1-(2-Chlorophenyl)-1H-pyrrole-2-carboxylic acid CAS 952958-66-6
| CAS No. | 952958-66-6 |
| Molecular Formula | C11H8ClNO2 |
| Molecular Weight | 221.64 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 1-(2-Chlorophenyl)-1H-pyrrole-2-carboxylic acid.
1-(2-Chlorophenyl)-1H-pyrrole-2-carboxylic acid (CAS 952958-66-6), molecular formula C11H8ClNO2 and molecular weight 221.64 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H8ClNO2, 1-(2-Chlorophenyl)-1H-pyrrole-2-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 221.64 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-(2-Chlorophenyl)-1H-pyrrole-2-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H8ClNO2 |
| Molecular Weight | 221.64 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chlorophenyl Standards
- 5-(3-Chlorophenyl)-1h-pyrrole-2-carboxylic acid (CAS 1048917-65-2)
- 5-(2-Chlorophenyl)-1h-pyrrole-2-carboxylic acid (CAS 1048919-09-0)
- 3-(4-Chlorophenyl)-1H-pyrazole-4-carbaldehydeoxime (CAS 1199253-23-0)
- 5-(4-Chlorophenyl)-3-methylisoxazole-4-carbaldehyde (CAS 1208081-07-5)
- 5-(3-Chlorophenyl)-3-methylisoxazole-4-carbaldehyde (CAS 1208081-72-4)
- 4-(4-Chlorophenyl)-1H-pyrrole-3-carboxylic acid (CAS 122453-98-9)
- 3-(4-Chlorophenyl)-6-methyl-1,2,4-triazin-5(2H)-one (CAS 126542-93-6)
- 3-(4-Chlorophenyl)-5-methylisoxazole-4-carbaldehyde (CAS 127426-59-9)
Recommended Standards
- 1-(2-Chloro-4-methylphenyl)-1H-pyrrole-2,5-dione (CAS 928710-58-1)
- 1-(2-Chlorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethan-1-one (CAS 60850-73-9)
- 1-(1-(4-Chlorophenyl)-1H-1,2,4-triazol-3-yl)ethanone (CAS 61698-28-0)
- 1-(2-chlorophenyl)-3-methylenedihydro-1H-pyrrole-2,5-dione (CAS 37010-60-9)
- 2-Amino-4,5,7,8-tetrahydro-6-(N-carbethoxy)thiazolo[5,4-d]azepine 2-Amino-4,5,7,8-tetrahydro-6H-thiazolo[4,5-d]azepine-6-carboxylic Acid Ethyl Ester 887352-57-0 (CAS 887352-57-0)
- (S)-1-(4-(tert-butyl)phenyl)ethan-1-amine hcl (CAS 1415303-39-7)
- PF-06422913 (CAS 1539296-46-2)
- ((1,4-Dioxan-2-yl)methyl)hydrazine hydrochloride (CAS 1390654-63-3)
- 2,2-Dimethyl-3-(3-phenyl-1,2,4-oxadiazol-5-yl)cyclopropane-1-carboxylic acid (CAS 1282104-72-6)
- 1-(Benzyloxy)-4-chloro-2-nitrobenzene (CAS 92044-52-5)
- 2-(2-Amino-4-fluorophenyl)propan-2-ol (CAS 1009368-27-7)
- Moxifloxacin Impurity 28 (CAS 172426-88-9)
- (4-Fluoro-3-((2-hydroxyethyl)carbamoyl)phenyl)boronic acid (CAS 874219-25-7)
- Semaglutide Impurity 146 (CAS 2645421-68-5)
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