 265.01 g/mol) for analytical method development and quality control.
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 | C5H4IN3O2 |
| Molecular Weight | 265.01 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 5-Amino-6-iodopyrazine-2-carboxylic acid (CAS 1363381-34-3)
- 2-Amino-5-iodo-3-nitropyridine (CAS 25391-57-5)
- 2-Amino-5-bromo-3-(trifluoromethyl)benzonitrile (CAS 1000571-53-8)
- 2-Amino-3-bromo-5-(trifluoromethyl)benzonitrile (CAS 133013-30-6)
- 4-Amino-5-bromo-2-(trifluoromethyl)benzonitrile (CAS 155255-45-1)
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Recommended Standards
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