(R)-2-(6-Aminobenzo[d]thiazol-2-yl)-4,5-dihydrothiazole-4-carboxylic acid CAS 5571-98-2
| CAS No. | 5571-98-2 |
| Molecular Formula | C11H9N3O2S2 |
| Molecular Weight | 279.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (R)-2-(6-Aminobenzo[d]thiazol-2-yl)-4,5-dihydrothiazole-4-carboxylic acid (C11H9N3O2S2) 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 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 279.34 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.
CATO supplies (R)-2-(6-Aminobenzo[d]thiazol-2-yl)-4,5-dihydrothiazole-4-carboxylic acid (CAS 5571-98-2), a certified reference material (molecular formula C11H9N3O2S2, MW 279.34 g/mol) for analytical method development and quality control.
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 | C11H9N3O2S2 |
| Molecular Weight | 279.34 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related R Standards
- (S)-2-(6-Aminobenzo[d]thiazol-2-yl)-4,5-dihydrothiazole-4-carboxylic acid (CAS 161055-47-6)
- N-(2-Aminobenzo[d]thiazol-6-yl)cyclohexanecarboxamide (CAS 351437-66-6)
- N-(6-Aminobenzo[d]thiazol-2-yl)cyclohexanecarboxamide (CAS 313504-94-8)
- 1-(3-Aminobenzo[d]isothiazol-6-yl)-2-bromoethan-1-one (CAS 2920209-64-7)
- Phenyl 2-aminobenzo[d]thiazole-6-carboxylate (CAS 519019-61-5)
- N-(2-aminobenzo[d]thiazol-6-yl)benzamide (CAS 52603-58-4)
- Methyl 4-(5-aminobenzo[d]oxazol-2-yl)benzoate (CAS 313497-77-7)
- 3-Aminobenzo[e]pyrene (CAS 120014-98-4)
Recommended Standards
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- 2,3-dihydro-6-fluoroindole-7-carboxaldehyde (CAS 603310-02-7)
- Dequalinium 2*Chloride x*Hydrate (CAS 1255077-34-9)
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