(((2S,3S,4R)-3-hydroxy-4-(2-hydroxyphenoxy)tetrahydro-2H-pyran-2-yl)methyl)diphenylphosphine oxide CAS 291273-51-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 291273-51-3 |
| Molecular Formula | C24H25O5P |
| Molecular Weight | 424.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(((2S,3S,4R)-3-hydroxy-4-(2-hydroxyphenoxy)tetrahydro-2H-pyran-2-yl)methyl)diphenylphosphine oxide (CAS 291273-51-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H25O5P. Molecular weight: 424.43 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C24H25O5P |
| Molecular Weight | 424.43 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Recommended Standards
- N-(3-methoxy-5-methyl-2-pyrazinyl)-2-[4-(1,3,4-oxadiazol-2-yl)phenyl]-3-pyridinesulfonamide (CAS 186497-07-4)
- (3R,7S,17R)-12-fluoro-17-methyl-2,16-dioxa-8,14,19,23,24,26-hexaazahexacyclo[22.3.1.0³,⁷.0⁸,²⁷.0¹⁰,¹⁵.0²¹,²⁵]octacosa-1(28),10,12,14,21(25),22,26-heptaen-20-one (CAS 2359650-19-2)
- Fluorescein Impurity 9 (CAS CATO-C4X-29009)
- (E)-2-hydroxy-N'-(2-hydroxybenzylidene)-2-phenylacetohydrazide (CAS 93733-59-6)
- 898768-63-3 Ethyl 4-[3-(4-methylphenyl)propanoyl]benzoate DTXSID70644117 (CAS 898768-63-3)
- 1-(6-Methylbenzofuran-2-yl)ethanone (CAS 16564-18-4)
- Tris(4-iodophenyl)amine (CAS 4181-20-8)
- 2-Ethoxyquinoline-4-carboxylic acid (CAS 5467-62-9)
- 5-((8-(3-Fluorophenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-yl)amino)-3,3-dimethylisoindolin-1-one (CAS 1202619-60-0)
- Semaglutide impurity 67 (CAS CATO-C4X-222667)
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