Methiodal

Methiodal
Systematic (IUPAC) name


Sodium iodomethanesulfonate
Identifiers
CAS Number	126-31-8
ATC code	V08AA09
PubChem	CID 23662381
ChemSpider	29078
UNII	H20847G0I0^Y
Chemical data
Formula	CH₂INaO₃S
Molar mass	243.98 g/mol
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)

Methiodal is a molecule used as a contrast medium.

Contrast media (V08)

X-ray and CT

Iodinated,
Water soluble

Nephrotropic, high osmolar	Diatrizoic acid^# Metrizoic acid Iodamide Iotalamic acid Ioxitalamic acid Ioglicic acid Acetrizoic acid Iocarmic acid Methiodal Diodone

Nephrotropic, low osmolar	Metrizamide Iohexol^# Ioxaglic acid Iopamidol Iopromide Iotrolan Ioversol Iopentol Iodixanol Iomeprol Iobitridol Ioxilan

Hepatotropic	Iodoxamic acid Iotroxic acid Ioglycamic acid Adipiodone Iobenzamic acid Iopanoic acid Iocetamic acid Sodium iopodate Tyropanoic acid Calcium iopodate

Iodinated,
Water insoluble

Non-iodinated

Barium sulfate^#

MRI

Paramagnetic	Gadolinium-based: Gadobenic acid Gadobutrol Gadodiamide Gadofosveset Gadolinium Gadopentetic acid Gadoteric acid Gadoteridol Gadoversetamide Gadoxetic acid Other: Ferric ammonium citrate Mangafodipir

Superparamagnetic	Ferumoxsil Ferristene Iron oxide, nanoparticles

Other	Perflubron

Ultrasound

^#WHO-EM
^‡Withdrawn from market
Clinical trials:
- ^†Phase III
- ^§Never to phase III

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