(4-tert-butylphenyl)methanesulfonyl chloride CAS 519056-61-2
| CAS No. | 519056-61-2 |
| Molecular Formula | C11H15ClO2S |
| Molecular Weight | 246.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 246.75 g/mol gives (4-tert-butylphenyl)methanesulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(4-tert-butylphenyl)methanesulfonyl chloride (CAS 519056-61-2) is a high-purity analytical reference standard with the molecular formula C11H15ClO2S and a molecular weight of 246.75 g/mol.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, (4-tert-butylphenyl)methanesulfonyl chloride is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 246.75 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (4-tert-butylphenyl)methanesulfonyl chloride meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H15ClO2S |
| Molecular Weight | 246.75 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related tert Standards
- 4-(4-Butylphenyl)-2-chloropyrimidine (CAS 2306369-71-9)
- 1-(4-Butylphenyl)-2-chloro-2,2-difluoroethan-1-one (CAS 1352226-56-2)
- 1-[(4-tert-Butylphenyl)methyl]-1,4-diazepane (CAS 1019109-90-0)
- 1-(4-Butylphenyl)heptan-1-one (CAS 1352222-62-8)
- (4-Butylphenyl)(thiophen-2-yl)methanol (CAS 944522-75-2)
- 4-(4-Butylphenyl)-5-methylthiazol-2-amine (CAS 438225-08-2)
- 1-(4-tert-butylphenyl)-1,4-diazepan-5-one (CAS 1235440-95-5)
- Ethyl 2-(4-butylphenyl)cyclopropane-1-carboxylate (CAS 832737-95-8)
Recommended Standards
- 4-(2-Methylbutan-2-yl)benzene-1-sulfonyl chloride (CAS 169677-20-7)
- 2,3,4,5,6-Pentamethylbenzene-1-sulfonyl chloride (CAS 52499-94-2)
- [4-(2-Methylpropyl)phenyl]methanesulfonyl chloride (CAS 1538270-17-5)
- 4-Pentylbenzenesulfonyl chloride (CAS 73948-18-2)
- 2-(Dimethylamino)-4-hydroxybenzenesulfonamide (CAS 1243390-35-3)
- 7-Bromo-1-methyl-2-phenyl-1H-imidazo[4,5-c]pyridine (CAS 1044772-00-0)
- Tert-butyl (S)-3-(aminomethyl)-3-methylpiperidine-1-carboxylate (CAS 2306253-67-6)
- 2-(2,4-Difluorophenoxy)-4,8-dimethylquinoline (CAS 478032-29-0)
- (E)-5-(2,4-dichlorostyryl)-1,3,4-oxadiazole-2(3H)-thione (CAS 478041-73-5)
- 5-Methylisothiazol-3(2H)-one (CAS 2825-29-8)
- 8-methoxy-2,3,4,5-tetrahydro-1H-1-benzazepine;hydrochloride (CAS 17537-86-9)
- 4-(5-Iodo-2,3-dihydrobenzotriazol-1-yl)thiane 1,1-dioxide (CAS 2723102-66-5)
- 2-(Aminomethyl)-4-bromo-N,N-dimethylaniline (CAS 1600173-08-7)
- Semaglutide impurity 44 (CAS CATO-C4X-222644)
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