18381-53-8 4-Carbethoxyhexafluorobutyryl chloride Ethyl 5-chloro-2,2,3,3,4,4-hexafluoro-5-oxopentanoate Ethyl hexafluoroglutaryl chloride 97% CAS 18381-53-8
| CAS No. | 18381-53-8 |
| Molecular Formula | C7H5ClF6O3 |
| Molecular Weight | 286.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 18381-53-8 4-Carbethoxyhexafluorobutyryl chloride Ethyl 5-chloro-2,2,3,3,4,4-hexafluoro-5-oxopentanoate Ethyl hexafluoroglutaryl chloride 97% is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
18381-53-8 4-Carbethoxyhexafluorobutyryl chloride Ethyl 5-chloro-2,2,3,3,4,4-hexafluoro-5-oxopentanoate Ethyl hexafluoroglutaryl chloride 97% (CAS 18381-53-8), molecular formula C7H5ClF6O3 and molecular weight 286.56 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, 18381-53-8 4-Carbethoxyhexafluorobutyryl chloride Ethyl 5-chloro-2,2,3,3,4,4-hexafluoro-5-oxopentanoate Ethyl hexafluoroglutaryl chloride 97% is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 286.56 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.
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.
As a certified reference material (CRM), 18381-53-8 4-Carbethoxyhexafluorobutyryl chloride Ethyl 5-chloro-2,2,3,3,4,4-hexafluoro-5-oxopentanoate Ethyl hexafluoroglutaryl chloride 97% 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 | C7H5ClF6O3 |
| Molecular Weight | 286.56 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | F/Cl-containing |
Recommended Standards
- 3-Butoxy-5-chloro-4-isopropoxyphenylboronic acid (CAS 1793003-79-8)
- 1-(4-Bromobenzyl)-4-chloro-1,2-dihydro-3h-pyrazol-3-imine (CAS 956440-85-0)
- 4-bromo-3-chloro-N-(1H-imidazol-2-ylmethyl)aniline (CAS 1691144-33-8)
- 1-Bromo-8-chloro-3-cyclobutylimidazo[1,5-a]pyrazine (CAS 867165-13-7)
- Methyl 3-bromo-4-fluoro-5-hydroxybenzoate (CAS 1805552-09-3)
- 2-(tert-pentyl)benzoic acid (CAS 69713-44-6)
- 2-Azido-1-(3,4-dichlorophenyl)ethanone (CAS 297765-44-7)
- 2-(3-Methoxyphenyl)-N'-Hydroxyethanimidamide (CAS 148459-03-4)
- 3-[ethyl(phenyl)sulfamoyl]benzoic acid (CAS 325721-87-7)
- (3-Oxaspiro[5.5]Undecan-9-yl)methanamine (CAS 2092347-29-8)
- Ethyl 3-(2-(2-(allylcarbamothioyl)hydrazinyl)-2-oxoethoxy)pyrido[1,2-a]indole-10-carboxylate (CAS 339106-96-6)
- (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(3-methoxyphenyl)acetic acid (CAS 1260614-82-1)
- 1,3-Dibromo-3-methylbutan-2-one (CAS 1518-06-5)
- Semaglutide impurity 77 (CAS CATO-C4X-222677)
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