(2,5-Dihydroxyphenyl)bis(4-phenylbutyl)phosphine oxide CAS 1420991-98-5
| CAS No. | 1420991-98-5 |
| Molecular Formula | C26H31O3P |
| Molecular Weight | 422.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (2,5-Dihydroxyphenyl)bis(4-phenylbutyl)phosphine oxide 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.
(2,5-Dihydroxyphenyl)bis(4-phenylbutyl)phosphine oxide (CAS 1420991-98-5), molecular formula C26H31O3P and molecular weight 422.50 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2,5-Dihydroxyphenyl)bis(4-phenylbutyl)phosphine oxide (C26H31O3P) contains a steroid core, a phosphonate group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.5, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 422.50 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.
Physical & Chemical Properties
| Molecular Formula | C26H31O3P |
| Molecular Weight | 422.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
Related Dihydroxyphenyl Standards
- 8-(2,4-Dihydroxyphenyl)-4-hydroxy-2-methyl-2-(4-methylpent-3-en-1-yl)-7,8-dihydro-2H,6H-pyrano[3,2-g]chromen-6-one (CAS 123702-94-3)
- 3-(3,4-dihydroxyphenyl)-2-methyl-l-alanine (CAS 88620-56-8)
- N-(4-(3,4-Dihydroxyphenyl)-5-phenylthiazol-2-yl)-3,4-dihydroxybenzamide (CAS 1190932-38-7)
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- 8-(2,4-Dihydroxyphenyl)-7-hydroxy-2-(2-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)-2H-phenoxazin-3(10H)-one (CAS 71939-12-3)
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Recommended Standards
- (R)-2,5-Dioxopyrrolidin-1-yl 2-((tert-butoxycarbonyl)amino)-3-((4-methylbenzyl)thio)propanoate (CAS 140842-91-7)
- 4-Hydroxyphenyl bis(4-phenylbutyl)phosphinate (CAS 1420992-04-6)
- 3-(3,5-Dimethoxyphenyl)-5-(5-(((3-methylbenzyl)thio)methyl)furan-2-yl)-1,2,4-oxadiazole (CAS 1114908-82-5)
- (Rp)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl naphthalen-1-yl phenylphosphonate (CAS 1463876-31-4)
- [(2R,3R,5S)-2-(benzyloxymethyl)-4,4-difluoro-5-hydroxy-tetrahydrofuran-3-yl] benzoate (CAS 1583260-42-7)
- 1-(tert-Butoxy)-2-methylbenzene (CAS 15359-96-3)
- Lactodifucotetraose (CAS 20768-11-0)
- 3-(4-Hydroxyphenyl)-2-(2,2,2-trifluoroacetamido)propanoic acid (CAS 70629-17-3)
- 4-(5-Propyl-1,3,4-oxadiazol-2-yl)benzaldehyde (CAS 1061671-93-9)
- Cyclopenta[c]pyrrole (CAS 250-26-0)
- Ethyl 4-(2-(3-(furan-2-yl)-6-oxopyridazin-1(6H)-yl)acetyl)piperazine-1-carboxylate (CAS 1210500-14-3)
- Methyl 1-formylcyclohexanecarboxylate (CAS 84393-05-5)
- 3-(4-Methoxyphenyl)-2-[2-(4-methoxyphenyl)hydrazono]-3-oxopropanal oxime (CAS 339279-51-5)
- Semaglutide Impurity 8 (CAS CATO-C4X-22268)
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