| Abbreviation | Definition |
|---|---|
| CR | Chemically Resistant |
| Cr | Chromium |
| CRA | Corrosion Resistant Alloy |
| CRAC | Chemical Regulatory Annual Conference |
| CRAP | Crude Reagent And Products |
| CRCA | Component Refurbishment And Chemical Analysis |
| CRDCD | Chemical Reactions Discrete Chaotic Dynamics |
| CREB | Cyclicamp Response Element Binding |
| CRF | Charge Remote Fragmentation |
| CRIAM | Chemical Reaction and Image Analysis for Mobility |
| CRIF | Chemistry Research Instrumentation and Facilities |
| CRL | Calcium, Rust, and Lime |
| CRN | Chemical Reactor Network |
| CRNT | Chemical Reaction Network Theory |
| CRNT | Chemical Reaction Network Toolbox |
| CRNT | Chemical Recovery Navigation Tool |
| CRS | Chemical Reference Substances |
| CRS | Complete Residue System |
| CRSD | Chemical Reference Sources Database |
| CRSS | Chemical Review Search Strategy |