5-Ethylidene-2-norbornene (Mixture of endo and ex) CAS 16219-75-3
Purity >95%In StockPharmaceutical Standards
| CAS No. | 16219-75-3 |
| Molecular Formula | C9H12 |
| Molecular Weight | 120.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Ethylidene-2-norbornene (Mixture of endo and ex) (CAS 16219-75-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H12. Molecular weight: 120.19 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H12 |
| Molecular Weight | 120.19 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
Related Ethylidene Standards
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- 5-Ethylidene-4-hydroxy-1H-pyrrol-2(5H)-one (CAS 63592-07-4)
- 1-Ethylidene-2-phenylhydrazine (CAS 935-07-9)
- Ethylidene,2-methoxy-1-(4-methylphenyl)-2-oxo- (CAS 428482-12-6)
- (E)-4-Ethylidene-5-methyl-3-(propan-2-ylidene)pyrrolidin-2-one (CAS 37817-45-1)
- (Z)-4-Ethylidene-5-methyl-3-(propan-2-ylidene)pyrrolidin-2-one (CAS 37817-28-0)
- N'-Ethylidene-5-methylisoxazole-3-carbohydrazide (CAS 90000-70-7)
Recommended Standards
- N-Propylbenzene (CAS 103-65-1)
- Dithiooxamide (CAS 79-40-3)
- Cumene (CAS 98-82-8)
- 3-Fluoro-5-Isopropoxyphenylboronic Acid (CAS 850589-54-7)
- (3-Morpholino-5-(trifluoromethyl)phenyl)boronic acid (CAS 1704069-70-4)
- (1H-Benzo[d]imidazol-2-yl)methyl acetate (CAS 33809-91-5)
- Lithium triisopropyl 2-(5-methylpyridyl)borate (CAS 1256364-31-4)
- (S)-Oxiran-2-ylmethyl 4-nitrobenzenesulfonate (CAS 118712-60-0)
- 5-Cyclopropoxy-N-methyl-6-(methylthio)picolinamide (CAS 1243445-88-6)
- Glucagon-like peptide 2 (CAS 89750-15-2)
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 13829788188 / jacky.chen@cato-chem.com