(1S,5S,6R)-5-(Acetyloxy)-7-oxabicyclo[4.1.0]hept-2-ene-3-carboxylic Acid Methyl Ester CAS 494195-98-1
| CAS No. | 494195-98-1 |
| Molecular Formula | C10H12O5 |
| Molecular Weight | 212.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, (1S,5S,6R)-5-(Acetyloxy)-7-oxabicyclo[4.1.0]hept-2-ene-3-carboxylic Acid Methyl Ester is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 212.20 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
(1S,5S,6R)-5-(Acetyloxy)-7-oxabicyclo[4.1.0]hept-2-ene-3-carboxylic Acid Methyl Ester (CAS 494195-98-1), molecular formula C10H12O5 and molecular weight 212.20 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C10H12O5 |
| Molecular Weight | 212.20 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Recommended Standards
- (1R,2S)-2-Amino-1-(4-nitrophenyl)-1,3-propanediol (CAS 2792-51-0)
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- 2-(3,5-Dimethoxyphenoxy)acetic acid (CAS 19728-23-5)
- (S)-2-(2-Amino-3-(furan-2-yl)propanamido)acetic acid (CAS 918957-67-2)
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- 1-Bromo-2-(2-methylbenzyl)benzene (CAS 884-27-5)
- n'-(1-(Dichloromethyl)-2,3-dihydro-1h-indene-2-carbonyl)-4-fluoro-n',3,5-trimethylbenzenesulfonohydrazide (CAS 680580-02-3)
- N-(2,2,2-trifluoroethyl)tetrahydrofuran-3-amine (CAS 1340202-90-5)
- 4-Ethoxy-N-hydroxy-3-methoxybenzimidamide (CAS 885957-43-7)
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- tert-Butyl (S)-(4-methylpent-1-yn-3-yl)carbamate (CAS 143327-78-0)
- (3-Chloro-4-methylphenyl)(2-methylpiperazin-1-yl)methanone hydrochloride (CAS 1604510-08-8)
- Semaglutide Impurity 162 (x TFA Salt) (CAS CATO-C4X-2226162)
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