1-(Methylsulfonyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrole CAS 1256360-09-4
| CAS No. | 1256360-09-4 |
| Molecular Formula | C11H18BNO4S |
| Molecular Weight | 271.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-(Methylsulfonyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrole.
1-(Methylsulfonyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrole (CAS 1256360-09-4), molecular formula C11H18BNO4S and molecular weight 271.14 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(Methylsulfonyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrole (C11H18BNO4S) 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 3.5, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 271.14 g/mol, it falls into the medium-molecular-weight range. 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 1-(Methylsulfonyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrole 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 | C11H18BNO4S |
| Molecular Weight | 271.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 1990 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methylsulfonyl Standards
- 2-(4-Methylsulfonyl-2-nitrophenyl)malondialdehyde (CAS 197251-71-1)
- Methyl 4-(methylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-6-carboxylate (CAS 1160474-62-3)
- 2-(4-(Methylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-2-yl)acetic acid (CAS 1708380-66-8)
- 6-Methyl-4-(methylsulfonyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid (CAS 1858255-03-4)
- (R)-6-(4-(methylsulfonyl)phenoxy)-1,4-oxazepane (CAS 1795788-61-2)
- Methyl 4-[(methylsulfonyl)(phenyl)amino]butanoate (CAS 1858255-01-2)
- [4'-(Methylsulfonyl)[1,1'-biphenyl]-4-yl] acetonitrile (CAS 893737-90-1)
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Recommended Standards
- 4-Amino-2-((2-bromoallyl)thio)pyrimidine-5-carbonitrile (CAS 1252521-90-6)
- 5,6,7-Trinitro-2,3-dihydrobenzo[b][1,4]dioxine (CAS 135399-56-3)
- 3-Difluoromethoxy-6-(trifluoromethyl)pyridine-2-acetic acid (CAS 1227561-57-0)
- 2-(2,4-Dichlorophenyl)-2-morpholinoacetonitrile (CAS 135595-04-9)
- (R)-3-(4-Fluoro-2-nitrophenoxy)pyrrolidine hydrochloride (CAS 1286207-35-9)
- 2-Phenyl-2-(trifluoromethyl)pyrrolidine (CAS 1269151-41-8)
- 5-(4-Fluorophenyl)-4,5-dihydro-1H-pyrazole (CAS 1337564-73-4)
- 5-(Methoxycarbonyl)-2-nitrobenzoic Acid (CAS 76143-33-4)
- 4-(4-Nitro-benzyl)-tetrahydro-pyran-4-carboxylic acid methyl ester (CAS 1229626-92-9)
- n-(Propan-2-yl)-2-({[(propan-2-yl)carbamoyl]methyl}amino)acetamide hydrochloride (CAS 1171438-67-7)
- 2-(N’-hydroxycarbamimidoyl)-N-phenylacetamide (CAS 61239-31-4)
- 7-Chloro-2-methyl-1H-imidazo[1,2-b]pyrazole (CAS 110701-34-3)
- 1-{5-[(diethylamino)methyl]-1,2,4-oxadiazol-3-yl}cyclopentan-1-amine dihydrochloride (CAS 1208416-21-0)
- Tirzepatide Impurity 17 (CAS CATO-C4X-324017)
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