rel-2-(3-Chloro-5-(methoxymethoxy)-2-((1R,2S)-2-methylcyclopropyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 2791273-52-2
| CAS No. | 2791273-52-2 |
| Molecular Formula | C18H26BClO4 |
| Molecular Weight | 352.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 352.66 g/mol gives rel-2-(3-Chloro-5-(methoxymethoxy)-2-((1R,2S)-2-methylcyclopropyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies rel-2-(3-Chloro-5-(methoxymethoxy)-2-((1R,2S)-2-methylcyclopropyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2791273-52-2), a certified reference material (molecular formula C18H26BClO4, MW 352.66 g/mol) for analytical method development and quality control.
Structurally, rel-2-(3-Chloro-5-(methoxymethoxy)-2-((1R,2S)-2-methylcyclopropyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (C18H26BClO4) contains a steroid core, a hydroxyl group, an ether linkage, chlorine substitution. 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 352.66 g/mol, it falls into the moderately-high-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), rel-2-(3-Chloro-5-(methoxymethoxy)-2-((1R,2S)-2-methylcyclopropyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 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 | C18H26BClO4 |
| Molecular Weight | 352.66 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | Cl-containing |
Related rel Standards
- 2-(3-Chloro-5-(methoxymethoxy)-2-((1S,2R)-2-methylcyclopropyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2758756-24-8)
- Ethyl 3-(2-chloro-6-fluoro-4-(trifluoromethyl)phenoxy)-1H-pyrazole-5-carboxylate (CAS 1338333-96-2)
- (3-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)isoxazol-5-yl)(phenyl)methanone (CAS 478030-83-0)
- 2-({[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}methylidene)-2,3-dihydro-1H-indene-1,3-dione (CAS 366021-91-2)
- 2-Chloro-2-(4'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenylhydrazono)acetic acid ethyl ester (CAS 1310384-14-5)
- (R)-6-Chloro-1-(1-(2,4-dichlorophenyl)ethyl)-1H-pyrazolo[3,4-b]pyrazine-3-carbonitrile (CAS 2174940-60-2)
- 4-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)benzenesulfonamide (CAS 1427460-72-7)
- 5-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-2-(methylsulfonyl)pyrimidin-4-amine (CAS 1823183-00-1)
Recommended Standards
- 2-Allyl-4-aminophenol (CAS 35736-25-5)
- Tributyltin Chloride-D27 (CAS 1257647-76-9)
- 1-(Tert-butyl)-3-(2-chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)urea (CAS 2246564-39-4)
- 1-((4-Bromo-2-chlorophenyl)sulfonyl)azepane (CAS 851169-84-1)
- 4-Aminobenzotriazole (CAS 18076-61-4)
- Sodium 4-hydroxy-3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-4-sulfonate (CAS 478250-25-8)
- (1S)-1-(2,2-difluorobenzo[d]1,3-dioxolen-4-yl)ethylamine (CAS 1213390-36-3)
- Benzyl 2-chloro-3-oxobutanoate (CAS 104517-65-9)
- Enzalutamide Impurity 42 (CAS CATO-C4X-101642)
- (E)-2-Iodoethenyltrimethylsilane (CAS 70737-22-3)
- 1-Mercapto-4-(2-methoxyphenyl)-[1,2,4]triazolo[4,3-a]quinazolin-5(4h)-one (CAS 67443-01-0)
- Methyl 2-amino-3-fluoro-5-iodobenzoate (CAS 2091147-12-3)
- 4-Chloro-2-{[(2-chlorophenyl)methyl]sulfanyl}-5,6,7,8-tetrahydroquinazoline (CAS 338963-53-4)
- Peptide Impurity 15 (CAS 1227750-69-7)
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