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Merck
CN

M53701

o-Methylisourea bisulfate

99%

Synonym(s):

2-Methylpseudourea monosulfate (1:1), OMI®

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About This Item

Linear Formula:
H2NC(OCH3)=NH · H2SO4
CAS Number:
29427-58-5
Molecular Weight:
172.16
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24896819
EC Number:
249-622-6
Beilstein/REAXYS Number:
3722928
MDL number:
MFCD00013132

Key Documents

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Product Name

o-Methylisourea bisulfate, 99%

InChI key

MDFRYRPNRLLJHT-UHFFFAOYSA-N

InChI

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

SMILES string

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

assay

99%

mp

118-120 °C (lit.)

Quality Level

100

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

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
STBJ1134
BCBB7503
STBC7137V
S44181V
S44181

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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.
John C Timmer et al.
The Biochemical journal, 407(1), 41-48 (2007-07-26)
Most known organisms encode proteases that are crucial for constitutive proteolytic events. In the present paper, we describe a method to define these events in proteomes from Escherichia coli to humans. The method takes advantage of specific N-terminal biotinylation of
M H Jouvin et al.
Journal of immunology (Baltimore, Md. : 1950), 133(6), 3250-3254 (1984-12-01)
Lysine epsilon-amino groups of human factor H were selectively converted to guanidino groups by treatment with 0.1 M O-methylisourea at pH 10.4. Guanidination resulted in a dose-dependent decrease in the capacity of the regulatory protein to accelerate decay dissociation of
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
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