1-(2-methanesulfonylethyl)-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole CAS 1339892-52-2
| CAS No. | 1339892-52-2 |
| Molecular Formula | C12H25BN2O4S |
| Molecular Weight | 304.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(2-methanesulfonylethyl)-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1339892-52-2), molecular formula C12H25BN2O4S and molecular weight 304.21 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(2-methanesulfonylethyl)-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (C12H25BN2O4S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 1.5, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 304.21 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 1-(2-methanesulfonylethyl)-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 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 | C12H25BN2O4S |
| Molecular Weight | 304.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.5 |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related methanesulfonylethyl Standards
- 1-[1-(2-methanesulfonylethyl)-3,5-dimethyl-1h-pyrazol-4-yl]propan-1-one (CAS 1282827-40-0)
- 1-[1-(2-methanesulfonylethyl)-3,5-dimethyl-1h-pyrazol-4-yl]ethan-1-ol (CAS 1343216-16-9)
- 1-[1-(2-methanesulfonylethyl)-3,5-dimethyl-1H-pyrazol-4-yl]ethan-1-one (CAS 1344063-71-3)
- n'-(2-Methanesulfonylethyl)(tert-butoxy)carbohydrazide (CAS 255873-70-2)
- 4-(2-Methanesulfonylethyl)-5-methyl-4h-1,2,4-triazole-3-thiol (CAS 1179647-97-2)
- 1-(2-Methanesulfonylethyl)piperidin-4-amine (CAS 920111-82-6)
- 5-(2-Methanesulfonylethyl)imidazolidine-2,4-dione (CAS 1008068-90-3)
- 1-(2-methanesulfonylethyl)-3,5-dimethyl-1H-pyrazole (CAS 1341874-47-2)
Recommended Standards
- 4'-(Difluoromethoxy)-3-(trifluoromethoxy)-1,1'-biphenyl (CAS 1261853-45-5)
- Meta-Chlorambucil (CAS 134862-11-6)
- 4-(Difluoromethoxy)-4'-(trifluoromethoxy)-1,1'-biphenyl (CAS 1261828-35-6)
- 4-Bromo-3,5-difluoro-2-((trimethylsilyl)ethynyl)aniline (CAS 1467060-37-2)
- 2,4-Dimethylisoquinolin-1(2H)-one (CAS 33930-75-5)
- Alprostadil (Prostaglandin E1) Impurity 5 (PGE0) (CAS 19313-28-1)
- 2-(5-(4-Nitrophenyl)-1H-pyrazol-3-yl)acetonitrile (CAS 175604-23-6)
- (9Z,11E)-Tetradecadien-1-yl Acetate (CAS 50767-79-8)
- 1-Methyl-2,5-dihydro-1H-pyrrole (CAS 554-15-4)
- 2-amino-N-(3-fluorophenyl)acetamide (CAS 938338-32-0)
- 1-(2,6-Dimethylpyrimidin-4-yl)pyrrolidine-3-carboxylic acid (CAS 1342219-83-3)
- (3-Aminocyclopentyl)methanol hydrochloride (CAS 2138162-83-9)
- Methyl 2,5-dichloro-3-methoxyisonicotinate (CAS 1305325-16-9)
- Endo-38a-Pro-Exenatide trifluoroacetate salt (CAS 1678416-95-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com