Enter elements in proper case, for example,
H for hydrogen not h
Cl for chlorine, neither CL, cl nor cL
Omit leading multipliers. For example, with water of
hydration enter
NaSO4(H2O)2 but not
NaSO4.2H2O
|
The following abbreviations are recognized
abbreviation | meaning |
Me | methyl (CH3) |
Et | ethyl (CH3CH2) |
-- | note that Pr is not an abbreviation
since this is also the symbol for
element 59, Praseodymium |
Bu | butyl, s-butyl, t-butyl (C4H9) |
Am | amyl = pentyl (C5H11) |
Ph | phenyl (C6H5) |
Bn | benzyl (PhCH2) |
Ac | acetyl (CH3CO) |
Cp | cyclopentadienyl (C5H5) |
Ts | p-toluenesulfonyl (tosyl) |
Tf | trifluoromethanesulfonyl (trifyl) |
Ms | methanesulfonyl (mesyl) |
Aaa | standard amino acid residue
abbreviations, for example, Gly |
|