4,5-Dichloropyrrole-2-carboxylic Acid CAS 39209-94-4
| CAS No. | 39209-94-4 |
| Molecular Formula | C5H3Cl2NO2 |
| Molecular Weight | 179.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Dichloropyrrole-2-carboxylic Acid (CAS 39209-94-4), molecular formula C5H3Cl2NO2 and molecular weight 179.99 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4,5-Dichloropyrrole-2-carboxylic Acid (C5H3Cl2NO2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 179.99 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.
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 4,5-Dichloropyrrole-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 | C5H3Cl2NO2 |
| Molecular Weight | 179.99 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloropyrrole Standards
Recommended Standards
- 1-Iodobut-2-yne (CAS 76778-00-2)
- 4-Iodo-1-butyne (CAS 43001-25-8)
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- 6-Amino-4,5-dichloropyridazin-3(2H)-one (CAS 933034-97-0)
- 1-(1-Methyl-1H-pyrazol-5-yl)-N-((1-propyl-1H-pyrazol-4-yl)methyl)methanamine hydrochloride (CAS 1856074-30-0)
- Bakuchicin (CAS 4412-93-5)
- 1-Cyclohexyl-N-methyl-2-(pyrrolidin-1-yl)ethan-1-amine (CAS 672310-00-8)
- 3-Quinuclidinylxanthene-9-carboxylic acid hemioxalate salt (CAS 82326-74-7)
- <I>N</I>,<I>N</I>,<I>N</I>′,<I>N</I>′-tetrakis(2-hydroxypropyl)ethylenediamine (CAS 102-60-3)
- 2-Amino-4-(hydroxyamino)butanoic acid (CAS 17111-45-4)
- 4-(2,6-Dichlorophenyl)thiomorpholine-3,5-dione (CAS 338421-38-8)
- 2-Formylquinolin-8-yl acetate (CAS 36456-52-7)
- Trilaurin (CAS 538-24-9)
- Antifreeze Polypeptide 6 (winter flounder) trifluoroacetate salt (CAS 122604-16-4)
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