4-Formamido-1H-pyrrole-2-carboxylic acid CAS 85406-57-1
| CAS No. | 85406-57-1 |
| Molecular Formula | C6H6N2O3 |
| Molecular Weight | 154.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
4-Formamido-1H-pyrrole-2-carboxylic acid (CAS 85406-57-1), molecular formula C6H6N2O3 and molecular weight 154.12 g/mol, is a CATO reference standard with documented purity and traceability.
4-Formamido-1H-pyrrole-2-carboxylic acid (C6H6N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 manufactures 4-Formamido-1H-pyrrole-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 | C6H6N2O3 |
| Molecular Weight | 154.12 g/mol |
| Appearance | Off-white to pale 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 methanol, ethanol, DMSO, water |
| 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Nitrogen Atoms | 2 |
Related Formamido Standards
- 4-Formamido-1H-pyrrole-2-carboxamide (CAS 106339-34-8)
- 1-Formamido-1H-pyrrole-2-carboxamide (CAS 159326-70-2)
- 2-Formamido-2-(oxetan-3-yl)acetic acid (CAS 2171619-12-6)
- 3-Formamido-4-methylpentanoic acid (CAS 1341482-31-2)
- 2-Formamido-4-methylpentanoic acid (CAS 5338-45-4)
- Ethyl 2-formamido-2-thioxoacetate (CAS 1254073-67-0)
- Methyl 2-formamido-2-methylpropanoate (CAS 109862-23-9)
- 3-Formamido-3-methylbutanoic acid (CAS 89531-50-0)
Recommended Standards
- 4-carbamoyl-1H-pyrrole-2-carboxylic acid (CAS 921757-00-8)
- 4-Formyl-2-methylfuran-3-carboxylic acid (CAS 408534-78-1)
- 4-Amino-6-hydroxynicotinic Acid (CAS 85145-48-8)
- 4-Hydroxy-5-(hydroxymethyl)-2-oxo-2,5-dihydro-1H-pyrrole-3-carbonitrile (CAS 209963-51-9)
- 3-(5-(2,3-Dichlorophenyl)furan-2-yl)-1-phenylprop-2-en-1-one (CAS 304896-42-2)
- Methyl 2-amino-7-hydroxybenzo[d]thiazole-6-carboxylate (CAS 61809-04-9)
- N-Benzyl-N-ethyl-2-piperidinecarboxamidehydrochloride (CAS 1246172-72-4)
- (6-(Difluoromethyl)-3-fluoro-2-methoxypyridin-4-yl)methanamine (CAS 1807095-79-9)
- 1-(2,5-Dimethylfuran-3-yl)-2,2,2-trifluoroethan-1-amine (CAS 1270360-84-3)
- 1-methyl-3-(propan-2-yl)piperazine (CAS 1248907-64-3)
- 1-(2-Fluoro-4-nitrophenyl)-1H-imidazole (CAS 154164-56-4)
- 2-(3-Methoxyphenyl)-2,3-dihydro-1H-naphtho[1,8-de][1,3,2]diazaborinine (CAS 1159803-56-1)
- 2-Phenoxypyrimidine-5-boronic acid pinacol ester, >97% (CAS 330792-85-3)
- Glucagon (1-29) (CAS 16941-32-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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