| CI | Chemical Ionization |
| Chem. Geol. | Chemical Geology Zeitschrift |
| CJO | Chemical Journals Online |
| CSA | Chemical Shift Anisotropy |
| cscm | Chemical Shift Correlation Map |
| CSP | Chemical Spray Pyrolysis |
| DCI | Desorption Chemical Ionization |
| CVD | Chemical Vapor Deposition |
| CVI | Chemical Vapor Infiltration |
| CXF | Chemical eXchange Format |
| NCI | Negative Chemical Ionization |
| NCB | Nuclear Chemical Biologist |
| NBC | Nuclear, Biological and Chemical dt. ABC-Waffen |
| SCS | Substituent Chemical Shift |
| ECS | European Chemical Society |
| LCE | Local Chemical Equilibrium |
| CRM | Chemical Remanent Magnetization |
| CPI | Chemical Patents Index |
| COD | Chemical Oxygen Demand Chemischer Sauerstoffbedarf |
| SCI | Society of Chemical Industry |
| CA | Chemical Abstracts [engl.] |
| CAEN | Chemical And Engineering News |
| SCE | Secondary Chemical Equilibrium |
| RCG | Relational Chemical Gateway |
| PCI | Positive Chemical Ionization |
| CFM | Chemical Force Microscopy |
| ICI | Imperial Chemical Industries Hilden, http://www.ici.com |
| CML | Chemical Markup Language |
| CHI | Chemical Hazards in Industry |
| CHF | Chemical Heritage Foundation |
| IFCS | Intergovernmental Forum on Chemical Safety |
| IPCS | International Program on Chemical Safety |
| JACS | Journal of the American Chemical Society |
| MICT | Multicomponent Ideal Chemical Theory |
| MCVD | Modified Chemical Vapor Deposition |
| NICS | Nucleus Independent Chemical Shift |
| CBW | Chemical and Biological Warfare [engl.] Chemische und biologische Kriegführung |
| PCCP | Physical Chemistry and Chemical Physics |
| RACI | Royal Australian Chemical Institute |
| OPCW | Organization for the Prohibition of Chemical Weapons |
| ICCA | International Council of Chemical Association |
| AOCS | American Oil Chemical Society [engl.] |
| CAS | Chemical Abstract Service [engl.] Columbus, [OH], http://www.cas.org |
| CIIT | Chemical Industry Institute of Toxicology |
| CSNB | Chemical Safety News Base |
| ACS | American Chemical Society [engl.] Columbus, OH, http://www.chemistry.org |
| CW | Chemische Waffen [Chemical Weapons] |
| DCCA | Drying Control Chemical Additive |
| csro | Chemical Short-Range Order |
| FACE | Forum for Advancing Chemical Education |