(S)-2-amino-2-(5-chlorothiophen-2-yl)propanoic acid CAS 68056-35-9
| CAS No. | 68056-35-9 |
| Molecular Formula | C7H8ClNO2S |
| Molecular Weight | 205.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(S)-2-amino-2-(5-chlorothiophen-2-yl)propanoic acid (CAS 68056-35-9), molecular formula C7H8ClNO2S and molecular weight 205.66 g/mol, is a CATO reference standard with documented purity and traceability.
(S)-2-amino-2-(5-chlorothiophen-2-yl)propanoic acid (C7H8ClNO2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), (S)-2-amino-2-(5-chlorothiophen-2-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 | C7H8ClNO2S |
| Molecular Weight | 205.66 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1976 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related S Standards
- (R)-2-amino-3-(5-chlorothiophen-2-yl)propanoic acid (CAS 1151862-89-3)
- (r)-3-Amino-3-(5-chlorothiophen-2-yl)propanoic acid (CAS 1270060-15-5)
- (r)-3-Amino-3-(4-chlorothiophen-2-yl)propanoic acid (CAS 1366284-77-6)
- (s)-3-Amino-3-(4-chlorothiophen-2-yl)propanoic acid (CAS 1366563-92-9)
- 2-Amino-3-(4-chlorothiophen-2-yl)propanoic acid (CAS 1539705-03-7)
- 3-Amino-3-(4-chlorothiophen-2-yl)propanoic acid (CAS 194229-24-8)
- (S)-2-amino-3-(5-chlorothiophen-2-yl)propanoic acid (CAS 911471-88-0)
- Ethyl 2-amino-4-chlorothiophene-3-carboxylate (CAS 90312-14-4)
Recommended Standards
- (4-Chlorophenyl)methanesulfonamide (CAS 71799-35-4)
- (3-Chlorophenyl)methanesulfonamide (CAS 89782-88-7)
- 2-(chloromethyl)benzene-1-sulfonamide (CAS 81629-77-8)
- (2-Chlorophenyl)methanesulfonamide (CAS 89665-79-2)
- 1,2,3,4-tetrahydroquinoxaline-2-carboxamide (CAS 90559-19-6)
- Bicyclo[1.1.1]pentane-1,3-dicarboxamide (CAS 1379318-53-2)
- 2-Azaspiro[3.5]nonan-7-ol (CAS 1434141-67-9)
- 3-Chlorophenylglyoxal hydrate (CAS 1082715-90-9)
- 1-Bromo-4-fluoro-2-(2,2,2-trifluoroethoxy)benzene (CAS 870063-18-6)
- 4-(2-Chloropyrimidin-4-yl)morpholine (CAS 62968-37-0)
- 2-{[4-(4-methoxyphenyl)-4h-1,2,4-triazol-3-yl]sulfanyl}acetic acid (CAS 66297-67-4)
- 3-Iodo-4-methoxybenzonitrile (CAS 82504-06-1)
- (S)-1-(3-chloro-4-methoxyphenyl)-2-methylpropan-1-amine (CAS 1213021-47-6)
- Myristoyl Pentapeptide-4 (CAS 1392416-25-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com