1-(2-((2-Chloro-6-fluorobenzyl)thio)ethyl)-2-methyl-5-phenyl-1H-pyrrole-3-carboxylic acid CAS 306936-24-3
| CAS No. | 306936-24-3 |
| Molecular Formula | C21H19ClFNO2S |
| Molecular Weight | 403.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(2-((2-Chloro-6-fluorobenzyl)thio)ethyl)-2-methyl-5-phenyl-1H-pyrrole-3-carboxylic acid (CAS 306936-24-3) is a high-purity analytical reference standard with the molecular formula C21H19ClFNO2S and a molecular weight of 403.90 g/mol.
Structurally, 1-(2-((2-Chloro-6-fluorobenzyl)thio)ethyl)-2-methyl-5-phenyl-1H-pyrrole-3-carboxylic acid (C21H19ClFNO2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 403.90 g/mol, it falls into the moderately-high-molecular-weight range. 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.
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 | C21H19ClFNO2S |
| Molecular Weight | 403.90 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 3-((4-Chloro-3-methylphenoxy)methyl)-4,5-di-p-tolyl-4H-1,2,4-triazole (CAS 141079-06-3)
- 2-(4-(5-Chloro-2-methylphenyl)piperazin-1-yl)-N-(2,5-dimethoxyphenyl)acetamide (CAS 491867-74-4)
- 3-{[2-chloro-6-(1H-indol-1-yl)phenyl]methyl}-1-(2,6-dimethylphenyl)urea (CAS 866042-70-8)
- N-(3-Chloro-4-methoxyphenyl)-2-((4-ethyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 618414-53-2)
- N-(3-Chloro-4-methoxyphenyl)-2-((4-ethyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 585553-73-7)
- 2-Chloro-4-(4-methylthiophen-2-yl)-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 1142945-86-5)
- 5-Chloro-4-methyl-1-(4-((7-methyl-2-propyl-3H-imidazo[4,5-b]pyridin-3-yl)methyl)phenyl)-1H-pyrrole-2-carbonitrile (CAS 142016-05-5)
- 2-Chloro-N-(2-morpholino-5-(morpholinosulfonyl)phenyl)acetamide (CAS 721908-40-3)
Recommended Standards
- Bezafibrate Isopropyl Ester (CAS 153758-85-1)
- 1,4-Dibromo-2,5-bis(trifluoromethoxy)benzene (CAS 63165-16-2)
- (S)-tert-Butyl (1-(4-(benzyloxy)phenyl)-4-chloro-3-oxobutan-2-yl)carbamate (CAS 152438-62-5)
- 1-Benzyl-4-(4-chlorobenzyl)-6,7-dimethoxyisoquinoline (CAS 62334-31-0)
- 8-((Dimethylamino)methyl)-7-hydroxy-3-(4-methoxyphenyl)-2-methyl-4H-chromen-4-one (CAS 858764-22-4)
- Dimethyl 5-(3-(furan-2-yl)acrylamido)isophthalate (CAS 853349-53-8)
- 2-Ethoxy-N-(1-(2-fluorophenyl)ethyl)ethan-1-amine (CAS 1155909-57-1)
- (R)-1-Boc-3-(4-chloro-phenyl)-pyrrolidine (CAS 171897-39-5)
- 6-Bromo-1-isopropyl-3-methyl-1H-indole-4-carboxylic acid (CAS 1346575-60-7)
- 2-(Cyclopropylethynyl)benzoic acid (CAS 1313028-09-9)
- Piperazine Impurity 47 (CAS 61429-03-6)
- ethyl 7-(2-furyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 676643-01-9)
- 4-(Morpholinomethyl)-1-phenylpyrazolidin-3-one (CAS 27316-20-7)
- Semaglutide impurity 269 (CAS CATO-C4X-2226269)
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