2-(4-Oxo-2-sulfanylidene-1,3-thiazolidin-3-yl)propanoic acid CAS 39137-13-8
| CAS No. | 39137-13-8 |
| Molecular Formula | C6H7NO3S2 |
| Molecular Weight | 205.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, 2-(4-Oxo-2-sulfanylidene-1,3-thiazolidin-3-yl)propanoic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 205.25 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).
CATO supplies 2-(4-Oxo-2-sulfanylidene-1,3-thiazolidin-3-yl)propanoic acid (CAS 39137-13-8), a certified reference material (molecular formula C6H7NO3S2, MW 205.25 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2-(4-Oxo-2-sulfanylidene-1,3-thiazolidin-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.
Physical & Chemical Properties
| Molecular Formula | C6H7NO3S2 |
| Molecular Weight | 205.25 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.) | 1968 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Oxo Standards
- 3-(6-oxo-2-sulfanylidene-1,3-diazinan-1-yl)propanoic acid (CAS 6972-08-3)
- 1-Butyl-2-sulfanylidene-1,3-diazinane-4,6-dione (CAS 65959-99-1)
- 3-sulfanylidene-2,4-diazaspiro[5.5]undec-8-ene-1,5-dione (CAS 859744-26-6)
- 5-Sulfanylidene-2H,3H,5H,6H-imidazo[1,2-c]quinazolin-2-one (CAS 188250-53-5)
- 4-Sulfanylidene-8-oxa-3,5-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),10,12-tetraen-6-one (CAS 951304-83-9)
- N-(3-Sulfanylidene-3H-1,2,4-dithiazol-5-yl)cyclopropanecarboxamide (CAS 306980-54-1)
- 4-(4-Oxo-2-sulfanylidene-1,3-thiazolidin-3-yl)butanoic acid (CAS 18623-60-4)
- 4-(2-sulfanylidene-2,3-dihydro-1H-imidazol-1-yl)benzoic acid (CAS 14395-61-0)
Recommended Standards
- 2-(4-Methoxyphenyl)pyrrolidine-1-carbaldehyde (CAS 23045-60-5)
- 2-(Allyloxy)-N,N-dimethylbenzamide (CAS 63887-52-5)
- 2-(4-Methoxyphenyl)-4,4-dimethyl-4,5-dihydrooxazole (CAS 53416-46-9)
- 2-(Benzo[d][1,3]dioxol-5-yl)-4-methylpyrrolidine (CAS 603068-46-8)
- (3-Oxooctahydroquinoxalin-2(1H)-ylidene)methyl acetate (CAS 88075-43-8)
- 2-Amino-2-(3-iodophenyl)ethan-1-ol (CAS 1270342-47-6)
- 2-(5-Bromopyrrolo[2,1-f][1,2,4]triazin-2-yl)-N,N-dimethylethan-1-amine (CAS 2090298-55-6)
- Calcium Dobesilate Impurity 14 (CAS CATO-C4X-205114)
- Sivelestat sodium impurity 22 (CAS 1655497-02-1)
- Fluocinolone Acetonide Impurity 23 (CAS CATO-C4X-238123)
- 3-Phenyloxirane-2-carboxylic acid (CAS 5694-02-0)
- 4-Bromo-2-thiophenecarbonyl chloride 4-bromothiophene-2-carbonyl chloride 58777-65-4 (CAS 58777-65-4)
- 4-(Chloromethyl)-2-(4-iodophenyl)thiazole (CAS 1589081-34-4)
- Semaglutide impurity 68 (CAS CATO-C4X-222668)
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