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CAS Standard Abbreviations
Listing A: Terms to Abbreviations |
Listing B: Abbreviations to Terms
Listing B: Abbreviations to Terms
Standard Abbreviations, Acronyms, Special Characters, and Symbols in
CAS Computer-Readable Files and
Publications. Chemical Abstracts Service, 1993. Reproduced for educational purposes
with permission from CAS, a
Division of the American Chemical Society.
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z
A
| Abbreviation |
Full Term |
| A |
ampere (unit) |
| Å |
angstrom (unit) |
| abs. |
absolute |
| abstr. |
abstract |
| a.c. |
alternating current |
| ACTH |
adrenocorticotropin |
| addn. |
addition |
| addnl. |
additional(ly) |
| ADP |
adenosine 5'-diphosphate |
| alc. |
alcohol(ic) |
| aliph. |
aliphatic |
| alk. |
alkaline (notalkali) |
| alky. |
alkalinity |
| AMP |
adenosine 5'-monophosphate |
| amt. |
amount |
| amu |
atomic mass unit |
| anal. |
analysis, analytical(ly) |
| anhyd. |
anhydrous |
| AO |
atomic orbital |
| app. |
apparatus |
| approx. |
approximate(ly) |
| approxn. |
approximation |
| APW |
augmented planewave |
| aq. |
aqueous |
| arom. |
aromatic |
| assoc. |
associate |
| assocd. |
associated |
| assocg. |
associating |
| assocn. |
association |
| asym. |
asymmetric(al)(ly) |
| at. |
atomic |
| atm |
atmosphere (unit) |
| atm. |
atmospheric |
| ATP |
adenosine 5'-triphosphate |
| ATPase |
adenosine triphosphatase |
| av. |
average |
| AVE |
all valence electron |
B
| Abbreviation |
Full Term |
| bbl |
barrel (unit) |
| bcc. |
body centered cubic |
| BCS |
Bardeen-Cooper-Schrieffer |
| BOD |
biochemical oxygen demand |
| b.p. |
boiling point |
| Bq |
becquerel (unit) |
| Btu |
British thermal unit |
| Bu |
butyl (normal) |
| bu |
bushel (unit) |
| uB |
Bohrmagneton (unit) |
C
| Abbreviation |
Full Term |
| C |
coulomb (unit) |
| °C |
degree Celsius (centigrade) (unit) |
| cal |
calorie (unit) |
| calc. |
calculate |
| calcd. |
calculated |
| calcg. |
calculating |
| calcn. |
calculation |
| cAMP |
cyclic AMP |
| c.d. |
current density |
| CD |
circular dichroism |
| CDP |
cytidine 5'-diphosphate |
| CEPA |
coupled electron pair approximation |
| cfm |
cubic feet per minute (unit) |
| cGMP |
cyclic GMP |
| chem. |
chemical(ly), chemistry |
| CI |
configuration interaction |
| Ci |
curie (unit) |
| clin. |
clinical(ly) |
| CM-cellulose |
carboxymethyl cellulose |
| CMP |
cytidine 5'-monophosphate |
| CNDO |
complete neglect of differential overlap |
| CoA |
coenzyme A |
| COD |
chemical oxygen demand |
| coeff. |
coefficient |
| com. |
commercial(ly) |
| compd. |
compound |
| compn. |
composition |
| ConA |
concanavalin A |
| conc. |
concentrate |
| concd. |
concentrated |
| concg. |
concentrating |
| concn. |
concentration |
| cond. |
conductivity |
| const. |
constant |
| contg. |
containing |
| cor. |
corrected |
| CP |
chemically pure |
| CPA |
coherent potential approximation |
| crit. |
critical |
| cryst. |
crystalline |
| crystd. |
crystallized |
| crystg. |
crystallizing |
| crystn. |
crystallization |
| CTP |
cytidine 5'-triphosphate |
| cwt |
hundredweight (unit) |
D
| Abbreviation |
Full Term |
| D |
debye unit |
| d. |
density |
| d.c. |
direct current |
| DEAE-cellulose |
dietylaminoethyl cellulose |
| decomp. |
decompose |
| decompd. |
decomposed |
| decompg. |
decomposing |
| decompn. |
decomposition |
| degrdn. |
degradation |
| deriv. |
derivative |
| det. |
determine |
| detd. |
determined |
| detg. |
determining |
| detn. |
determination |
| diam. |
diameter |
| dil. |
dilute |
| dild. |
diluted |
| dilg. |
diluting |
| diln. |
dilution |
| DIM |
diatomics-in-molecules |
| dissoc. |
dissociate |
| dissocd. |
dissociated |
| dissocg. |
dissociating |
| dissocn. |
dissociation |
| distd. |
distilled |
| distg. |
distilling |
| distn. |
distillation |
| DMF |
dimethylformamide |
| DMSO |
dimethyl sulfoxide |
| DNA |
deoxyribonucleic acid |
| DNase |
deoxyribonuclease |
| d.p. |
degree of polymerization |
| dpm |
disintegrations per minute (unit) |
| DTA |
differential thermal analysis |
E
| Abbreviation |
Full Term |
| ECG |
electrocardiogram |
| ED |
effective dose |
| EDTA |
ethylenediaminetetraacetic acid |
| EEG |
electroencephalogram |
| EHMO |
extended Hueckel molecular orbital |
| elec. |
electric(al)(ly) |
| ELISA |
enzyme-linked immunosorbent assay |
| emf. |
electromotive force |
| emu |
electromagnetic unit |
| equil. |
equilibrium(s) |
| equiv |
equivalent (unit) |
| equiv. |
equivalent |
| esp. |
especially |
| ESR |
electron spin resonance, electron paramagnetic resonance |
| est. |
estimate |
| estd. |
estimated |
| estg. |
estimating |
| estn. |
estimation |
| esu |
electrostatic unit |
| Et |
ethyl |
| eV |
electron volt (unit) |
| evap. |
evaporate |
| evapd. |
evaporated |
| evapg. |
evaporating |
| evapn. |
evaporation |
| examd. |
examined |
| examg. |
examining |
| examn. |
examination |
| expt. |
experiment |
| exptl. |
experimental(ly) |
| ext. |
extract |
| extd. |
extracted |
| extg. |
extracting |
| extn. |
extraction |
F
| Abbreviation |
Full Term |
| F |
farad |
| °F |
degree Fahrenheit (unit) |
| FAD |
flavin adenine dinucleotide |
| fcc. |
face centered cubic |
| fermn. |
fermentation |
| FMN |
flavin mononucleotide |
| f.p. |
freezing point |
| FSGO |
floating spherical Gaussian orbital |
| FSH |
follicle-stimulating hormone |
| ft |
foot (unit) |
| ft-lb |
foot-pound (unit) |
G
| Abbreviation |
Full Term |
| g |
gram (unit) |
| g |
gravitational constant |
| G |
gauss (unit) |
| gal |
gallon (unit) |
| GDP |
guanosine 5'-diphosphate |
| GeV |
billion electron volts (unit) |
| GMP |
guanosine 5'-monophosphate |
| GTO |
Gaussian-type orbital |
| GTP |
guanosine 5'-triphosphate |
| Gy |
gray (absorbed radiation dose) (unit) |
H
| Abbreviation |
Full Term |
| h |
hour (unit) |
| H |
henry (unit) |
| ha |
hectare (unit) |
| HAM |
hydrogenic atoms in molecules |
| Hb |
hemoglobin |
| hcp. |
hexagonal close-packed |
| HMO |
Hueckel molecular orbital |
| HOMO |
highest occupied molecular orbital |
| Hz |
hertz (cycles/sec) (unit) |
I
| Abbreviation |
Full Term |
| ICSH |
interstitial cell-stimulating hormone |
| ID |
inhibitory dose |
| IDP |
inosine 5'-diphosphate |
| IEHMO |
iterative extended Hueckel molecular orbital |
| IEPA |
independent electron pair approximation |
| Ig |
immunoglobulin |
| i.m. |
intramuscular(ly) |
| IMP |
inosine 5'-monophosphate |
| in. |
inch (unit) |
| INDO |
intermediate neglect of differential overlap |
| i.p. |
intraperitoneal(ly) |
| IR |
infrared |
| irradn. |
irradiation |
| ITP |
inosine 5'-triphosphate |
| IU |
international unit |
| i.v. |
intravenous(ly) |
J
| Abbreviation |
Full Term |
| J |
joule (unit) |
K
| Abbreviation |
Full Term |
| K |
kelvin (unit), degree Kelvin |
L
| Abbreviation |
Full Term |
| L |
liter (unit) |
| lab. |
laboratory |
| lb |
pound (unit) |
| LCAO |
linear combination of atomic orbitals |
| LCFC |
linear combination of fragment configuration |
| LD |
lethal dose |
| LEED |
low energy electron diffraction |
| LH |
luteinizing hormone |
| liq. |
liquid |
| lm |
lumen (unit) |
| LUMO |
lowest unoccupied molecular orbital |
| lx |
lux (unit) |
M
| Abbreviation |
Full Term |
| m |
meter (unit) |
| m |
molal (unit) |
| M |
molar (unit) |
| m. |
melts at, melting at |
| manuf. |
manufacture |
| manufd. |
manufactured |
| manufg. |
manufacturing |
| math. |
mathematical(ly) |
| max. |
maximum |
| MC-SCF |
multiconfigurational self-consistent field |
| Me |
methyl (not metal) |
| mech. |
mechanical(ly) (not mechanism) |
| metab. |
metabolism |
| MHD |
magnetohydrodynamics |
| mi |
mile (unit) |
| MIM |
molecules-in-molecules |
| min |
minute (unit) |
| min. |
minimum(s) |
| misc. |
miscellaneous |
| mixt. |
mixture |
| MNDO |
modified neglect of diatomic overlap |
| mo |
month (unit) |
| MO |
molecular orbital |
| mol |
mole (unit) |
| mol. |
molecule, molecular |
| m.p. |
melting point |
| mph |
miles per hour (unit) |
| mRNA |
messenger RNA |
| MSH |
melanocyte-stimulating hormone |
| Mx |
maxwell (unit) |
N
| Abbreviation |
Full Term |
| NAD |
nicotinamide adenine dinucleotide |
| NADP |
nicotinamide adenine dinucleotide phosphate |
| NDDO |
neglect of diatomic differential overlap |
| neg. |
negative(ly) |
| NMN |
nicotinamide mononucleotide |
| NMR |
nuclear magnetic resonance |
| NNDO |
neglect of nonbonded differential overlap |
| no. |
number |
| NQR |
nuclear quadruple resonance |
O
| Abbreviation |
Full Term |
| obsd. |
observed |
| Oe |
oersted (unit) |
| n |
ohm (unit) |
| ORD |
optical rotatory dispersion |
| org. |
organic |
| oxidn. |
oxidation |
| oz |
ounce |
P
| Abbreviation |
Full Term |
| P |
poise (unit) |
| Pa |
pascal (unit) |
| p.d. |
potential difference |
| Ph |
phenyl |
| phys. |
physical(ly) |
| PMO |
perturbational molecular orbital |
| PNDO |
partial neglect of differential overlap |
| polymd. |
polymerized |
| polymg. |
polymerizing |
| polymn. |
polymerization |
| pos. |
positive(ly) |
| powd. |
powdered |
| ppb |
parts per billion (unit) |
| ppm |
parts per million (unit) |
| PPP |
Pariser-Parr-Pople |
| ppt. |
precipitate |
| pptd. |
precipitated |
| pptg. |
precipitating |
| pptn. |
precipitation |
| Pr |
propyl (normal) |
| prep. |
prepare |
| prepd. |
prepared |
| prepg. |
preparing |
| prepn. |
preparation |
| prodn. |
production |
| psi |
pounds per square inch (unit) |
| psia |
pounds per square inch absolute (unit) |
| psig |
pounds per square inch gage (unit) |
| pt |
pint (unit) |
| purifn. |
purification |
Q
| Abbreviation |
Full Term |
| qt |
quart (unit) |
| qual. |
qualitative(ly) |
| quant. |
quantitative(ly) |
R
| Abbreviation |
Full Term |
| R |
roentgen (unit) |
| redn. |
reduction |
| ref. |
reference |
| rem |
roentgen equivalent man (unit) |
| rep |
roentgen equivalent physical (unit) |
| reprodn. |
reproduction |
| resoln. |
resolution |
| resp. |
respective(ly) |
| RHEED |
reflection high energy electron diffraction |
| RHF |
restricted Hartree-Fock |
| RIA |
radioimmunoassay |
| RNA |
ribonucleic acid |
| RNase |
ribonuclease |
| RPA |
random phase approximation |
| rRNA |
ribosomal RNA |
| rpm |
revolutions per minute (unit) |
| RQ |
respiratory quotient |
S
| Abbreviation |
Full Term |
| s |
second (unit) |
| S |
siemens (unit) |
| sapon. |
saponification |
| sapond. |
saponified |
| sapong. |
saponifying |
| sat. |
saturate |
| satd. |
saturated |
| satg. |
saturating |
| satn. |
saturation |
| s.c. |
subcutaneous(ly) |
| SCE |
saturated calomel electrode |
| SCF |
self-consistent field |
| SEM |
scanning electron microscopy |
| sep. |
separate(ly) |
| sepd. |
separated |
| sepg. |
separating |
| sepn. |
separation |
| sol. |
soluble |
| soln. |
solution |
| soly. |
solubility |
| sp. gr. |
specific gravity |
| sp. vol. |
specific volume |
| sp. wt. |
specific weight |
| sr |
steradian (unit) |
| St |
stokes (unit) |
| std. |
standard |
| STO |
Slater-type orbital |
| sym. |
symmetric(al)(ly) |
T
| Abbreviation |
Full Term |
| T |
tesla (unit) |
| tbs |
tablespoon (unit) |
| TEAE-cellulose |
triethylaminoethyl cellulose |
| tech. |
technical(ly) |
| temp. |
temperature |
| theor. |
theoretical(ly) |
| thermodn. |
thermodynamic(s) |
| THF |
tetrahydrofuran |
| titrn. |
titration |
| tRNA |
transfer RNA |
| TSH |
thyroid-stimulating hormone |
| tsp |
teaspoon (unit) |
U
| Abbreviation |
Full Term |
| UDP |
uridine 5'-diphosphate |
| UHF |
unrestricted Hartree-Fock |
| UMP |
uridine 5'-monophosphate |
| UPS |
UV photoelectron spectroscopy |
| USP |
United States Pharmacopeia |
| UTP |
uridine 5'-triphosphate |
| UV |
ultraviolet |
V
| Abbreviation |
Full Term |
| V |
volt (unit) |
| vol. |
volume (not volatile) |
W
| Abbreviation |
Full Term |
| W |
watt (unit) |
| Wb |
weber (unit) |
| wk |
week (unit) |
| wt. |
weight |
X
| Abbreviation |
Full Term |
| XPS |
x-ray photoelectron spectroscopy |
Y
| Abbreviation |
Full Term |
| yd |
yard (unit) |
| yr |
year (unit) |
Z
| Abbreviation |
Full Term |
| ZDO |
zero differential overlap |
From
CAS Standard Abbreviations and Acronyms.
