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CAS No. 105832-38-0 Density 1.41 g/cm3
PSA 52.86000 LogP 0.49460
Solubility N/A Melting Point 195-200 °C
Formula C9H16BF4N3O3 Boiling Point N/A
Molecular Weight 301.049 Flash Point N/A
Transport Information N/A Appearance white crystal
Safety 26-36-37/39 Risk Codes 36/37/38
Molecular Structure Molecular Structure of 105832-38-0 (TSTU) Hazard Symbols IrritantXi

N,N,N′,N′-Tetramethyl-O-(N-succinimidyl)uronium tetrafluoroborate;O-(N-Succinimido)-N,N,N',N'-tetramethyluronium tetrafluoroborate(TSTU);O-(N-Succinimidyl)-1,1,3,3-tetramethyluronium tetrafluoroborate;CID9857522;SBB071332;T2224;[Dimethylamino-(2,5-dioxopyrrolidin-1-yl)oxymethylidene]-dimethylazanium tetrafluoroborate;

Article Data 1

TSTU Specification

The TSTU with CAS registry number of 105832-38-0 is also known as N,N,N′,N′-Tetramethyl-O-(N-succinimidyl)uronium tetrafluoroborate. The IUPAC name is [Dimethylamino-(2,5-dioxopyrrolidin-1-yl)oxymethylidene]-dimethylazanium tetrafluoroborate. It belongs to product categories of Coupling Reagent; Peptide Coupling Reagents; Biochemistry; Condensation & Active Esterification; Coupling Reactions (Peptide Synthesis); N-Substituted Maleimides, Succinimides & Phthalimides; N-Substituted Succinimides; Peptide Synthesis; Synthetic Organic Chemistry; Peptide. In addition, the formula is C9H16BF4N3O3 and the molecular weight is 301.05. This chemical is a white crystal and should be sealed in cool, dry, dark place away from oxidants and water at the temperature of 2-8 °C.

Physical properties about TSTU are: (1)H-Bond Acceptor: 8; (2)Rotatable Bond Count: 3; (3)Tautomer Count: 3; (4)Exact Mass: 301.122085; (5)MonoIsotopic Mass: 301.122085; (6)Topological Polar Surface Area: 52.9; (7)Heavy Atom Count: 20; (8)Complexity: 309; (9)Covalently-Bonded Unit Count: 2.

When you are using this chemical, please be cautious about it. As a chemical, it is irritating to eyes, respiratory system and skin. During using it, wear suitable protective clothing, gloves and eye/face protection. If contact with eyes accidently, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
1. SMILES: F[B-](F)(F)F.O=C1N(O/C(N(C)C)=[N+](\C)C)C(=O)CC1
2. InChI: InChI=1/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
4. Std. InChI: 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

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