2-(Methylsulfonyl)-6-nitrobenzo[d]thiazole CAS 21554-41-6
| CAS No. | 21554-41-6 |
| Molecular Formula | C8H6N2O4S2 |
| Molecular Weight | 258.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-(Methylsulfonyl)-6-nitrobenzo[d]thiazole (CAS 21554-41-6), a certified reference material (molecular formula C8H6N2O4S2, MW 258.27 g/mol) for analytical method development and quality control.
Structurally, 2-(Methylsulfonyl)-6-nitrobenzo[d]thiazole (C8H6N2O4S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 258.27 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 2-(Methylsulfonyl)-6-nitrobenzo[d]thiazole 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 | C8H6N2O4S2 |
| Molecular Weight | 258.27 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Methylsulfonyl Standards
- 2-(Methylsulfonyl)-5-nitrobenzo[d]thiazole (CAS 1199577-09-7)
- 2-(3-(Methylsulfonyl)propoxy)benzoic acid (CAS 90183-69-0)
- Ethyl 5-(1-(methylsulfonyl)cyclopropyl)furan-2-carboxylate (CAS 2773478-07-0)
- 5-(Methylsulfonyl)-6-nitrobenzo[d]oxazol-2(3H)-one (CAS 31770-95-3)
- N-(2-(4-(methylsulfonyl)phenoxy)ethyl)propan-2-amine (CAS 96939-98-9)
- N-(methylsulfonyl)-N-(o-tolyl)-L-alanine (CAS 1049812-34-1)
- 4-[(Methylsulfonyl)(phenyl)amino]butanoic acid (CAS 1183951-26-9)
- [2-(Methylsulfonyl)ethyl]carbamic Acid Benzyl Ester (CAS 146698-94-4)
Recommended Standards
- 2-(Benzyloxy)-3-methoxybenzoic acid (CAS 23806-76-0)
- 2-(Morpholin-4-yl)quinoline-4-carboxylic acid (CAS 449764-66-3)
- 2-(Acetamidomethyl)quinolin-8-yl acetate (CAS 648897-10-3)
- 2-(Pyrrolidine-1-carbonyl)-1H-indole-3-carboxylic acid (CAS 921194-90-3)
- (4-Bromo-3-fluorophenyl)(3-methoxyphenyl)methanone (CAS 750633-75-1)
- 1-Cyclopropyl-2-(phenylthio)ethan-1-one (CAS 340169-26-8)
- Hydrogen (1-acetyl-2-oxopropyl)chloro(pentane-2,4-dionato-O,O')platinate (CAS 12129-03-2)
- 5-Nitroquinolin-4(1H)-one (CAS 75755-38-3)
- 2-Bromo-6-(dimethoxymethyl)pyridine (CAS 128507-76-6)
- 3-Nitro-N-(2,2,2-trifluoroethyl)benzamide (CAS 26930-22-3)
- 2-CHLORO-4-METHYLPYRIDINE 1-OXIDE (CAS 52313-61-8)
- 3-Butoxypropanal (CAS 13159-39-2)
- 1-(4-Fluorophenyl)-N-hydroxy-1H-1,2,3-triazole-4-carboximidamide (CAS 1255791-09-3)
- Anti-TF Antigen Peptide P30-1 trifluoroacetate salt (CAS 573664-50-3)
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