Cyclothiazide CAS 2259-96-3
| CAS No. | 2259-96-3 |
| Molecular Formula | C14H16ClN3O4S2 |
| Molecular Weight | 389.88 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Cyclothiazide is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Cyclothiazide (CAS 2259-96-3), molecular formula C14H16ClN3O4S2 and molecular weight 389.88 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H16ClN3O4S2, Cyclothiazide 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 389.88 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 Cyclothiazide 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 | C14H16ClN3O4S2 |
| Molecular Weight | 389.88 g/mol |
| Purity | >95% (mixture of isomers) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Recommended Standards
- PIK 93 (CAS 593960-11-3)
- 2,3,5,6-Tetrafluoro-4-(trifluoromethyl)benzyl dibromide (CAS 1309602-75-2)
- N-(3-chloro-4-methoxybenzyl)-4-(4-methoxyphenyl)piperazine-1-carboxamide (CAS 866132-07-2)
- 4-Chloro-N-[3-[4-(4-Fluorophenyl)-1-Piperazinyl]-1-Methylpropyl]Benzamide (CAS 27338-62-1)
- 5-(Piperidin-1-ylsulfonyl)thiophene-2-sulfonyl chloride (CAS 1306607-14-6)
- Bis(2-(2-methoxyethoxy)ethyl)amine (CAS 5732-47-8)
- (3R,4R)-Tetrahydrofuran-3,4-diol (CAS 473-85-8)
- Benzyl (R)-aziridine-2-carboxylate (CAS 86123-05-9)
- 3-(Diphenylphosphino)benzenesulfonic acid (CAS 16704-71-5)
- (R)-Methyl 3-(((benzyloxy)carbonyl)amino)-4-hydroxybutanoate (CAS 318249-44-4)
- Ethyl 3-amino-4-((3-methoxypropyl)amino)benzoate (CAS 1220038-24-3)
- 3-(1H-Imidazol-1-yl)-1-(4-phenethylphenyl)propan-1-one (CAS 73931-85-8)
- 2-(5-(4-Chlorophenyl)isoxazol-3-yl)-N-(pyridin-4-ylmethyl)acetamide (CAS 946316-45-6)
- Protein Kinase C (19-36) Peptide (CAS 113731-96-7)
Why CATO?
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