(2'S,3a'S,7a'S)-2'-Bromo-7a'-methylhexahydrospiro[[1,3]dioxolane-2,5'-inden]-1'(6'H)-one CAS 2231081-23-3
| CAS No. | 2231081-23-3 |
| Molecular Formula | C12H17BrO3 |
| Molecular Weight | 289.17 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, bromine substitution, an aromatic ring system, (2'S,3a'S,7a'S)-2'-Bromo-7a'-methylhexahydrospiro[[1,3]dioxolane-2,5'-inden]-1'(6'H)-one is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 289.17 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).
(2'S,3a'S,7a'S)-2'-Bromo-7a'-methylhexahydrospiro[[1,3]dioxolane-2,5'-inden]-1'(6'H)-one (CAS 2231081-23-3), molecular formula C12H17BrO3 and molecular weight 289.17 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.
As a certified reference material (CRM), (2'S,3a'S,7a'S)-2'-Bromo-7a'-methylhexahydrospiro[[1,3]dioxolane-2,5'-inden]-1'(6'H)-one 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 | C12H17BrO3 |
| Molecular Weight | 289.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Br-containing |
Recommended Standards
- 2-(4-Bromobutoxy)-1,3-dimethoxybenzene (CAS 188174-51-8)
- (3-(1-Bromoethyl)phenyl)(phenyl)methanone (CAS 60695-82-1)
- (E)-1-(Benzyloxy)-3-(2-bromovinyl)benzene (CAS 1827681-64-0)
- (3-Bromophenyl)(2-ethylphenyl)methanone (CAS 951884-80-3)
- 1-((5-Bromothiophen-2-yl)methyl)piperidine-3-carboxylic acid hydrochloride (CAS 1832639-77-6)
- Gamma-Octanolactone (CAS 104-50-7)
- 2-Amino-4-fluoro-5-methylbenzoic acid (CAS 637347-83-2)
- 8-bromopyrido[3,4-b]pyrazine (CAS 929074-45-3)
- 4-Cyclopropoxy-6-methylpicolinonitrile (CAS 1243441-39-5)
- Diethyl (1,1-difluoro-2-hydroxy-4-phenylbutyl)phosphonate (CAS 481053-33-2)
- 3-Bromo-2-phenylimidazo[1,2-a]pyridine (CAS 4044-95-5)
- (3,4-Dichloroisothiazol-5-yl)methanol (CAS 944281-39-4)
- 4,6-Dibromopyrimidine (CAS 36847-10-6)
- Tetrapeptide-3 (CAS 827306-97-8)
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