5-methyl-1-(oxan-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole CAS 1698028-42-0
| CAS No. | 1698028-42-0 |
| Molecular Formula | C19H35BN2O3 |
| Molecular Weight | 350.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-methyl-1-(oxan-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole (CAS 1698028-42-0), molecular formula C19H35BN2O3 and molecular weight 350.30 g/mol, is a CATO reference standard with documented purity and traceability.
5-methyl-1-(oxan-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole (C19H35BN2O3) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 5-methyl-1-(oxan-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole 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 | C19H35BN2O3 |
| Molecular Weight | 350.30 g/mol |
| Appearance | White to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 2 |
Related methyl Standards
- N-(3-{6-[(oxan-4-yl)amino]imidazo[1,2-b]pyridazin-3-yl}phenyl)acetamide (CAS 928335-98-2)
- methyl 4-{6-[(oxan-4-yl)amino]imidazo[1,2-b]pyridazin-3-yl}benzoate (CAS 928335-94-8)
- N-(oxan-4-yl)-3-(quinoxalin-6-yl)imidazo[1,2-b]pyridazin-6-amine (CAS 1012345-32-2)
- N-(Oxan-4-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide (CAS 656239-37-1)
- 4-{6-[(oxan-4-yl)amino]imidazo[1,2-b]pyridazin-3-yl}benzene-1-sulfonamide (CAS 1012345-93-5)
- 1-[2-(oxan-2-yloxy)ethyl]-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 956907-34-9)
- (2-{6-[(oxan-4-yl)amino]imidazo[1,2-b]pyridazin-3-yl}phenyl)methanol (CAS 1012344-43-2)
- 4-{6-[(oxan-4-yl)amino]imidazo[1,2-b]pyridazin-3-yl}benzaldehyde (CAS 1012345-08-2)
Recommended Standards
- 2-(Diphenylphosphino)terephthalic acid (CAS 1537175-69-1)
- 3-Cyclopentyl-5-{4-[5-(trifluoromethyl)-1,2,4-oxadiazol-3-yl]phenyl}-1,2,4-oxadiazole (CAS 1803592-80-4)
- tert-Butyl (3S,5R)-3,5-bis(2,2,2-trifluoroethyl)piperazine-1-carboxylate (CAS 1260665-76-6)
- (9,9-Dipentyl-9h-fluoren-2-yl)boronic acid (CAS 400607-33-2)
- 5-(Trifluoromethyl)quinoline-7-carboxylic acid (CAS 959035-11-1)
- [(4S)-2,2-Dimethyl-5-oxo-1,3-dioxolan-4-yl]acetic Acid (CAS 73991-95-4)
- 2-(Benzo[d][1,3]dioxol-5-yl)-N-(4-methoxybenzyl)-1-oxo-3-(pyridin-3-yl)-1,2,3,4-tetrahydroisoquinoline-4-carboxamide (CAS 1024146-71-1)
- 1-(3,4-Dimethylbenzyl)-1H-pyrrole-3-carboxylic acid (CAS 1500889-67-7)
- Ethyl 5-(2,6-dimethylmorpholino)-3-phenyl-1,2,4-triazine-6-carboxylate (CAS 866051-58-3)
- 3-((2,5-Dioxopyrrolidin-1-yl)oxy)-3-oxopropyl acrylate (CAS 1311459-55-8)
- 4-aminopyrrolo[2,1-f][1,2,4]triazine-2-carbonitrile (CAS 2092113-97-6)
- 1-Benzyl-2-methyl-3-(4-nitrophenyl)imidazolidine (CAS 633315-70-5)
- 6-(tert-Butylthio)-4-methylnicotinic acid (CAS 1355181-69-9)
- Tau Peptide (301-315) trifluoroacetate salt (CAS 330456-48-9)
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