(4R)-4-(2-chlorophenyl)-2-hydroxy-5,5-dimethyl-1,3,2-dioxaphosphinane 2-oxide CAS 98674-87-4
| CAS No. | 98674-87-4 |
| Molecular Formula | C11H14ClO4P |
| Molecular Weight | 276.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (4R)-4-(2-chlorophenyl)-2-hydroxy-5,5-dimethyl-1,3,2-dioxaphosphinane 2-oxide (CAS 98674-87-4), a certified reference material (molecular formula C11H14ClO4P, MW 276.65 g/mol) for analytical method development and quality control.
Structurally, (4R)-4-(2-chlorophenyl)-2-hydroxy-5,5-dimethyl-1,3,2-dioxaphosphinane 2-oxide (C11H14ClO4P) contains a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 276.65 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (4R)-4-(2-chlorophenyl)-2-hydroxy-5,5-dimethyl-1,3,2-dioxaphosphinane 2-oxide 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 | C11H14ClO4P |
| Molecular Weight | 276.65 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
Related R Standards
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Recommended Standards
- 1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-3-methyl-1H-pyrazol-5-amine (CAS 172600-30-5)
- 2-(5-Chloro-2-fluorophenyl)pteridin-4(3H)-one (CAS 914289-59-1)
- 4-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-1-methyl-1H-pyrazol-5-amine (CAS 1644602-69-6)
- 5-Chloro-N,N-dimethyl-2-(trifluoromethyl)pyrido[2,3-d]pyridazin-8-amine (CAS 2890563-16-1)
- tert-Butyl (3-amino-5-methoxyphenyl)carbamate (CAS 1292317-93-1)
- 3-Bromo-4-(difluoromethyl)benzonitrile (CAS 1261476-24-7)
- 5,5-Dimethyl-2-phenylthiazolidine-4-carboxylic acid (CAS 56614-75-6)
- 2-(6-Chloro-2-oxo-2,3-dihydroimidazo[1,2-a]pyridin-3-yl)acetic acid (CAS 653599-21-4)
- N-(2-Iodophenyl)-4-methoxybenzamide (CAS 329939-01-7)
- (S)-4-(tert-butoxy)-2-methyl-4-oxobutanoate (CAS 182007-75-6)
- 4-Chloro-2-(((4-(methylthio)phenyl)amino)methyl)phenol (CAS 1019586-35-6)
- Rel-(1s,3R,4r,5S,7r)-1,4-dibromoadamantane (CAS 39646-72-5)
- 1-(3-(3-(Trifluoromethyl)phenyl)-1H-1,2,4-triazol-5-yl)ethanamine (CAS 1281510-50-6)
- Semaglutide impurity 34 (CAS CATO-C4X-222634)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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