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8.51206

TSTU

≥97.0%, for peptide synthesis, Novabiochem®

Synonym(s):

TSTU, N,N,N′,N′-Tetramethyl-O-(N-succinimidyl)uronium tetrafluoroborate, O-[N-Succinimidyl)-1,1,3,3-tetramethyluronium tetrafluoroborate

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About This Item

Empirical Formula (Hill Notation):
C9H16BF4N3O3
CAS Number:
105832-38-0
Molecular Weight:
301.05
UNSPSC Code:
12352107
NACRES:
NA.22
MDL number:
MFCD00077875
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Product Name

TSTU, Novabiochem®

Quality Level

200

product line

Novabiochem®

assay

≥97.0%

form

powder or crystals

reaction suitability

reaction type: Coupling Reactions

manufacturer/tradename

Novabiochem®

mp

195-200 °C

application(s)

peptide synthesis

storage temp.

2-8°C

SMILES string

[B-](F)(F)(F)F.N1(C(=O)CCC1=O)O[C+](N(C)C)N(C)C

InChI

1S/C9H16N3O3.BF4/c1-10(2)9(11(3)4)15-12-7(13)5-6-8(12)14;2-1(3,4)5/h5-6H2,1-4H3;/q+1;-1

InChI key

YEBLHMRPZHNTEK-UHFFFAOYSA-N

General description

Useful reagent for the conversion of carboxylic acids to water soluble OSu esters [1, 2]. Ideal for the conversion of dyes and PEG building blocks to the corresponding active esters for coupling in aqueous media.

Associated Protocols and Technical Articles
Guide to Selection of Coupling Reagents

Literature references

[1] W. Bannwarth, et al. (1988) Helv. Chim. Acta, 71, 2085.
[2] R. Knorr, et al. (1989) Tetrahedron Lett., 30, 1927.

Analysis Note

Color (visual): white to slight yellow to beige


Appearance of substance (visual): powder to crystals


Assay: ≥ 97.0 %


Identity (IR): passes test

Legal Information

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

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H317

Hazard Classifications

Skin Sens. 1A

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

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Global Trade Item Number

SKUGTIN
8.51206.002504027269257897