Butyric (S)-4,4-dimethoxy-3-oxopyrrolidine-2-carboxylic anhydride CAS 6342-54-7
| CAS No. | 6342-54-7 |
| Molecular Formula | C20H22O6 |
| Molecular Weight | 358.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Butyric (S)-4,4-dimethoxy-3-oxopyrrolidine-2-carboxylic anhydride (CAS 6342-54-7), molecular formula C20H22O6 and molecular weight 358.39 g/mol, is a CATO reference standard with documented purity and traceability.
Butyric (S)-4,4-dimethoxy-3-oxopyrrolidine-2-carboxylic anhydride (C20H22O6) contains a flavonoid core, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), Butyric (S)-4,4-dimethoxy-3-oxopyrrolidine-2-carboxylic anhydride 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 | C20H22O6 |
| Molecular Weight | 358.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Butyric Standards
- Butyric (2S)-3-hydroxy-1-methyl-4-((phenylsulfonyl)oxy)pyrrolidine-2-carboxylic anhydride (CAS 828276-82-0)
- Butyric (2S)-4-(2,4-dichlorophenoxy)-2-methylpyrrolidine-2-carboxylic anhydride (CAS 51550-64-2)
- Butyric 4-(diethylamino)benzoic anhydride (CAS 106263-54-1)
- Butyric (2S)-3-hydroxy-4-((methylsulfonyl)oxy)pyrrolidine-2-carboxylic anhydride (CAS 828276-71-7)
- Butyric 2,2-dimethylbutanoic anhydride (CAS 29138-64-5)
- Butyric phosphoric anhydride (CAS 4378-06-7)
- Butyric Anhydride (CAS 106-31-0)
- Butyric propionic anhydride (CAS 874525-73-2)
Recommended Standards
- Benzoic Acid, 2,2'-(1,2-ethanediyl)bis[6-methoxy-,dimethylester] (CAS 365543-17-5)
- Clemaphenol A (CAS 362606-60-8)
- 7-(Benzyloxy)-5-methoxy-2-phenyl-4H-chromen-4-one (CAS 681294-57-5)
- Dehydrodiconiferyl alcohol (CAS 4263-87-0)
- 4-oxo-4-(2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)butanoic acid (CAS 64483-55-2)
- [[1,1′-Biphenyl]-2-ylbis(1,1-dimethylethyl)phosphine][1,1,1-trifluoro-N-[(trifluoromethyl)sulfonyl]methanesulfonamidato-κN]gold (CAS 1036000-94-8)
- (4-Bromophenyl)(4-ethoxyphenyl)methanone (CAS 351003-30-0)
- 2-(2-Chloro-4-formyl-6-methoxyphenoxy)-N-(4-chlorophenyl)acetamide (CAS 792945-82-5)
- Ethyl 5-amino-1-(quinolin-8-yl)-1H-pyrazole-3-carboxylate (CAS 1427020-04-9)
- Diethyl ((1S)-(6-methoxyquinolin-4-yl)(5-vinylquinuclidin-2-yl)methyl)phosphoramidate (CAS 1354565-15-3)
- 4-Chloro-6-(furan-2-yl)-5-methyl-5H-pyrrolo[3,2-d]pyrimidine (CAS 871025-17-1)
- n-Benzoylbenzamide (CAS 614-28-8)
- 2-(6-Bromo-4-oxoquinolin-1(4H)-yl)acetamide (CAS 1267498-97-4)
- Acetyl Tetrapeptide- 15 (CAS 928007-64-1)
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