Bis(octahydro-1H-4,7-methanoinden-5-yl) hydrogen phosphate CAS 34260-65-6
| CAS No. | 34260-65-6 |
| Molecular Formula | C20H31O4P |
| Molecular Weight | 366.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Bis(octahydro-1H-4,7-methanoinden-5-yl) hydrogen phosphate (CAS 34260-65-6), molecular formula C20H31O4P and molecular weight 366.43 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Bis(octahydro-1H-4,7-methanoinden-5-yl) hydrogen phosphate (C20H31O4P) contains a steroid core, a phosphate ester group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.5, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 366.43 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C20H31O4P |
| Molecular Weight | 366.43 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
Related Bis Standards
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- (11bR)-8,9,10,11,12,13,14,15-Octahydro-N,N-dimethyl-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine (CAS 444311-00-6)
- 1,2,3,5,6,7,8,9-Octahydro-3-(3-methoxyphenyl)-2-thioxo-4H-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-one (CAS 519150-62-0)
- (11bR)-8,9,10,11,12,13,14,15-Octahydro-4-hydroxy-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin (CAS 297752-25-1)
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- Benzyl octahydro-6H-pyrido[3,4-b][1,4]thiazine-6-carboxylate 4,4-dioxide (CAS 2306260-77-3)
- 4,4'-(Octahydro-1H-4,7-methanoindene-5,5-diyl)diphenol (CAS 1943-97-1)
- 2,2''',3,3''',4,4''',5,5'''-Octahydro-1,1':4',1'':4'',1'''-quaterphenyl (CAS 7104-64-5)
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