28240-71-3 CTK4G1069 Phosphonous dichloride,P,P'-1,4-butanediylbis- CAS 28240-71-3
| CAS No. | 28240-71-3 |
| Molecular Formula | C4H8Cl4P2 |
| Molecular Weight | 259.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 28240-71-3 CTK4G1069 Phosphonous dichloride,P,P'-1,4-butanediylbis- 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.
28240-71-3 CTK4G1069 Phosphonous dichloride,P,P'-1,4-butanediylbis- (CAS 28240-71-3), molecular formula C4H8Cl4P2 and molecular weight 259.87 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 28240-71-3 CTK4G1069 Phosphonous dichloride,P,P'-1,4-butanediylbis- (C4H8Cl4P2) is characterized by organophosphorus functionality, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
Physical & Chemical Properties
| Molecular Formula | C4H8Cl4P2 |
| Molecular Weight | 259.87 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -1.0 |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Cl-containing |
Recommended Standards
- (5-Bromo-2-(methoxycarbonyl)pyridin-4-yl)boronic acid (CAS 2225175-48-2)
- Bromoaceticanhydride (CAS 13094-51-4)
- (2-Bromo-6-(methoxycarbonyl)pyridin-4-yl)boronic acid (CAS 2225174-53-6)
- Dibromo Malonamide (CAS 73003-80-2)
- 1-(5-(4-Methoxyphenyl)-1h-imidazol-2-yl)ethan-1-amine dihydrochloride (CAS 1426291-42-0)
- Methyl (2S,4S)-4-[(tetrahydro-2H-pyran-4-ylcarbonyl)oxy]-2-pyrrolidinecarboxylate hydrochloride (CAS 1354486-82-0)
- N-Benzyl-4-(tert-butyl)aniline (CAS 255835-93-9)
- 5,6-Dibromohexahydro-1H-isoindole-1,3(2H)-dione (CAS 59615-06-4)
- 5-Bromo-3,6-dimethylpyridine-2,4-diol (CAS 1256254-34-8)
- 3-(3-(Trifluoromethyl)phenoxy)azetidine (CAS 76263-23-5)
- 4-(4-(Ethylsulfonyl)piperazin-1-yl)-2-methyl-6-propoxypyrimidine (CAS 946302-06-3)
- 1,1-Diethoxypentane-2,4-dione (CAS 124237-06-5)
- N-{3-[(2-Bromoacetyl)amino]phenyl}-4-(tert-butyl)benzamide (CAS 1138443-10-3)
- Cycloaspeptide D (CAS 691363-62-9)
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