Ketcher 11291713512D 1   1.00000     0.00000     0

  6  5  0     0  0            999 V2000
    3.0331   -5.1501    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.8991   -5.6501    0.0000 R#  0  0  0  0  0  0  0  0  0  0  0  0
    3.5331   -4.2841    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.5330   -4.2841    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.5330   -4.2841    0.0000 R#  0  0  0  0  0  0  0  0  0  0  0  0
    2.1670   -5.6501    0.0000 R   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0     0  0
  1  3  1  0     0  0
  1  4  1  0     0  0
  4  5  1  0     0  0
  1  6  1  0     0  0
M  RGP  2   2   1   5   2
M  END
> <ID>
CHEBI:59772

> <NAME>
hemiketal

> <DEFINITION>
A hemiacetal having the structure RR1C(OH)OR2 (R, R1, R2 ≠ H), derived from a ketone by formal addition of an alcohol to the carbonyl group.

> <STAR>
3

> <SYNONYM>
hemiketals

> <FORMULA>
CHO2R3

> <MASS>
45.017

> <MONOISOTOPIC_MASS>
44.99765

> <CHARGE>
0

> <SMILES>
C(*)(O)(O*)*

$$$$