S-Methylisothiourea Hydroiodide CAS 4338-95-8

Purity 97%+In StockPharmaceutical Standards
CAS No.4338-95-8
Molecular FormulaHI
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

S-Methylisothiourea Hydroiodide CAS 4338-95-8 chemical structure

Description

Structurally, S-Methylisothiourea Hydroiodide (HIC2H6N2S) contains sulfur-containing functionality, iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 0.0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 218.05 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

S-Methylisothiourea Hydroiodide (CAS 4338-95-8) is a high-purity analytical reference standard with the molecular formula HIC2H6N2S and a molecular weight of 218.05 g/mol.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures S-Methylisothiourea Hydroiodide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaHI C2H6N2S
Molecular Weight218.05 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)0.0
CAS Registry Year (est.)1958
Halogen ContentI-containing
Nitrogen Atoms2
Sulfur Atoms1

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