4-Chloro-2-(methylsulfonyl)thiazolo[5,4-c]pyridine CAS 1398511-49-3
| CAS No. | 1398511-49-3 |
| Molecular Formula | C7H5ClN2O2S2 |
| Molecular Weight | 248.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H5ClN2O2S2, 4-Chloro-2-(methylsulfonyl)thiazolo[5,4-c]pyridine contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 248.71 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
4-Chloro-2-(methylsulfonyl)thiazolo[5,4-c]pyridine (CAS 1398511-49-3) is a high-purity analytical reference standard with the molecular formula C7H5ClN2O2S2 and a molecular weight of 248.71 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H5ClN2O2S2 |
| Molecular Weight | 248.71 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 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
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- 6-Chlorobenzo[b]thiophene-2-sulfonic acid (CAS 1427527-63-6)
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- 2-(1-Methylazepan-4-yl)acetic acid (CAS 760907-25-3)
- N-(4-amino-2-chlorophenyl)-2-phenylacetamide (CAS 861224-60-4)
- Glycine 1,1'-anhydride (CAS 4202-74-8)
- 3-(4-(2-(tert-Butoxy)-2-oxoethoxy)phenyl)propanoic acid (CAS 1160755-26-9)
- N-(4-Methoxycyclohexyl)acetamide (CAS 1353989-46-4)
- Orforglipron Impurity 18 (CAS CATO-C4X-323418)
- n-(Furan-2-ylmethyl)-2-(thiophen-2-yl)ethan-1-amine (CAS 86052-45-1)
- Tirzepatide Impurity 20 (CAS CATO-C4X-324020)
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