Lot numbers can be found on the outside label of a product:
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*For research and further manufacturing use only, not for direct human use.
Structure of 13667-12-4
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Cyclopentanone is used as an intermediate in the synthesis of rubber adhesives, synthetic resins, pharmaceuticals and biologically active compounds. It acts as precursor for the preparation of cyclopentamine and also pentethylcyclanone, cyclopentobarbital. It is a useful laboratory reagent and is used as thinner for epoxies. It can also be used as a solvent in paint and varnish removers and for electronic applications. As a dry cleaning agent, it is used for oil extraction. It is also involved in the preparation of cyclopentanone derivatives like cyclopenylamine and cyclopentanol which find application in the perfume industry.
1-Bromo-4-(phenylethynyl)benzene serves as a versatile building block in transition-metal-catalyzed coupling reactions, enabling efficient construction of conjugated biaryls and extended π-systems. The bromo group facilitates Pd-catalyzed cross-couplings, while the terminal alkyne supports Sonogashira and Glaser-type homocoupling protocols. Its bench-stable nature and compatibility with diverse functional groups make it ideal for synthetic applications in materials science and medicinal chemistry.
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GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Lot numbers can be found on the outside label of a product: