2-(ethanesulfonyl)-1,3-benzothiazol-6-amine CAS 55919-37-4
| CAS No. | 55919-37-4 |
| Molecular Formula | C27H35N3O8 |
| Molecular Weight | 529.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 529.58 g/mol gives 2-(ethanesulfonyl)-1,3-benzothiazol-6-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(ethanesulfonyl)-1,3-benzothiazol-6-amine (CAS 55919-37-4), molecular formula C27H35N3O8 and molecular weight 529.58 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, 2-(ethanesulfonyl)-1,3-benzothiazol-6-amine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 529.58 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 2-(ethanesulfonyl)-1,3-benzothiazol-6-amine 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 | C27H35N3O8 |
| Molecular Weight | 529.58 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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 |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 3 |
Related ethanesulfonyl Standards
- Ethyl 6-(ethanesulfonyl)-4-(4-methylbenzenesulfonyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate (CAS 866051-03-8)
- 6-(Ethanesulfonyl)-4-(4-methoxybenzenesulfonyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid (CAS 866050-98-8)
- 6-(Ethanesulfonyl)-4-(thiophene-2-sulfonyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid (CAS 866051-07-2)
- 6-(Ethanesulfonyl)-4-methanesulfonyl-N-(2-methoxyethyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxamide (CAS 866134-43-2)
- 2-(3-Ethanesulfonyl-2,5-dimethyl-4-oxazol-2-yl-cyclohexa-1,5-dienecarbonyl)-3-hydroxy-cyclohex-2-enone (CAS 1231566-16-7)
- (3-Ethanesulfonyl-2,5-dimethyl-4-oxazol-2-yl-phenyl)-(1-ethyl-5-hydroxy-1H-pyrazol-4-yl)-methanone (CAS 1231609-13-4)
- (4-ETHANESULFONYL-2,5-DIMETHYL-3-OXAZOL-2-YL-PHENYL)-(5-HYDROXY-1-METHYL-1H-PYRAZOL-4-YL)-METHANONE (CAS 1231550-52-9)
- (3-Ethanesulfonyl-2,5-dimethyl-4-oxazol-2-yl-phenyl)-(5-hydroxy-1-methyl-1H-pyrazol-4-yl)-methanone (CAS 1231571-03-1)
Recommended Standards
- ERDRP-0519 (CAS 1374006-96-8)
- 4-Amino-1-((2R,4S,5R)-5-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-hydroxytetrahydrofuran-2-yl)pyrimidin-2(1H)-one (CAS 76512-82-8)
- Halobetasol Impurity 1 (CAS 84509-92-2)
- Relugolix Impurity 194 (CAS CATO-C4X-2429194)
- (S)-Benzyl 3-((2-aminoethyl)(cyclopropyl)amino)piperidine-1-carboxylate (CAS 1353999-96-8)
- (3-Cyclopropyl-1h-pyrazol-5-yl)methanol (CAS 1281984-39-1)
- Piribedil Impurity N3 (CAS 931-63-5)
- 2-Methylsulfanyl-3-nitro-pyridine (CAS 1353979-69-7)
- N-(2-Aminoethyl)-3-(trifluoromethyl)aniline hydrochloride (CAS 1203579-21-8)
- 4-(2-(2,6-Diamino-5-(3,4-dichlorophenyl)pyrimidin-4-yl)vinyl)benzene-1-sulfonyl fluoride (CAS 24346-18-7)
- 6-methoxy-5-methyl-1H-indole (CAS 1071973-95-9)
- (3-Amino-2,6-dibromophenyl)boronic acid (CAS 1227633-22-8)
- Epinephrine /Adrenaline Impurity 122 (CAS CATO-C4X-1849122)
- [3-31]-Semaglutide D (Sodium salt) (CAS CATO-C4X-2226119)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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