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Merck

455598

O-Methylisourea hemisulfate salt

99%

Synonym(s):

OMI®

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100 G

CZK 6,020.00

CZK 6,020.00

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About This Item

Linear Formula:
H2NC(OCH3)=NH · 1/2H2SO4
CAS Number:
52328-05-9
Molecular Weight:
123.12
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24868581
EC Number:
257-851-8
Beilstein/REAXYS Number:
3723107
MDL number:
MFCD00040594

Key Documents

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Product Name

O-Methylisourea hemisulfate salt, 99%

InChI key

QSCPQKVWSNUJLJ-UHFFFAOYSA-N

InChI

1S/2C2H6N2O.H2O4S/c2*1-5-2(3)4;1-5(2,3)4/h2*1H3,(H3,3,4);(H2,1,2,3,4)

SMILES string

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

assay

99%

form

solid

mp

163-167 °C (lit.)

solubility

water: soluble 100 mg/mL, clear, colorless

functional group

amine

Quality Level

200

Gene Information

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

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Show Differences

1 of 4

This Item
M53701O1376HPA050306
O-Methylisourea hemisulfate salt 99%

Sigma-Aldrich

455598

O-Methylisourea hemisulfate salt

o-Methylisourea bisulfate 99%

Sigma-Aldrich

M53701

o-Methylisourea bisulfate

Orotidine 5′-monophosphate trisodium salt ≥99% (HPLC), powder

Sigma-Aldrich

O1376

Orotidine 5′-monophosphate trisodium salt

Anti-MIER1 antibody produced in rabbit Prestige Antibodies® Powered by Atlas Antibodies, affinity isolated antibody

Sigma-Aldrich

HPA050306

Anti-MIER1 antibody produced in rabbit

assay

99%

assay

99%

assay

≥99% (HPLC)

assay

-

Quality Level

200

Quality Level

100

Quality Level

200

Quality Level

100

solubility

water: soluble 100 mg/mL, clear, colorless

solubility

-

solubility

-

solubility

-

mp

163-167 °C (lit.)

mp

118-120 °C (lit.)

mp

-

mp

-

form

solid

form

-

form

powder

form

buffered aqueous glycerol solution

functional group

amine

functional group

-

functional group

-

functional group

-

Legal Information

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

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
BCCP1698
BCCP1697
BCCK2956
BCCG4256
BCCF0974

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Optimization of guanidination procedures for MALDI mass mapping.
Beardsley RL and Reilly JP.
Analytical Chemistry, 74(8), 1884-1890 (2002)
Kinetics of chemical modification of arginine and lysine residues in calf thymus histone H1.
K Mita et al.
Biopolymers, 20(6), 1103-1112 (1981-06-01)
H Wojciechowska et al.
Acta biochimica Polonica, 29(3-4), 197-204 (1982-01-01)
Selectivity of amidination using ornithine as model amino acid was investigated in detail. The results obtained were taken advantage of for studying the reactions with other polyfunctional amino acids: beta-tyrosine, isoserine, 2,3-diaminopropionic acid, 2,6-diamino-7-hydroxyazelaic acid and with the pentapeptide amide
Valerie J Carabetta et al.
Journal of the American Society for Mass Spectrometry, 21(6), 1050-1060 (2010-03-09)
The study of isolated protein complexes has greatly benefited from recent advances in mass spectrometry instrumentation and quantitative, isotope labeling techniques. The comprehensive characterization of protein complex components and quantification of their relative abundance relies heavily upon maximizing protein and
K M Fazili et al.
Biochemistry and molecular biology international, 31(5), 807-816 (1993-12-01)
Using acetic anhydride, potassium cyanate and O-methyl isourea six chemically modified derivatives of bovine serum albumin with chemical modification on lysine side chains have been prepared. All the modified preparations were found to be homogeneous with respect to size and
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