'indispensible component' is correct and usable in written English.
You can use it to refer to something that is essential or crucial in order to achieve a desired outcome. For example, "Creativity is an indispensible component in the development of successful marketing campaigns."
For this reason, Acanthodes has become an indispensible component in early gnathostome phylogenies1,11,12,13,14,15,16,17.
Establishing and properly maintaining a client trust account is serious business and an indispensible component of your law practice.
The table-setting Rajon Rondo, perhaps Boston's most indispensible component, completed his splendid series with 21 points and 12 assists.
External fixation, and circular external fixation in particular, has evolved as an indispensible component of contemporary trauma and limb reconstruction surgery.
Though not essential for maintaining its helical structure, the bound RNA is an indispensible component in the assembly process of NLC particles.
Fe acac 3 has a strong metal-ligand binding, mainly due to the chelate effect of the bidentate ligand acac, and does not allow the generation of iron oxide hydroxide species, an indispensible component for the self-assembly structures.
It charges just $8,000 for its own TubeSat kit (13cm long by 9cm in diameter), which includes the case, indispensible components like power and communications, as well as the launch, making it well within reach of many hobbyists and academic clubs (who supply circuit boards and instrumentation of their own).
They are indispensible components of global climate action.
Transcripts of PEP-dependent chloroplast genes are severely reduced in fln seedlings by qRT-PCR analysis, indicating that FLN proteins are indispensible components of the TAC complex.
The public health community can contribute to the establishment of and participate in routine training programs and exercises that are indispensible components of preparedness and response to chemical incidents.
RNAs form an indispensible part of the cell's architecture.
