5,7-Dichloro-N-(2,4-dimethylphenyl)thiazolo[4,5-d]pyrimidine-2-sulfonamide CAS 1000573-16-9
| CAS No. | 1000573-16-9 |
| Molecular Formula | C13H10Cl2N4O2S2 |
| Molecular Weight | 389.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,7-Dichloro-N-(2,4-dimethylphenyl)thiazolo[4,5-d]pyrimidine-2-sulfonamide (CAS 1000573-16-9), molecular formula C13H10Cl2N4O2S2 and molecular weight 389.28 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H10Cl2N4O2S2, 5,7-Dichloro-N-(2,4-dimethylphenyl)thiazolo[4,5-d]pyrimidine-2-sulfonamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 389.28 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5,7-Dichloro-N-(2,4-dimethylphenyl)thiazolo[4,5-d]pyrimidine-2-sulfonamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H10Cl2N4O2S2 |
| Molecular Weight | 389.28 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
Related Dichloro Standards
- 5,7-Dichloro-N-(3,5-dimethylphenyl)thiazolo[4,5-d]pyrimidine-2-sulfonamide (CAS 1000573-22-7)
- 5,7-Dichloro-N-(3,4-dimethylphenyl)thiazolo[4,5-d]pyrimidine-2-sulfonamide (CAS 1000573-28-3)
- 5,7-Dichloro-N-ethyl-N-phenylthiazolo[4,5-d]pyrimidine-2-sulfonamide (CAS 1000573-46-5)
- 5,7-Dichloro-N-methyl-N-(o-tolyl)thiazolo[4,5-d]pyrimidine-2-sulfonamide (CAS 1000576-49-7)
- 26379-96-4 Ethyl 1~4~,3~4~-dichloro-2~5~-oxo-2~2~,2~3~,2~4~,2~5~-tetrahydro[1~1~,2~1~:2~3~,3~1~-terphenyl]-2~4~-carboxylate DTXSID40376897 (CAS 26379-96-4)
- {3-[(3,4-Dichloro-phenylcarbamoyl)-methyl]-4-oxo-thiazolidin-2-ylidene}-acetic acid ethyl ester (CAS 729574-24-7)
- N-(2,6-Dichloro-4-nitrophenyl)-4-methanesulfonylbenzamide (CAS 949980-68-1)
- 2,6-Dichloro-9-(3,5-di-O-acetyl-2-deoxy-α-D-erythro-pentofuranosyl)-9H-purine (CAS 4594-53-0)
Recommended Standards
- Perfluorophenyl 6-((tetrahydro-2H-pyran-4-yl)oxy)nicotinate (CAS 910036-96-3)
- 4-Chloro-2-[(4-chlorophenyl)methyl]-5-(4-fluorophenyl)thieno[2,3-d]pyrimidine (CAS 867329-94-0)
- 4-((5-Bromo-2-hydroxybenzylidene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478255-73-1)
- 4-((4-Bromobenzylidene)amino)-3-(2-methoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478256-96-1)
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- 2-(4-Ethylphenyl)pyrrolidine (CAS 298690-91-2)
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- N-(Quinolin-3-ylmethyl)-N-(4-sulfamoylphenyl)formamide (CAS 62294-91-1)
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