rel-6-((4R,5R)-5-(Mercaptomethyl)-2-oxoimidazolidin-4-yl)hexanoic acid CAS 139936-57-5
| CAS No. | 139936-57-5 |
| Molecular Formula | C10H18N2O3S |
| Molecular Weight | 246.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including rel-6-((4R,5R)-5-(Mercaptomethyl)-2-oxoimidazolidin-4-yl)hexanoic acid.
rel-6-((4R,5R)-5-(Mercaptomethyl)-2-oxoimidazolidin-4-yl)hexanoic acid (CAS 139936-57-5), molecular formula C10H18N2O3S and molecular weight 246.33 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H18N2O3S, rel-6-((4R,5R)-5-(Mercaptomethyl)-2-oxoimidazolidin-4-yl)hexanoic acid contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 246.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), rel-6-((4R,5R)-5-(Mercaptomethyl)-2-oxoimidazolidin-4-yl)hexanoic 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 | C10H18N2O3S |
| Molecular Weight | 246.33 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- 1-(Bicyclo[3.1.0]hexan-3-yl)-6-(methylthio)-1H-pyrazolo[3,4-d]pyrimidine (CAS 1365170-02-0)
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- 1-[1-(2-methanesulfonylethyl)-3,5-dimethyl-1h-pyrazol-4-yl]ethan-1-ol (CAS 1343216-16-9)
- N-((2-Cyclobutylthiazol-4-yl)methyl)pyrimidin-2-amine (CAS 1427023-58-2)
- Ethyl 9-fluorodecanoate (CAS 63977-32-2)
- tert-Butyl (R)-2-(2-ethynyl-2-methylpyrrolidin-1-yl)acetate (CAS 2086689-88-3)
- Fmoc-Lys(2-chloro-Z)-OH (CAS 133970-31-7)
- (2E)-2-(4-Chlorophenyl)-3-[(3-chlorophenyl)amino]prop-2-enenitrile (CAS 338403-08-0)
- [D-Asn5]-Atosiban (CAS CATO-C4X-229316)
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- 1-Benzyl 4-methyl 3-methylpiperidine-1,4-dicarboxylate (CAS 2306262-68-8)
- 5-Amino-2-propyloxazole-4-carbonitrile (CAS 526212-38-4)
- [3'-(1,3-Dioxolan-2-yl)[1,1'-biphenyl]-4-yl] methanol (CAS 889954-17-0)
- Delicious Peptide (bovine) (CAS 73984-05-1)
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