Ethyl 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)spiro[3.5]non-2-ene-7-carboxylate CAS 2864444-56-2
| CAS No. | 2864444-56-2 |
| Molecular Formula | C18H29BO4 |
| Molecular Weight | 320.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Ethyl 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)spiro[3.5]non-2-ene-7-carboxylate (CAS 2864444-56-2) is a high-purity analytical reference standard with the molecular formula C18H29BO4 and a molecular weight of 320.23 g/mol.
Based on its molecular formula C18H29BO4, Ethyl 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)spiro[3.5]non-2-ene-7-carboxylate contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 320.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C18H29BO4 |
| Molecular Weight | 320.23 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
Related Ethyl Standards
- (E)-4,4,5,5-tetramethyl-2-(2-(2-methyl-[1,1'-biphenyl]-3-yl)vinyl)-1,3,2-dioxaborolane (CAS 2171558-33-9)
- 1-Methyl-4-{2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]ethyl}piperazine (CAS 1392419-83-8)
- N-[2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-4-pyridyl]thietane-3-carboxamide (CAS 2246736-39-8)
- 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1H-benzo[d]imidazole (CAS 1021919-38-9)
- 3-[3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenoxy]-propionic acid ethyl ester (CAS 1429323-80-7)
- Ethyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)propanoate (CAS 1887769-37-0)
- 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)imidazo[1,2-a]pyridine (CAS 461701-10-0)
- 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-7-(trifluoromethyl)-1H-indazole (CAS 1186334-80-4)
Recommended Standards
- Bis[4-(trifluoromethyl)phenyl]methanol (CAS 22543-52-8)
- Isopropyl 2-cyclopropyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)bicyclo[1.1.1]pentane-1-carboxylate (CAS 2609866-94-4)
- 9,9-Dimethyl-9H-fluorene-2-boronic Acid Pinacol Ester (CAS 569343-09-5)
- Methyl (2S,3S,4S,5R,6R)-6-(5-fluoro-2-oxo-1,2-dihydropyrimidin-4-yl)-3,4,5,6-tetrahydroxytetrahydro-2H-pyran-2-carboxylate (CAS 64977-52-2)
- 6-(Trifluoromethyl)-5,6-dihydrocyclopenta[c]pyrazol-4(1H)-one (CAS 2414397-69-4)
- Methyl 3-(2-(4-(2-fluorophenyl)piperazin-1-yl)acetamido)thiophene-2-carboxylate (CAS 227958-49-8)
- 4-Bromo-3,5-dimethyl-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole (CAS 1339665-24-5)
- Ethyl 3-chloro-5H,6H,7H,8H-pyrido[4,3-c]pyridazine-6-carboxylate (CAS 39715-99-6)
- (E)-(1-(4-Phenylbut-3-en-1-yl)piperidin-3-yl)methanamine hydrochloride (CAS 1353990-93-8)
- (3-Ethoxycarbonyl-2-methylallyl)triphenylphosphonium Bromide (CAS 29310-37-0)
- 5-PREGNEN-3β, 17-DIOL-20-ONE DIACETATE (CAS 1176-21-2)
- (E)-4-Hydroxy-3-((4-sulfonaphthalen-1-yl)diazenyl)naphthalene-1-sulfonic acid (CAS 13613-55-3)
- 4-Bromo-1-methyl-1h-indole-2-carboxylic acid (CAS 880349-08-6)
- (Tyr?)-C-Peptide (dog) (CAS 101135-67-5)
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