5-(Chlorosulfonyl)-2-(trifluoromethoxy)benzoyl chloride CAS 2138246-10-1
| CAS No. | 2138246-10-1 |
| Molecular Formula | C8H3Cl2F3O4S |
| Molecular Weight | 323.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 323.07 g/mol gives 5-(Chlorosulfonyl)-2-(trifluoromethoxy)benzoyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-(Chlorosulfonyl)-2-(trifluoromethoxy)benzoyl chloride (CAS 2138246-10-1) is a high-purity analytical reference standard with the molecular formula C8H3Cl2F3O4S and a molecular weight of 323.07 g/mol.
Structurally, 5-(Chlorosulfonyl)-2-(trifluoromethoxy)benzoyl chloride (C8H3Cl2F3O4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 323.07 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 5-(Chlorosulfonyl)-2-(trifluoromethoxy)benzoyl chloride 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 | C8H3Cl2F3O4S |
| Molecular Weight | 323.07 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorosulfonyl Standards
- Ethyl 3-(5-(chlorosulfonyl)thiophen-2-yl)-1,2,4-oxadiazole-5-carboxylate (CAS 388088-70-8)
- Methyl 3-[3-(chlorosulfonyl)-4,5-dimethoxyphenyl]prop-2-enoate (CAS 1221728-99-9)
- 3-(Chlorosulfonyl)-4-fluorophenylboronic Acid Pinacol Ester (CAS 1003575-37-8)
- Ethyl 5-(chlorosulfonyl)-3-methylthieno[2,3-b]pyridine-2-carboxylate (CAS 1240529-07-0)
- Methyl 5-(chlorosulfonyl)-2-(trifluoromethoxy)benzoate (CAS 2137562-31-1)
- Benzyl 2-[(chlorosulfonyl)methyl]pyrrolidine-1-carboxylate (CAS 1240529-52-5)
- Benzyl 3-(chlorosulfonyl)piperidine-1-carboxylate (CAS 1311317-42-6)
- Benzyl 3-[(chlorosulfonyl)methyl]pyrrolidine-1-carboxylate (CAS 242459-80-9)
Recommended Standards
- 3-Bromo-8-methoxy-2-(trifluoromethyl)-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 2206365-13-9)
- 7-Bromo-8-methyl-6-(trifluoromethyl)quinazoline-2,4(1H,3H)-dione (CAS 2803281-34-5)
- 8-Bromo-1-methyl-6-(trifluoromethyl)quinoxaline-2,3(1H,4H)-dione (CAS 1864016-15-8)
- Methyl 3-bromo-6-(trifluoromethyl)-1H-pyrrolo[2,3-b]pyridine-2-carboxylate (CAS 952800-37-2)
- (2-Iodo-4-(trifluoromethyl)phenyl)boronic acid (CAS 1257793-12-6)
- 1-(4-(Aminomethyl)piperidin-1-yl)-2-(1H-1,2,4-triazol-1-yl)ethan-1-one (CAS 1247808-62-3)
- 2-{3-bromopyrazolo[1,5-a]pyrimidin-6-yl}ethan-1-ol (CAS 1803594-59-3)
- 5-Bromo-2-(2,5-dimethyl-1H-pyrrol-1-yl)thiazole (CAS 918792-84-4)
- 5-(4-Ethylphenyl)oxazole-2-carbaldehyde (CAS 1352503-88-8)
- 3-Amino-5-(2-benzothienyl)pyrazole (CAS 1323441-05-9)
- 2-Chloro-N-(4-methyl-6-oxo-1,6-dihydro-pyrimidin-2-yl)-acetamide (CAS 341010-69-3)
- Aluminum tris(2-((3-(trifluoromethyl)phenyl)amino)nicotinate) (CAS 24175-05-1)
- n-(2-Ethoxyethyl)-3-methylcyclopentan-1-amine (CAS 1339676-30-0)
- A-18-F-NH2; Morphine Modulating Neuropeptide (CAS 99588-52-0)
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