(3AR,7aS)-7a-methylhexahydrobenzo[d]oxazol-2(3H)-one CAS 116535-52-5
| CAS No. | 116535-52-5 |
| Molecular Formula | C8H13NO2 |
| Molecular Weight | 155.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 155.19 g/mol gives (3AR,7aS)-7a-methylhexahydrobenzo[d]oxazol-2(3H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (3AR,7aS)-7a-methylhexahydrobenzo[d]oxazol-2(3H)-one (CAS 116535-52-5), a certified reference material (molecular formula C8H13NO2, MW 155.19 g/mol) for analytical method development and quality control.
Structurally, (3AR,7aS)-7a-methylhexahydrobenzo[d]oxazol-2(3H)-one (C8H13NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 155.19 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C8H13NO2 |
| Molecular Weight | 155.19 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Recommended Standards
- Ethyl (1R,5S,6s)-3-azabicyclo[3.1.0]hexane-6-carboxylate (CAS 1144099-54-6)
- (2S,3AR)-hexahydro-2H-isoxazolo[2,3-a]pyridine-2-carbaldehyde (CAS 116693-32-4)
- 2-Azabicyclo[2.2.2]octane-1-carboxylic acid (CAS 1124344-72-4)
- (2R,3AR)-hexahydro-2H-isoxazolo[2,3-a]pyridine-2-carbaldehyde (CAS 116721-83-6)
- 2-{1,3-dioxo-1H,2H,3H,4H-pyrazino[1,2-a]indol-2-yl}acetic acid (CAS 1209535-34-1)
- Methyl 2-amino-2-(5-bromopyrazin-2-yl)acetate (CAS 2089664-29-7)
- 3-((5-Amino-1,3,4-thiadiazol-2-yl)thio)-N-cyclohexylpropanamide (CAS 1030772-85-0)
- Methyl 4-(4-Benzyl-1-piperazinyl)-3-fluorobenzoate (CAS 1346597-56-5)
- 2-Fluoro-1-(2-fluorophenyl)ethanone (CAS 1402412-84-3)
- 1-Bromo-4-(2-fluorophenoxy)benzene (CAS 56985-66-1)
- 3-(4-Bromophenyl)-1,2-oxazole-5-carboxylic acid (CAS 901930-35-6)
- Tris(4-vinylphenyl)phosphane (CAS 95705-40-1)
- 4-Bromo-2-hydroxy-N-(1-methyl-1h-pyrazol-3-yl)benzamide (CAS 1252387-20-4)
- Glu17-Semaglutide (CAS CATO-C4X-2226209)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com