1-(Phenylsulfonyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole CAS 1073372-04-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1073372-04-9 |
| Molecular Formula | C15H19BN2O4S |
| Molecular Weight | 334.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(Phenylsulfonyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1073372-04-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H19BN2O4S. Molecular weight: 334.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H19BN2O4S |
| Molecular Weight | 334.20 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 | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Phenylsulfonyl Standards
- 2-Phenyl-1-(phenylsulfonyl)-1H-indole (CAS 114650-12-3)
- 3-Phenyl-1-(phenylsulfonyl)-1H-indole (CAS 153827-73-7)
- N-(4-(phenylsulfonyl)thiophen-3-yl)furan-2-carboxamide (CAS 861209-96-3)
- 2-(4-(Phenylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-2-yl)acetic acid (CAS 1713476-47-1)
- 1-(Phenylsulfonyl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrole (CAS 2377605-95-1)
- 1-(Phenylsulfonyl)piperidin-4-one O-methylsulfonyl oxime (CAS 477847-30-6)
- (1-(Phenylsulfonyl)piperidin-4-yl)(piperidin-1-yl)methanone (CAS 326177-41-7)
- 2-(2-(Phenylsulfonyl)-1,2,3,4-tetrahydroisoquinolin-1-yl)acetic acid (CAS 329905-83-1)
Recommended Standards
- Tert-butyl 2-(2-(3,5-dichlorophenoxy)-1-iminoethyl)hydrazine-1-carboxylate (CAS 1053656-08-8)
- Carprofen Impurity 3 (CAS 114041-34-8)
- Boc-Phe(3,5-Cl)-OH (CAS 1051934-98-5)
- 1219982-25-8 1754AD 4-[2-(4-Isopropylphenoxy)ethyl]piperidine hydrochloride C16H26ClNO (CAS 1219982-25-8)
- 2-Bromo-5-phenyl-1,3,4-thiadiazole, 97% (CAS 53645-95-7)
- N-(3-fluorobenzyl)-3-morpholinopropan-1-amine (CAS 510764-53-1)
- 6-Chloro-6-heptenoic acid (CAS 731773-28-7)
- 7-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydronaphthalen-1(2H)-one (CAS 1135871-91-8)
- 2-Oxa-8-azaspiro[5.5]undecane (CAS 67952-11-8)
- Semaglutide impurity 249 (CAS CATO-C4X-2226249)
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