(2R)-2-[[(1,1-Dimethylethyl)diphenylsilyl]oxy]-5-(trimethylsilyl)-4-pentyn-1-ol CAS 1251537-18-4
| CAS No. | 1251537-18-4 |
| Molecular Formula | C24H34O2Si2 |
| Molecular Weight | 410.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, a hydroxyl group, an ether linkage, (2R)-2-[[(1,1-Dimethylethyl)diphenylsilyl]oxy]-5-(trimethylsilyl)-4-pentyn-1-ol is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 410.70 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
(2R)-2-[[(1,1-Dimethylethyl)diphenylsilyl]oxy]-5-(trimethylsilyl)-4-pentyn-1-ol (CAS 1251537-18-4), molecular formula C24H34O2Si2 and molecular weight 410.70 g/mol, is a CATO reference standard with documented purity and traceability.
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), (2R)-2-[[(1,1-Dimethylethyl)diphenylsilyl]oxy]-5-(trimethylsilyl)-4-pentyn-1-ol 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 | C24H34O2Si2 |
| Molecular Weight | 410.70 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
Related R Standards
- (1S)-2′-[[(1,1-Dimethylethyl)methylamino]carbonyl][1,1′-binaphthalene]-2-carboxylic acid (CAS 2646622-01-5)
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- (2R)- 2-[[(1,1-Dimethylethyl)diphenylsilyl]oxy]-5-(trimethylsilyl)-4-pentynal (CAS 1220354-17-5)
- 2-(1,1-Dimethylethyl)-2,6-dihydro-1-(1H-indazol-5-ylcarbonyl)spiro[piperidine-4,5(7H)-pyrano[3,2-c]pyrazol]-7-one (CAS 1197815-64-7)
- 1,3-Bis(1,1-dimethylethyl) 2-(5-bromo-2-chlorophenyl)imidodicarbonate (CAS 929000-06-6)
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- (2S) -2- [[[(1, 1- Dimethylethyl) diphenylsilyl] oxy] methyl] - 1, 3- oxathiolan- 5- ol 5- Acetate (CAS 202532-88-5)
Recommended Standards
- 2-(4-Bromophenyl)-7-chloro-N-phenylquinazolin-4-amine (CAS 405932-32-3)
- N1-(2-Methyl-3-(4,6,6-triethoxy-3,7-dioxa-4,6-disilanonan-4-yl)propyl)ethane-1,2-diamine (CAS 1621184-23-3)
- 1,6-Bis(triethoxysilyl)hexane (CAS 52034-16-9)
- Ethyl (R,E)-3-(methyldiphenylsilyl)-3-(trimethylsilyl)hex-4-enoate (CAS 2087969-56-8)
- 3-(Thiophen-2-yl)prop-2-ynoic acid (CAS 4843-44-1)
- Propyl 2-hydroxy-6-methylisonicotinate (CAS 40975-42-6)
- 1,3,4-oxadiazole-2-carboxylic acid (CAS 944907-12-4)
- 2-(1H-Benzo[d]imidazol-2-yl)butan-2-ol (CAS 59336-53-7)
- 3-(3-Chloro-5-fluorophenyl)-3-cyanopropiophenone (CAS 898750-25-9)
- 2-Methoxy-4-methyl-6-phenylimidazo[1,5-a]pyrimidine (CAS 88875-19-8)
- 1-Methyl-1H-benzo[d]imidazole-5-carboxamide (CAS 90564-71-9)
- 5-Methoxybenzo[b]thiophene-3-carbaldehyde (CAS 123392-42-7)
- (2R,5R)-Methyl 1,5-dimethylpyrrolidine-2-carboxylate (CAS 38228-17-0)
- (2S)-2-amino-4-(hydroxymethylphosphinyl)butanoyl-L-alanyl-L-alanine (2S)-2-amino-4-[hydroxy(methyl)phosphinoyl]butyryl-L-alanyl-L-alanine 2-Amino-4-(methylphosphino)butyrylalanylalanine 35597-43-4 Antibiotic SF 1293 Bialaphos CHEBI:3088 L-phosphinothricyl-L-alanyl-L-alanine N-{(2S)-2-amino-4-[hydroxy(methyl)phosphoryl]butanoyl}-L-alanyl-L-alanine PTT Phosphinothricylalanylalanine bilanafos gamma-(Hydroxymethylphosphinyl)-L-alpha-aminobutyryl-L-alanyl-L-alanine phosphinothricin tripeptide (CAS 35597-43-4)
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