2-(Isothiazol-3-yl)propanoic acid CAS 1500343-54-3
| CAS No. | 1500343-54-3 |
| Molecular Formula | C6H7NO2S |
| Molecular Weight | 157.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(Isothiazol-3-yl)propanoic acid 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.
2-(Isothiazol-3-yl)propanoic acid (CAS 1500343-54-3) is a high-purity analytical reference standard with the molecular formula C6H7NO2S and a molecular weight of 157.19 g/mol.
The molecular framework of 2-(Isothiazol-3-yl)propanoic acid (C6H7NO2S) is characterized by an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
Physical & Chemical Properties
| Molecular Formula | C6H7NO2S |
| Molecular Weight | 157.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Isothiazol Standards
- Methyl 2-(isothiazol-4-yl)acetate (CAS 10271-83-7)
- 4-(Isothiazol-4-yl)-2-methylbut-3-yn-2-ol (CAS 1310558-46-3)
- 2-(Isothiazol-5-yl)acetic acid (CAS 10271-84-8)
- 2-(Isothiazol-3-yl)acetic acid (CAS 10271-91-7)
- 2-(Isothiazol-4-yl)acetic acid (CAS 10271-93-9)
- 2-(Isothiazol-3-yl)-2-methylpropanoic acid (CAS 1779983-34-4)
- N-(Isothiazol-3-ylmethyl)ethanamine (CAS 952195-17-4)
- 1-(3-Methyl-isothiazol-4-yl)-ethanone (CAS 23031-80-3)
Recommended Standards
- 1-(3-Methyl-5-thioxo-1H-1,2,4-triazol-4(5H)-yl)ethanone (CAS 149747-26-2)
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- cis-7-Fluorohexahydroindolizin-3(2H)-one (CAS 148855-27-0)
- 4-Amino-2-methylthiophene-3-carboxylic acid (CAS 1555795-28-2)
- 2-Amino-5-(2-fluoroethoxy)phenol (CAS 1699753-43-9)
- 3-Aminofuran-2(5H)-one (CAS 33693-56-0)
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- 4-Methylcyclohexane-1-carbaldehyde (CAS 33242-79-4)
- 5-(4-Methoxyphenyl)-1-phenyl-1h-pyrazole-3-carboxylic acid (CAS 47209-42-7)
- 4-Chloro-4'-hydroxystilbene (CAS 6280-47-3)
- 3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)piperidine-3-carboxylic acid hydrochloride (CAS 368866-20-0)
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