1-(4-Chloro-2-methylphenyl)-1H-pyrrole-2-carboxylic acid CAS 952959-54-5
| CAS No. | 952959-54-5 |
| Molecular Formula | C12H10ClNO2 |
| Molecular Weight | 235.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 1-(4-Chloro-2-methylphenyl)-1H-pyrrole-2-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 235.67 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
1-(4-Chloro-2-methylphenyl)-1H-pyrrole-2-carboxylic acid (CAS 952959-54-5), molecular formula C12H10ClNO2 and molecular weight 235.67 g/mol, is a CATO reference standard with documented purity and traceability.
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.
CATO manufactures 1-(4-Chloro-2-methylphenyl)-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 | C12H10ClNO2 |
| Molecular Weight | 235.67 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 Chloro Standards
- 1-(2-Chloro-7-methoxyquinolin-3-yl)ethanone (CAS 1017463-80-7)
- Methyl 4-chloro-8-methylquinoline-2-carboxylate (CAS 1020101-33-0)
- 2-Chloro-1-(2,3-dihydro-1H-benzo[d]imidazo[1,2-a]imidazol-1-yl)ethan-1-one (CAS 1030421-66-9)
- 6-Chloro-3-methyl-3,5-dihydroimidazo[2,1-b]quinazolin-2(1H)-one (CAS 105622-85-3)
- 5-Chloro-3-methyl-1-phenyl-1H-pyrazole-4-carboxamide (CAS 117518-83-9)
- 2-Chloro-N-(5'-hydroxynaphthalen-1'-yl)-acetamide (CAS 118639-06-8)
- 5-Chloro-3-(2,4-dimethylphenyl)-1,2-oxazole-4-carbaldehyde (CAS 1188029-06-2)
- 6-Chloro-N4-(pyridin-4-ylmethyl)pyrimidine-4,5-diamine (CAS 1192975-97-5)
Recommended Standards
- 1-(3-Chloro-4-methylphenyl)-1H-pyrrole-2-carboxylic acid (CAS 952958-69-9)
- 1-(5-(2-Amino-4-chlorophenyl)furan-2-yl)ethan-1-one (CAS 886494-58-2)
- 1-(3-Chloro-4-methoxyphenyl)-1H-pyrrole-2-carbaldehyde (CAS 881041-28-7)
- 1-(5-(4-Amino-2-chlorophenyl)furan-2-yl)ethanone (CAS 886494-56-0)
- 1-(5-(Trifluoromethyl)pyridin-2-yl)piperidin-3-amine (CAS 1271707-10-8)
- Methyl 4-(dimethylamino)-5-formylpicolinate (CAS 2750144-37-5)
- N-(3-chloropropyl)methanesulfonamide (CAS 57590-72-4)
- Methyl 3-(benzyloxy)thieno[2,3-b]pyridine-2-carboxylate (CAS 338419-34-4)
- [3-(1-Methyl-1H-imidazol-2-yl)propyl]aminedihydrochloride (CAS 102570-18-3)
- 5-((Tert-butoxycarbonyl)amino)tetracyclo[3.2.0.0(2,7).0(4,6)]heptane-1-carboxylic acid (CAS 1212140-82-3)
- 1,3,5-trichloro-2-isothiocyanatobenzene 2,4,6-Trichlorophenyl isothiocyanate 22134-07-2 (CAS 22134-07-2)
- 2-Bromo-3,6-dimethoxypyridine (CAS 1211525-11-9)
- 6-Bromo-2-methylbenzoxazole (CAS 151230-42-1)
- Semaglutide Impurity 183 (CAS 159541-28-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com