1,1-Dibromospiro[2.3]hexane CAS 33669-81-7
| CAS No. | 33669-81-7 |
| Molecular Formula | C6H8Br2 |
| Molecular Weight | 239.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 1,1-Dibromospiro[2.3]hexane (CAS 33669-81-7), a certified reference material (molecular formula C6H8Br2, MW 239.94 g/mol) for analytical method development and quality control.
Owing to bromine substitution, 1,1-Dibromospiro[2.3]hexane is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 239.94 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 1,1-Dibromospiro[2.3]hexane under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H8Br2 |
| Molecular Weight | 239.94 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Br-containing |
Related Dibromospiro Standards
- 1',4'-Dibromospiro[1,3-dioxolane-2,10'-tricyclo[5.2.1.0,2,6]decane]-3',8'-dien-5'-one (CAS 95272-45-0)
- 2’,7’-Dibromospiro[cyclopent[3]ene-1,9’-fluorene] (CAS 951884-04-1)
- 2',6'-Dibromospiro[cyclopentane-1,9'-fluorene] (CAS 925890-09-1)
- 2',7'-Dibromospiro[cyclopentane-1,9'-fluorene] (CAS 441771-49-9)
- 2',6'-Dibromospiro[cyclohexane-1,9'-fluorene] (CAS 925890-05-7)
- 2',7'-Dibromospiro[cyclohexane-1,9'-fluorene] (CAS 736138-41-3)
- 2,7-Dibromospiro[fluorene-9,4'-piperidine] (CAS 1616113-97-3)
- 2,6-Dibromospiro[cyclopenta[2,1-b:3,4-b']dithiophene-4,2'-[1,3]dioxolane] (CAS 771579-00-1)
Recommended Standards
- (2E,4E)-1,6-Dibromohexa-2,4-diene, E (CAS 63621-95-4)
- 1,2-Dibromo-1-cyclohexene (CAS 49676-92-8)
- 1,6-Dibromo-cyclohexene (CAS 17202-32-3)
- 3,6-Dibromocyclohex-1-ene (CAS 35044-00-9)
- 1-(2-phenoxyphenyl)ethan-1-amine (CAS 1019573-79-5)
- (4-Bromo-6-chloropyridin-3-yl)boronic acid (CAS 957062-85-0)
- Ethyl 4-(2,4-difluorophenyl)-4-oxobutyrate (CAS 898753-06-5)
- 6-Hydroxyhexyl acrylate (CAS 10095-14-4)
- 1172301-25-5 1-(4-Methylbenzyl)-1,2,3,6-tetrahydropyridine-4-carboxylic acid MFCD14281714 (CAS 1172301-25-5)
- 4-Amino-6-chloro-5-[(methylamino)methyl]pyrimidine (CAS 1237537-46-0)
- 2-(4-Carboxyphenyl)-3-hydroxypyridine (CAS 1261937-73-8)
- N-4-(1-Pyrene)butyroylglycyl-L-phenylalanine (CAS 228414-52-6)
- 2-(difluoromethyl)-1-methyl-1H-1,3-benzodiazole-6-carbaldehyde (CAS 2089928-82-3)
- Semaglutide impurity 60 (CAS CATO-C4X-222660)
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