rac-(3R,3aS,6aR)-3-methoxy-hexahydro-2H-1lambda6-thieno[2,3-c]pyrrole-1,1-dione CAS 1969287-46-4
| CAS No. | 1969287-46-4 |
| Molecular Formula | C7H13NO3S |
| Molecular Weight | 191.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of rac-(3R,3aS,6aR)-3-methoxy-hexahydro-2H-1lambda6-thieno[2,3-c]pyrrole-1,1-dione is closely related to an amide group, 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.
rac-(3R,3aS,6aR)-3-methoxy-hexahydro-2H-1lambda6-thieno[2,3-c]pyrrole-1,1-dione (CAS 1969287-46-4) is a high-purity analytical reference standard with the molecular formula C7H13NO3S and a molecular weight of 191.25 g/mol.
rac-(3R,3aS,6aR)-3-methoxy-hexahydro-2H-1lambda6-thieno[2,3-c]pyrrole-1,1-dione (C7H13NO3S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, 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.
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.
As a certified reference material (CRM), rac-(3R,3aS,6aR)-3-methoxy-hexahydro-2H-1lambda6-thieno[2,3-c]pyrrole-1,1-dione 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 | C7H13NO3S |
| Molecular Weight | 191.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- N-Acetyl-S-ethyl-L-cysteine (CAS 19542-76-8)
- rac-(3R,3aR,6aS)-3-methoxy-hexahydro-2H-1lambda6-thieno[2,3-c]pyrrole-1,1-dione (CAS 1969288-44-5)
- 1-(Propane-2-sulfonyl)pyrrolidin-3-one (CAS 1934691-33-4)
- (5-(Pyridin-2-yl)thiophen-2-yl)methanol (CAS 197899-76-6)
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- Semaglutide impurity 23 (CAS CATO-C4X-222623)
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