3-(2-Chloroacetamido)-4-methoxybenzene-1-sulfonyl chloride CAS 728864-70-8
| CAS No. | 728864-70-8 |
| Molecular Formula | C9H9Cl2NO4S |
| Molecular Weight | 298.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-(2-Chloroacetamido)-4-methoxybenzene-1-sulfonyl 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.
3-(2-Chloroacetamido)-4-methoxybenzene-1-sulfonyl chloride (CAS 728864-70-8) is a high-purity analytical reference standard with the molecular formula C9H9Cl2NO4S and a molecular weight of 298.14 g/mol.
Structurally, 3-(2-Chloroacetamido)-4-methoxybenzene-1-sulfonyl chloride (C9H9Cl2NO4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 298.14 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
Physical & Chemical Properties
| Molecular Formula | C9H9Cl2NO4S |
| Molecular Weight | 298.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloroacetamido Standards
- Methyl 3-(2-chloroacetamido)-3-(4-isopropylphenyl)propanoate (CAS 866018-06-6)
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- Methyl 3-(2-chloroacetamido)-6-methoxy-1H-indole-2-carboxylate (CAS 843638-66-4)
- 1-(Chloroacetamido)anthraquinone (CAS 20149-91-1)
- Ethyl 2-((5-(2-chloroacetamido)-1,3,4-thiadiazol-2-yl)thio)acetate (CAS 1173045-81-2)
- Methyl 2-(2-chloroacetamido)-3-(1h-indol-3-yl)propanoate (CAS 108273-71-8)
- Ethyl 2-(2-chloroacetamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 60442-41-3)
- Methyl 2-(2-chloroacetamido)-4H,5H,6H,7H,8H-cyclohepta[b]thiophene-3-carboxylate (CAS 438029-03-9)
Recommended Standards
- 3-((2,6-Dichlorophenyl)sulfonamido)propanoic acid (CAS 612042-78-1)
- 3-(5-Bromo-2,4-dimethoxyphenyl)-1H-pyrazol-5-amine (CAS 502132-64-1)
- 2-Phenoxypyrimidine-5-boronic acid pinacol ester, >97% (CAS 330792-85-3)
- 4-(6-Bromoimidazo[1,2-a]pyridin-2-yl)benzonitrile (CAS 864941-90-2)
- (5-Bromopentyl)malonic acid diethyl ester (CAS 1906-95-2)
- Epoxy acrolein diethyl acetate (CAS 13269-77-7)
- 2,2-Dimethyl-5-morpholinopentan-1-amine (CAS 1466274-26-9)
- Boc-N-Me-D-Tyr-OH · DCHA (CAS 178208-61-2)
- tert-Butyl 4-(2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)acetyl)piperazine-1-carboxylate (CAS 1401697-54-8)
- 2-(4-(3-Bromopropoxy)phenyl)ethan-1-ol (CAS 214614-63-8)
- 2-Amino-1-(3,4-dimethoxyphenyl)-4,5-dimethyl-1H-pyrrole-3-carbonitrile (CAS 1096940-02-1)
- 1-(4-Methyl-6-(phenylthio)pyridin-3-yl)ethan-1-amine (CAS 1355192-51-6)
- 7-BROMO-3,4-DIHYDRO-2H-BENZO[B][1,4]OXAZINE-2-CARBOXYLIC ACID (CAS 1782770-61-9)
- Semaglutide (CAS CATO-C4X-2226105)
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