(S)-tetrahydrothiophene-2-carboxylic acid CAS 63358-63-4
| CAS No. | 63358-63-4 |
| Molecular Formula | C5H8O2S |
| Molecular Weight | 132.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (S)-tetrahydrothiophene-2-carboxylic 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.
(S)-tetrahydrothiophene-2-carboxylic acid (CAS 63358-63-4), molecular formula C5H8O2S and molecular weight 132.18 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H8O2S, (S)-tetrahydrothiophene-2-carboxylic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 132.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
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.
Physical & Chemical Properties
| Molecular Formula | C5H8O2S |
| Molecular Weight | 132.18 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) | 2.0 |
| CAS Registry Year (est.) | 1975 |
| Sulfur Atoms | 1 |
Related S Standards
- (R)-tetrahydrothiophene-2-carboxylic acid (CAS 17570-08-0)
- Methyl tetrahydrothiophene-2-carboxylate (CAS 113990-87-7)
- Methyl tetrahydrothiophene-3-carboxylate (CAS 61541-28-4)
- Tetrahydrothiophene-2-carbaldehyde (CAS 117951-12-9)
- Tetrahydrothiophene 1-oxide (CAS 1600-44-8)
- Ethyl tetrahydrothiophene-2-carboxylate (CAS 18342-42-2)
- Ethyl tetrahydrothiophene-3-carboxylate (CAS 89941-46-8)
- Tetrahydrothiophene-3-carboximidamide 1,1-dioxide (CAS 1178250-54-8)
Recommended Standards
- (S)-3-(fluoromethyl)-1-methylpiperazine (CAS 2387559-82-0)
- (S)-Thiazolidine-4-carboxamide (CAS 62374-65-6)
- (R)-Thiazolidine-4-carboxamide (CAS 61434-84-2)
- 1-(2-fluoroethyl)piperazine (CAS 541505-04-8)
- 2-cyclopropyl-2-fluoroethanol (CAS 1301206-45-0)
- (2R,3R,4S,5R,6S)-2-(Hydroxymethyl)-6-methoxytetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 7432-72-6)
- 7-Amino-2,3-dimethyl-5-(methylsulfonyl)pyrazolo[1,5-a]pyrimidine-6-carbonitrile (CAS 2798825-80-4)
- EthyleneOxide (CAS 75-21-8)
- Ethyl 6-acetylnicotinate (CAS 20857-24-3)
- n-(2-(2-Aminoethoxy)phenyl)acetamide hydrochloride (CAS 263410-02-2)
- Boc-D-Gln-ONp (CAS 74086-23-0)
- Fosinoprilat-d7 (CAS 1279220-43-7)
- 4-Borono-3,5-dimethylbenzoic acid (CAS 851335-18-7)
- Semaglutide impurity 24 (CAS CATO-C4X-222624)
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