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O-[(Ethoxycarbonyl)cyanomethylenamino]-N,N,N′,N′-tetramethyluronium tetrafluoroborate_Molecular_structure_CAS_136849-72-4)
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O-[(Ethoxycarbonyl)cyanomethylenamino]-N,N,N′,N′-tetramethyluronium tetrafluoroborate

Catalog No. 02580 Name Sigma Aldrich
CAS Number 136849-72-4 Website http://www.sigmaaldrich.com
M. F. C10H17BF4N4O3 Telephone 1-800-521-8956
M. W. 328.0715928 Fax
Purity ≥98.0% (CHN) Email
Storage Chembase ID: 151080

SYNONYMS

Title
O-[(乙氧羰基)氰基亚甲基氨基]-N,N,N′,N′-四甲基脲四氟硼酸酯
IUPAC name
tetrafluoroboranuide ethyl cyano({[(dimethylamino)(dimethyliminiumyl)methoxy]imino})formate
IUPAC Traditional name
ethyl cyano({[(dimethylamino)(dimethyliminio)methoxy]imino})formate tetrafluoroborate
Synonyms
N-[[[(1-Cyano-2-ethoxy-2-oxoethylidene)amino]oxy](dimethylamino)methylene]-N-methyl-methanaminium tetrafluoroborate
TOTU

DATABASE IDS

CAS Number 136849-72-4
MDL Number MFCD00192127

PROPERTIES

Linear Formula C2H5O2CC(CN)=NOC[N(CH3)2]=N(CH3)2BF4
Purity ≥98.0% (CHN)
Melting Point 144-145 °C
Melting Point 145 °C (dec.)(lit.)
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P261-P305 + P351 + P338
Risk Statements 36/37/38
Safety Statements 26-36
Storage Temperature 2-8°C
German water hazard class 3

DETAILS

Description (English)
Other Notes
New uronium-based coupling reagent for peptide synthesis suitable for critical cases7
Application
Reactant for:Watson-Crick pairing of oligonucleotides1Esterification of nucleosides to solid phase supports2Reagent for:Synthesis of selective integrin avβ3 antagonists3Design and synthesis of double stranded DNA libraries4Preparation of conformationally contrained β-amino acid derivatives5Synthesis and application of methyleneoxy pseudopeptide building blocks6
Description (简体中文)
Other Notes
用于多肽合成的新型脲阳离子偶联试剂,适用于临界条件7
Application
Reactant for:Watson-Crick pairing of oligonucleotides1Esterification of nucleosides to solid phase supports2Reagent for:Synthesis of selective integrin avβ3 antagonists3Design and synthesis of double stranded DNA libraries4Preparation of conformationally contrained β-amino acid derivatives5Synthesis and application of methyleneoxy pseudopeptide building blocks6

REFERENCES