Hydroxymethyl group

Hydroxymethyl group
	; Hydroxymethyl group covalently bonded to an R group
Names
	IUPAC name Hydroxymethyl group
Identifiers
CAS Number	2597-43-5 ;
3D model (JSmol)	Interactive image;
ChemSpider	121313 ;
PubChem CID	137654;
	InChI InChI=1S/CH3O/c1-2/h2H,1H2 Key: CBOIHMRHGLHBPB-UHFFFAOYSA-N ;
	SMILES [CH2]O;
Properties
Chemical formula	−CH2OH
Molar mass	31.034 g·mol−1
Thermochemistry
Std enthalpy of; formation (ΔfH⦵298)	−9 kJ/mol
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

The hydroxymethyl group is the name for a substituent with the structural formula −CH₂−OH. It consists of a methylene bridge (−CH₂− unit) bonded to a hydroxyl group (−OH). This makes the hydroxymethyl group an alcohol. It has the identical chemical formula with the methoxy group (−O−CH₃) that differs only in the attachment site and orientation to the rest of the molecule. However, their chemical properties are different.

Hydroxymethyl is the side chain of encoded amino acid serine.

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