O-Methylisourea hemisulfate
Suppliers
Names
[ CAS No. ]:
52328-05-9
[ Name ]:
O-Methylisourea hemisulfate
[Synonym ]:
O-Methylisourea hemisulfate
O-Methylisourea hemisulfate salt
Bis[amino(methoxy)methaniminium] sulfate
Methyl carbamimidate sulfate (2:1)
EINECS 257-851-8
MFCD00040594
O-Methylpseudourea Sulfate
2-Methylisouronium sulfate
Carbamimidic acid, methyl ester, sulfate (2:1)
O-Methylisourea Sulfate
Chemical & Physical Properties
[ Boiling Point ]:
66.9ºC at 760 mmHg
[ Melting Point ]:
163-167 °C(lit.)
[ Molecular Formula ]:
C4H14N4O6S
[ Molecular Weight ]:
246.242
[ Flash Point ]:
165.7ºC
[ Exact Mass ]:
246.063400
[ PSA ]:
201.18000
[ LogP ]:
1.08060
[ Storage condition ]:
-20°C
[ Water Solubility ]:
1000 g/L (20 ºC)
MSDS
Safety Information
[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
[ Hazard Codes ]:
Xi
[ Risk Phrases ]:
36/37/38
[ Safety Phrases ]:
24/25
[ RIDADR ]:
NONH for all modes of transport
[ WGK Germany ]:
1
[ HS Code ]:
2925290090
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2925290090
[ Summary ]:
2925290090 other imines and their derivatives; salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%
Articles
J. Am. Soc. Mass Spectrom. 18(2) , 201-7, (2007)
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 descri...
J. Biol. Chem. 264(14) , 7882-8, (1989)
Procedures for chemical modification of bovine pancreatic trypsin inhibitor (BPTI) to allow site-specific coupling of immunogenic peptides are reported. Each of the modified proteins has a single free...
J. Biochem. 144(1) , 21-32, (2008)
alphaA-crystallin is abundant in the lens of the eye and acts as a molecular chaperone by preventing aggregation of denaturing proteins. We previously found that chemical modification of the guanidino...