1-((5-Bromothiophen-2-yl)sulfonyl)-2-methylpiperazine hydrochloride CAS 1261234-85-8
| CAS No. | 1261234-85-8 |
| Molecular Formula | C9H13BrN2O2S2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, 1-((5-Bromothiophen-2-yl)sulfonyl)-2-methylpiperazine hydrochloride is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 361.70 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 1-((5-Bromothiophen-2-yl)sulfonyl)-2-methylpiperazine hydrochloride (CAS 1261234-85-8), a certified reference material (molecular formula C9H13BrN2O2S2HCl, MW 361.70 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), 1-((5-Bromothiophen-2-yl)sulfonyl)-2-methylpiperazine hydrochloride 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 | C9H13BrN2O2S2 HCl |
| Molecular Weight | 361.70 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Bromothiophen Standards
- 4,7-Bis(5-bromothiophen-2-yl)-5,6-dinitrobenzo[c][1,2,5]thiadiazole (CAS 1000000-27-0)
- 3-(3-Bromothiophen-2-yl)propan-1-ol (CAS 1000508-67-7)
- 3-(5-Bromothiophen-2-yl)propan-1-amine (CAS 1000510-45-1)
- 3-(5-Bromothiophen-2-yl)propan-1-ol (CAS 1000518-75-1)
- 3-(4-bromothiophen-2-yl)propan-1-ol (CAS 1000529-80-5)
- 2-(3-Bromothiophen-2-yl)ethan-1-amine (CAS 1000532-83-1)
- 3,6-Bis(5-bromothiophen-2-yl)-2,5-bis(2-ethylhexyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione (CAS 1000623-95-9)
- N-((5-Bromothiophen-2-yl)methyl)-1-(3,4-difluorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 1001413-88-2)
Recommended Standards
- ethyl 2-[(2-chloroacetyl)amino]-3,3,3-trifluoro-2-hydroxypropanoate hydrate (CAS 328270-26-4)
- tert-Butyl (1-((S)-2-amino-3-methylbutanoyl)pyrrolidin-3-yl)(cyclopropyl)carbamate (CAS 1354025-66-3)
- 3-(2-(Dimethylamino)-4-(morpholin-2-yl)pyrimidin-5-yl)benzamide hydrochloride (CAS 1361115-66-3)
- Tert-butyl 3-aminopyrazine-2-carboxylate (CAS 1259480-21-1)
- Budesonide Impurity 51 (CAS CATO-C4X-138951)
- Piperazine Impurity 48 (CAS CATO-C4X-242748)
- 2-Chloro-n-[4-(2-chlorophenyl)-1,3-thiazol-2-yl]acetamide (CAS 338957-50-9)
- 1,3-Phenylenedimethanamine dihydrochloride (CAS 51964-30-8)
- 4-Bromo-2-butoxybenzamide (CAS 1257665-13-6)
- Prolactin-Releasing Peptide (12-31), rat (CAS 222988-10-5)
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