(S)-2-(acetylthio)-4-methylpentanoic acid CAS 122999-39-7
| CAS No. | 122999-39-7 |
| Molecular Formula | C8H14O3S |
| Molecular Weight | 190.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (S)-2-(acetylthio)-4-methylpentanoic acid is closely related to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies (S)-2-(acetylthio)-4-methylpentanoic acid (CAS 122999-39-7), a certified reference material (molecular formula C8H14O3S, MW 190.26 g/mol) for analytical method development and quality control.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, (S)-2-(acetylthio)-4-methylpentanoic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 190.26 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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), (S)-2-(acetylthio)-4-methylpentanoic 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 | C8H14O3S |
| Molecular Weight | 190.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1992 |
| Sulfur Atoms | 1 |
Related S Standards
- 3-(2-(Acetylthio)ethoxy)propanoic acid (CAS 2093977-01-4)
- Methyl 3-(acetylthio)-2-chloropropanoate (CAS 32371-92-9)
- Methyl 3-(acetylthio)bicyclo[1.1.1]Pentane-1-carboxylate (CAS 131543-52-7)
- Methyl 2-(1-((acetylthio)methyl)cyclopropyl)acetate (CAS 142148-14-9)
- Methyl 3-(acetylthio)-2-methylpropanoate (CAS 97101-46-7)
- 3-Acetylthio-2-methylpropanoic Acid-d5 (CAS 1189969-31-0)
- Methyl 2-(3-((acetylthio)methyl)cyclobutyl)acetate (CAS 1956322-59-0)
- 4-(Acetylthio)butanoic acid (CAS 101421-82-3)
Recommended Standards
- 2-(Azetidin-3-yl)-1,3-benzothiazole (CAS 1228230-70-3)
- 4-(Ethylthio)tetrahydro-2h-pyran-4-carboxylic acid (CAS 1247341-86-1)
- methyl 3-(acetylsulfanyl)-2-methylbutanoate (CAS 1221397-61-0)
- 1-(Benzo[b]thiophen-2-yl)cyclopropan-1-ol (CAS 1247714-47-1)
- 3-((3-(Piperidin-4-yl)phenyl)amino)piperidine-2,6-dione dihydrochloride (CAS 2654821-92-6)
- 2-(Chloromethyl)-4-(difluoromethyl)-3-hydroxy-5-methoxypyridine (CAS 1807001-79-1)
- 13-Hydroxylupanine (CAS 15358-48-2)
- [1-(1-Benzofuran-2-carbonyl)piperidin-4-yl]methanamine (CAS 1283004-62-5)
- 1-[(2-Methylphenyl)methyl]-3-nitro-1h-pyrazole (CAS 512809-17-5)
- N-Ethyl-2-oxo-N-phenyl-2H-chromene-3-carboxamide (CAS 313494-13-2)
- (2S)-2-[(4-Methoxyphenyl)formamido]propanoic acid 93709-64-9 (CAS 93709-64-9)
- n-(2-Chloro-6-nitrophenyl)methanesulfonamide (CAS 1339907-56-0)
- tert-Butyl 7-bromospiro[indene-1,4'-piperidine]-1'-carboxylate (CAS 1160247-64-2)
- D-Asp15-Tirzepatide (CAS CATO-CPTD788919)
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