2-Hydroxy-3-(2-methylthiazol-4-yl)propanoic acid CAS 1491475-27-4
| CAS No. | 1491475-27-4 |
| Molecular Formula | C7H9NO3S |
| Molecular Weight | 187.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Hydroxy-3-(2-methylthiazol-4-yl)propanoic acid (CAS 1491475-27-4), molecular formula C7H9NO3S and molecular weight 187.22 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Hydroxy-3-(2-methylthiazol-4-yl)propanoic acid (C7H9NO3S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 187.22 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.
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-Hydroxy-3-(2-methylthiazol-4-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.
Physical & Chemical Properties
| Molecular Formula | C7H9NO3S |
| Molecular Weight | 187.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| 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 Hydroxy Standards
- 3-Hydroxy-2-methyl-6-(methylsulfonyl)pyridine (CAS 1196486-66-4)
- ethyl 4-hydroxy-5-methyl-1,3-thiazole-2-carboxylate (CAS 133833-93-9)
- N-Hydroxy-4-methylbenzenesulfonamide (CAS 1593-60-8)
- 2-Hydroxy-6-methylbenzenesulfonamide (CAS 43059-22-9)
- 3-Hydroxy-N-methylbenzenesulfonamide (CAS 612499-25-9)
- 4-Hydroxy-2-methylbenzenesulfonamide (CAS 23202-51-9)
- 4-Hydroxy-N-methylbenzenesulfonamide (CAS 3077-61-0)
- 6-Hydroxy-2-thiaspiro[3.3]Heptane-6-carbonitrile 2,2-dioxide (CAS 2302173-62-0)
Recommended Standards
- 2-(Ethoxymethyl)thiazole-5-carboxylic acid (CAS 1472684-91-5)
- 2-(Ethoxymethyl)-1,3-thiazole-4-carboxylic acid (CAS 1495157-12-4)
- N-(3-aminophenyl)sulfamide (CAS 145878-34-8)
- methyl 2-(methoxymethyl)-1,3-thiazole-5-carboxylate (CAS 1512499-99-8)
- 4-(1-Methyl-1H-pyrazol-4-yl)-2-nitroaniline (CAS 959909-79-6)
- Cyclopentyl 3-(piperidinomethyl)phenyl ketone (CAS 898793-70-9)
- 1-(2-Chloro-4-fluorobenzyl)cyclopropane-1-carboxylic acid (CAS 1498791-38-0)
- 4-{[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}-N-ethylbenzenesulfonamide (CAS 1427460-37-4)
- N-(But-3-en-1-yl)-N-(2-methylbut-2-en-1-yl)cyclohexanamine (CAS 61907-94-6)
- 5-β-Androstan-3,17 Dione (CAS 1229-12-5)
- N3-Methyl-6-(trifluoromethyl)pyridine-3,4-diamine (CAS 1643139-91-6)
- N-(5-Amino-2-methoxy-phenyl)-3,4-dichloro-benzenesulfonamide (CAS 522624-60-8)
- Norfloxacin Impurity 46 (CAS CATO-C4X-146846)
- Semaglutide Impurity 8 (CAS CATO-C4X-22268)
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