Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

M84445

Sigma-Aldrich

S-Methylisothiourea hemisulfate salt

98%

Synonym(s):

2-Methyl-2-thiopseudourea hemisulfate salt, S-Methyl-ITU, S-Methylthiuronium sulfate, SMT

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
HN=C(NH2)SCH3 · 1/2H2SO4
CAS Number:
867-44-7
Molecular Weight:
139.19
Beilstein:
3717365
EC Number:
212-759-7
MDL number:
MFCD00013055
UNSPSC Code:
12352100
PubChem Substance ID:
24897262
NACRES:
NA.22

Assay

98%

form

crystals

mp

240-241 °C (dec.) (lit.)

SMILES string

CSC(N)=N.CSC(N)=N.OS(O)(=O)=O

InChI

1S/2C2H6N2S.H2O4S/c2*1-5-2(3)4;1-5(2,3)4/h2*1H3,(H3,3,4);(H2,1,2,3,4)

InChI key

BZZXQZOBAUXLHZ-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Biochem/physiol Actions

More potent than NMMA as an inhibitor of inducible nitric oxide synthetase (iNOS).

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Alison Mary et al.
Cerebral cortex (New York, N.Y. : 1991), 27(10), 4923-4932 (2016-09-23)
This magnetoencephalography study investigates how ageing modulates the relationship between pre-learning resting-state functional connectivity (rsFC) and subsequent learning. Neuromagnetic resting-state activity was recorded 5 min before motor sequence learning in 14 young (19-30 years) and 14 old (66-70 years) participants. We
Maciek Adamowski et al.
The Plant cell, 30(3), 700-716 (2018-03-08)
Clathrin-mediated endocytosis (CME) is a cellular trafficking process in which cargoes and lipids are internalized from the plasma membrane into vesicles coated with clathrin and adaptor proteins. CME is essential for many developmental and physiological processes in plants, but its
Nicholas H Kirkerud et al.
Frontiers in behavioral neuroscience, 11, 94-94 (2017-06-08)
The honeybee has been established as an important model organism in studies on visual learning. So far the emphasis has been on appetitive conditioning, simulating floral discrimination, and homing behavior, where bees perform exceptionally well in visual discrimination tasks. However
Leilei Bai et al.
Environmental pollution (Barking, Essex : 1987), 230, 87-95 (2017-06-27)
Phytoplankton-derived dissolved organic matter (PDOM) and macrophyte-derived dissolved organic matter (MDOM) exist ubiquitously in eutrophic freshwater lakes. To understand the heterogeneous roles of individual fluorescent DOM components in the adsorption of antibiotics onto sediment minerals, the adsorptive fractionation of DOM
Paolo Caraceni et al.
Lancet (London, England), 391(10138), 2417-2429 (2018-06-05)
Evidence is scarce on the efficacy of long-term human albumin (HA) administration in patients with decompensated cirrhosis. The human Albumin for the treatmeNt of aScites in patients With hEpatic ciRrhosis (ANSWER) study was designed to clarify this issue. We did
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service