2-(9H-Fluoren-2-yl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane CAS 922706-40-9
| CAS No. | 922706-40-9 |
| Molecular Formula | C19H21BO2 |
| Molecular Weight | 292.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 292.18 g/mol gives 2-(9H-Fluoren-2-yl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(9H-Fluoren-2-yl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane (CAS 922706-40-9), molecular formula C19H21BO2 and molecular weight 292.18 g/mol, is a CATO reference standard with documented purity and traceability.
2-(9H-Fluoren-2-yl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane (C19H21BO2) contains a steroid core, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-(9H-Fluoren-2-yl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H21BO2 |
| Molecular Weight | 292.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related H Standards
- (9H-Fluoren-9-yl)methyl (2-cyanoethyl)carbamate (CAS 849472-67-9)
- 1-(9h-Fluoren-2-yl)ethane-1-sulfonyl chloride (CAS 1282178-73-7)
- 1-(9h-Fluoren-2-yl)-5-oxopyrrolidine-3-carboxylic acid (CAS 1019109-76-2)
- (9H-Fluoren-9-yl)methyl but-3-en-1-ylcarbamate (CAS 185563-67-1)
- (9H-Fluoren-9-yl)methyl methyl(2-oxoethyl)carbamate (CAS 147687-06-7)
- (9H-Fluoren-9-yl)methyl (3-oxopropyl)carbamate (CAS 267410-86-6)
- (9H-Fluoren-9-yl)methyl diethylcarbamate (CAS 119306-69-3)
- (9H-Fluoren-9-yl)methyl (2-amino-2-oxoethyl)carbamate (CAS 115057-37-9)
Recommended Standards
- 2-(4-methoxy-3-propoxy-phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2246765-89-7)
- 2-[4-(2-Ethoxyethoxy)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2096997-06-5)
- 2-(3-Isopropoxy-5-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2096329-95-0)
- 2-Bromo-6-fluoro-5-(trimethylsilyl)pyridine-3-carboxylic acid (CAS 2089277-02-9)
- 3-Ethyl-3-methylhexahydro-1H-pyrrolo[1,2-c]imidazol-1-one (CAS 197709-31-2)
- 3-azaspiro[5.5]undecan-9-one hydrochloride (CAS 1225437-09-1)
- 2-[(Morpholin-4-ylcarbonyl)amino]benzoic acid (CAS 21282-65-5)
- 2-Amino-N-(2-chloro-6-fluorobenzyl)acetamide (CAS 1267670-93-8)
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- 5-(3-Hydroxypropyl)furan-3-carbaldehyde (CAS 732284-23-0)
- 1-Benzyl-4-(6-fluoropyridin-2-yl)piperazine (CAS 1305009-15-7)
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