(S)-4-Methyl-2-(thiophene-2-carboxamido)pentanoic acid hydrochloride CAS 1093404-71-7
| CAS No. | 1093404-71-7 |
| Molecular Formula | C11H15NO3S |
| Molecular Weight | N/A |
| 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 (S)-4-Methyl-2-(thiophene-2-carboxamido)pentanoic acid hydrochloride.
(S)-4-Methyl-2-(thiophene-2-carboxamido)pentanoic acid hydrochloride (CAS 1093404-71-7), molecular formula C11H15NO3SHCl and molecular weight 277.76 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H15NO3SHCl, (S)-4-Methyl-2-(thiophene-2-carboxamido)pentanoic acid hydrochloride contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 277.76 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
CATO manufactures (S)-4-Methyl-2-(thiophene-2-carboxamido)pentanoic acid hydrochloride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H15NO3S HCl |
| Molecular Weight | 277.76 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- 2,4-Dibromo-3-methylbenzenesulfonyl chloride (CAS 1349718-63-3)
- 6-Fluoro-5-nitropyrimidin-4-amine (CAS 667-89-0)
- Zatebradine hydrochloride (CAS 91940-87-3)
- 5-Cyano-4-ethyl-3-methyl-1H-pyrrole-2-carboxylic acid (CAS 942-74-5)
- (2E)-2-(5-Acetylthiophen-2-yl)-3-(thiophen-2-yl)prop-2-enenitrile (CAS 338795-32-7)
- 5-(3-Chlorophenoxy)-N-(4-fluorophenyl)-1,3-dimethyl-1H-pyrazole-4-carboxamide (CAS 303997-93-5)
- 2-Chloro-6-propoxynaphthalene (CAS 1881295-21-1)
- 5-(4-Chlorophenoxy)-6-methylpyrimidine-2,4-diamine (CAS 7331-19-3)
- Methyl 6-hydroxybenzo[b]thiophene-2-carboxylate (CAS 1029720-28-2)
- [3,5 Diiodo-Tyr7] Peptide T (CAS 128551-40-6)
Why CATO?
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