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M53701

Sigma-Aldrich

o-Methylisourea bisulfate

99%

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Synonym(s):
2-Methylpseudourea monosulfate (1:1), OMI®
Linear Formula:
H2NC(OCH3)=NH · H2SO4
CAS Number:
29427-58-5
Molecular Weight:
172.16
Beilstein:
3722928
EC Number:
249-622-6
MDL number:
MFCD00013132
UNSPSC Code:
12352100
PubChem Substance ID:
24896819
NACRES:
NA.22

Quality Level

100

Assay

99%

mp

118-120 °C (lit.)

SMILES string

COC(N)=N.OS(O)(=O)=O

InChI

1S/C2H6N2O.H2O4S/c1-5-2(3)4;1-5(2,3)4/h1H3,(H3,3,4);(H2,1,2,3,4)

InChI key

MDFRYRPNRLLJHT-UHFFFAOYSA-N

Gene Information

human ... OPRD1(4985) , OPRK1(4986) , OPRM1(4988)
rat ... Oprd1(24613) , Oprm1(25601)

Related Categories

Legal Information

OMI is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Cheng Guo et al.
European journal of mass spectrometry (Chichester, England), 24(5), 384-396 (2018-07-26)
Modified peptides fragmented by collision-induced dissociation can offer additional sequence information, which is beneficial for the de novo sequencing of peptides. Here, the model peptide VQGESNDLK was carbamylated. The optimal conditions were as follows: temperature of 90℃, pH of 7
Dmitry S Loginov et al.
Parasites & vectors, 12(1), 212-212 (2019-05-08)
The availability of tick in vitro cell culture systems has facilitated many aspects of tick research, including proteomics. However, certain cell lines have shown a tissue-specific response to infection. Thus, a more thorough characterization of tick cell lines is necessary.
S I Shalabi et al.
The Journal of dairy research, 49(4), 607-617 (1982-11-01)
Several dicarbonyl compounds (glyoxal, substituted glyoxals, diacetyl and 1, 2-cyclohexanedione) had a marked stabilizing effect on the heat stability of milk, especially in the presence of urea. These reagents are believed to modify arginine more or less specifically suggesting an
Jessica Z Bereszczak et al.
Journal of the American Society for Mass Spectrometry, 18(2), 201-207 (2006-10-28)
Development of a quantification method based on isotopic variants of O-methyl isourea (OMIU) in conjunction with reversed-phase (RP) liquid chromatography (LC) electrospray mass spectrometry is described for determining the relative quantification of tau-related peptides Ac-VQIVXK-NH2. Extracted ion chromatograms of the
V M Mahnir et al.
Toxicon : official journal of the International Society on Toxinology, 29(7), 819-826 (1991-01-01)
The effect of modification of amino groups on RTX-III induced lethality in mice has been studied. The toxicity was not affected by guanidination of one or two lysine residues with O-methylisourea, but guanidination of three or four lysine residues decreased
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