(1,5-Cyclooctadiene)bis(triphenylphos-phine)rhodi CAS 35238-97-2
| CAS No. | 35238-97-2 |
| Molecular Formula | C20H21PRh |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(1,5-Cyclooctadiene)bis(triphenylphos-phine)rhodi (CAS 35238-97-2), molecular formula C20H21PRhF5PC8H12CH2Cl2F and molecular weight 733.34 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H21PRhF5PC8H12CH2Cl2F, (1,5-Cyclooctadiene)bis(triphenylphos-phine)rhodi contains organophosphorus functionality, fluorine/chlorine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 733.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), (1,5-Cyclooctadiene)bis(triphenylphos-phine)rhodi 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 | C20H21PRh F5P C8H12 CH2Cl2 F |
| Molecular Weight | 733.34 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Halogen Content | F/Cl-containing |
Related Cyclooctadiene Standards
- 1,5-cyclooctadiene (CAS 111-78-4)
- (1,5-Cyclooctadiene)tris(trimethylphosphine)iridium(1+) chloride (CAS 118494-48-7)
- Bis(1,5-cyclooctadiene)di-u-hydroxodiiridium(I) (CAS 118657-60-6)
- 1,5-Cyclooctadiene(hydroquinone)rhodium(I) tetrafluoroborate (CAS 120967-70-6)
- (1,5-Cyclooctadiene)diphenylplatinum(II) (CAS 12277-88-2)
- Bis(1,5-cyclooctadiene)nickel(O) (CAS 1295-35-8)
- Bis(1,5-cyclooctadiene)rhodium(I) antimony hexafluoride salt (CAS 130296-28-5)
- 1,3-cyclooctadiene (CAS 1700-10-3)
Recommended Standards
- N',2-bis(4-ethoxyphenyl)hydrazine-1-carbohydrazide (CAS 29639-08-5)
- 4-fluoro-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine (CAS 944401-71-2)
- Ethyl 2-(1-benzyl-2-oxopiperidin-4-yl)acetate (CAS 1198285-41-4)
- 2,3-Dibromo-4-(difluoromethyl)-5-methoxypyridine (CAS 1805317-85-4)
- Butyryl Chloride (CAS 141-75-3)
- 3-methyl-2-(4-methylphenyl)piperidine (CAS 1019345-69-7)
- 2-Chloro-6-(difluoromethyl)-3-methoxy-4-nitropyridine (CAS 1806936-01-5)
- 1-(5-(Furan-2-yl)-1,3,4-oxadiazol-2-yl)-3-(pyridin-2-ylmethyl)urea (CAS 1414963-82-8)
- Clocinizine (CAS 298-55-5)
- Galanin-Like Peptide (rat) trifluoroacetate salt (CAS 245114-97-0)
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