5-Ethylidene-2-norbornene (Mixture of endo and ex) CAS 16219-75-3

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-Ethylidene-2-norbornene (Mixture of endo and ex).

5-Ethylidene-2-norbornene (Mixture of endo and ex) (CAS 16219-75-3), molecular formula C9H12 and molecular weight 120.19 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to an aromatic ring system, 5-Ethylidene-2-norbornene (Mixture of endo and ex) is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 120.19 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).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures 5-Ethylidene-2-norbornene (Mixture of endo and ex) 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

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