(R)-2-(Methylthio)propanoic acid CAS 33178-97-1
| CAS No. | 33178-97-1 |
| Molecular Formula | C4H8O2S |
| Molecular Weight | 120.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (R)-2-(Methylthio)propanoic acid (CAS 33178-97-1), a certified reference material (molecular formula C4H8O2S, MW 120.17 g/mol) for analytical method development and quality control.
Structurally, (R)-2-(Methylthio)propanoic acid (C4H8O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 120.17 g/mol, it falls into the low-molecular-weight range.
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), (R)-2-(Methylthio)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 | C4H8O2S |
| Molecular Weight | 120.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1966 |
| Sulfur Atoms | 1 |
Related R Standards
- (Methylthio)methyl acetate (CAS 16437-69-7)
- Methyl 2-(methylthio)acetate (CAS 16630-66-3)
- 3-(Methylthio)propionic acid (CAS 646-01-5)
- 1-(Methylthio)butan-2-ol (CAS 76137-53-6)
- 2-Methyl-2-(methylthio)-1-propanol (CAS 27874-69-7)
- 4-(Methylthio)butanol (CAS 20582-85-8)
- (3-(Methylthio)propyl)hydrazine (CAS 1183373-27-4)
- 1,1-Bis(methylthio)ethylene (CAS 51102-74-0)
Recommended Standards
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