4,4'-Ddd CAS 72-54-8
| CAS No. | 72-54-8 |
| Molecular Formula | C14H10Cl4 |
| Molecular Weight | 320.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 320.04 g/mol gives 4,4'-Ddd distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4,4'-Ddd (CAS 72-54-8), a certified reference material (molecular formula C14H10Cl4, MW 320.04 g/mol) for analytical method development and quality control.
Structurally, 4,4'-Ddd (C14H10Cl4) contains chlorine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 320.04 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4,4'-Ddd 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 | C14H10Cl4 |
| Molecular Weight | 320.04 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
Recommended Standards
- 2,4＇-Ddd (CAS 53-19-0)
- 2H-Perfluoro(2-methylpentane) (CAS 30320-28-6)
- 4,4,5,5-Tetramethyl-2-[3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-bicyclo[1.1.1]pentanyl]-1,3,2-dioxaborolane (CAS 2195389-90-1)
- 1H-Tridecafluorohexane (CAS 355-37-3)
- 2-(3,5-Difluorophenyl)pentan-2-ol (CAS 1379317-37-9)
- Methyl 3-(3-(((tert-butoxycarbonyl)amino)methyl)phenyl)propanoate (CAS 171662-99-0)
- 2-Chloro-4-ethoxyphenylboronic acid (CAS 313545-44-7)
- N-(2-chloropyridin-3-yl)-5-methyl-2-nitrobenzamide (CAS 1225-84-9)
- 5-Cyclopropoxy-2-formylisonicotinonitrile (CAS 1243446-21-0)
- (S)-2-amino-2-(4-propylphenyl)ethan-1-ol hydrochloride (CAS 1391515-12-0)
- 4-Bromo-2-methoxy-5-nitrobenzoic acid (CAS 98434-33-4)
- n-(5-Chloropyridin-2-yl)-3-methylbut-2-enamide (CAS 1209923-91-0)
- rac-(1R,2R)-2-(4-cyanophenyl)cyclopropane-1-carboxylic acid (CAS 2059912-24-0)
- Semaglutide impurity 202 (CAS CATO-C4X-2226202)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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