9-(2-Carboxy-2-cyanovinyl)julolidine
9-(2-Carboxy-2-cyanovinyl)julolidine (CAS: 142978-18-5; C16H16N2O2) is a fluorescent molecular rotor supplied by Tech Serve Solutions. With a molecular weight of 268.31, this compound functions as a fluorescent probe whose quantum yield is enhanced by restricted molecular rotation. It is suitable for fluorescence applications and is soluble in DMSO and chloroform. This reagent is primarily utilised in biochemical research and detection methodologies.
- IUPAC
- 9-([E]-2-Carboxy-2-cyanovinyl)julolidine,CCVJ

Fluorescent Molecular Rotor
This compound acts as a fluorescent molecular rotor, meaning its fluorescence intensity and quantum yield increase as the freedom of molecular rotation decreases. This property makes it valuable for studying microviscosity and molecular dynamics in various environments.
Fluorescent Probe for Protein and Biomolecule Studies
As a fluorescent probe, it can be employed to investigate the binding and environment of proteins and other biomolecules. The change in fluorescence upon interaction with these targets provides insights into their structure and function.
Biochemical Detection and Imaging
Its fluorescent properties lend themselves to applications in biochemical detection and imaging assays. The compound can be used in techniques requiring sensitive fluorescent readouts, such as microscopy and flow cytometry, when appropriately labelled or utilised.
| Molecular weight | 268.31 |
|---|---|
| Empirical formula | C16H16N2O2 |
| Assay | ≥97.0% (HPLC) |
| Solubility | DMSO: solublechloroform: soluble |
| Application | Fluorescent probe for binding to proteins etc., quantum yield increases by decreasing free rotation: fluorescent molecular rotor. |
| Suitability | suitable for fluorescence |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Product Line | BioReagent |
|---|---|
| Fluorescence | λex 433 nm; λem 500 nm in 50 mM Tris pH 8.0; 40% glycerol |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 9-(2-Carboxy-2-cyanovinyl)julolidine used for?
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9-(2-Carboxy-2-cyanovinyl)julolidine is primarily used as a fluorescent molecular rotor and probe. It is employed in biochemical research to study molecular dynamics, microviscosity, and to detect interactions with biomolecules like proteins.
What is the CAS number and formula for 9-(2-Carboxy-2-cyanovinyl)julolidine?
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The CAS number for 9-(2-Carboxy-2-cyanovinyl)julolidine is 142978-18-5, and its molecular formula is C16H16N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 9-(2-Carboxy-2-cyanovinyl)julolidine with an assay of ≥97.0% (HPLC). TSS does not represent this product as USP, BP, EP, or any pharmacopoeia grade.
What are the safety considerations for handling this chemical?
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This compound is classified with a GHS07 symbol and the signal word 'Warning'. It carries hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves, should be used when handling.
How is 9-(2-Carboxy-2-cyanovinyl)julolidine packed and shipped?
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Products are carefully packed and exported by Tech Serve Solutions, adhering to international shipping regulations for chemicals. Specific packaging details can be provided upon request.
How can I request a quote or sample?
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To request a quote or a sample of 9-(2-Carboxy-2-cyanovinyl)julolidine, please contact the Tech Serve Solutions sales team through our website or by phone.
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