

share
Cyclopentene, 1-Methyl-3-(1-Methylethyl)-2-(1-Propynyl)- (9Ci) CAS NO 126133-03-7
Unit Price:
CAS No.:126133-03-7
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Cyclopentene, 1-Methyl-3-(1-Methylethyl)-2-(1-Propynyl)- (9Ci) is a specialized, high-purity organic compound identified by CAS NO 126133-03-7. This chemical serves as a valuable, structurally complex intermediate for advanced organic synthesis and fine chemical manufacturing. It is primarily sought by research and development laboratories and industrial chemists working in the fields of pharmaceuticals, agrochemicals, and advanced material science.
Application
- Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and complex drug candidates.
- Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators.
- Advanced Material Precursor: Serves as a monomer or specialty additive in the development of polymers and functional materials with specific properties.
- Organic Synthesis Research: A versatile reagent for constructing complex molecular architectures in academic and industrial R&D settings.
- Flavor and Fragrance Industry: Potential intermediate for synthesizing unique terpene-based aroma chemicals.
- Catalyst Ligand Development: Used in the preparation of novel ligands for catalytic systems in asymmetric synthesis.
Basic Information
| Product Name | Cyclopentene, 1-Methyl-3-(1-Methylethyl)-2-(1-Propynyl)- (9Ci) |
| CAS No. | 126133-03-7 |
| Molecular Formula | C12H18 |
| Molecular Weight | 162.27 g/mol |
| Synonyms | 1-Methyl-3-isopropyl-2-propynylcyclopentene; 2-(1-Propynyl)-1-methyl-3-(1-methylethyl)cyclopentene; 1-Methyl-3-(1-methylethyl)-2-(1-propynyl)cyclopentene; Cyclopentene, 1-methyl-3-(1-methylethyl)-2-(1-propynyl)-; (9CI); 126133-03-7 |
| EINECS | Contact for details |
Quality Control
Our Cyclopentene, 1-Methyl-3-(1-Methylethyl)-2-(1-Propynyl)- (9Ci) is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and batch-to-batch consistency suitable for demanding synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flames. Due to its complex organic structure, it is recommended to store under an inert atmosphere for long-term stability and to minimize potential degradation.
Specification
| Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Identification (IR) | Conforms to structure |
| Assay (GC) | ≥ 95.0% |
| Purity (HPLC) | ≥ 97.0% |
| Water Content (KF) | ≤ 0.5% |
| Residue on Ignition | ≤ 0.1% |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


Dipentene CAS NO 68956-56-9


cis-1,4-Dimethylcyclohexane CAS NO 624-29-3


1,3-Cyclopentadiene CAS NO 542-92-7


Cycloheptatriene CAS NO 544-25-2


1,2,3,4,5-Pentamethylcyclopentadiene CAS NO 4045-44-7


1,2-Dimethylcyclopentane CAS NO 2452-99-5


5-Ethyl-Cyclopenta-1,3-Diene CAS NO 22516-13-8


trans-1,4-Dimethylcyclohexane CAS NO 2207-04-7


Cyclopentene CAS NO 142-29-0


4-Vinyl-1-Cyclohexene CAS NO 100-40-3


1,2-Diphenylethane CAS NO 103-29-7


1,2,3,4-Tetrahydronaphthalene CAS NO 119-64-2


Tricyclene CAS NO 508-32-7


Decahydronaphthalene CAS NO 91-17-8


p-Menthane CAS NO 99-82-1


Methylcyclohexane CAS NO 108-87-2


Cyclohexane CAS NO 110-82-7


Cyclohexene CAS NO 110-83-8


2,5-Norbornadiene CAS NO 121-46-0


Tricyclo[1.1.0.02,4]Butane CAS NO 157-39-1
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.





