Methiodal

Methiodal is a pharmaceutical drug that was used as an iodinated contrast medium for X-ray imaging.^[1] Its uses included myelography (imaging of the spinal cord); for this use, cases of adhesive arachnoiditis have been reported, similar to those seen under the contrast medium iofendylate.^[2]

Methiodal

Clinical data
Trade names	Abrodil, Conturex, Kontrast U
ATC code	V08AA09 (WHO)
Identifiers
IUPAC name Sodium iodomethanesulfonate
CAS Number	143-47-5 Y Sodium salt: 126-31-8 Y
PubChem CID	23662381
DrugBank	DB13321 Y
ChemSpider	29078
UNII	H20847G0I0 Sodium salt: 3880P18UBM Y
KEGG	D09213
CompTox Dashboard (EPA)	DTXSID701035794
ECHA InfoCard	100.004.348
Chemical and physical data
Formula	CH2INaO3S
Molar mass	243.98 g·mol−1
3D model (JSmol)	Interactive image
SMILES C(S(=O)(=O)[O-])I.[Na+]
InChI InChI=1S/CH3IO3S.Na/c2-1-6(3,4)5;/h1H2,(H,3,4,5);/q;+1/p-1 Key:COCJIVDXXCJXND-UHFFFAOYSA-M
(verify)

It is not known to be marketed anywhere in the world in 2021.^[3]