TSTU

Product Name: TSTU
CAS No.: 105832-38-0
Chemical Name: TSTU
Synonyms: O-(N-SUCCINIMIDYL)-1,1,3,3-TETRAMETHYLURONIUM TETRAFLUOROBORATE;O-(N-SucciniMidyl)-1,1,3,3-tetraMethyl uraniuM tetrafluoroborate;TSTU, N-{(Dimethylamino)[(2,5-dioxopyrrolidin-1-yl)oxy]methylidene}-N-methylmethylaminium tetrafluoroborate;TSTU;HONSTU;TSTU 25 G;TSTU USP/EP/BP;TIANFUCHEM---TSTU;2-Succinimido-1,1,3;Tofacitinib Impurity 150
CBNumber: CB5415670
Molecular Formula: C9H16BF4N3O3
Formula Weight: 301.05
MOL File: 105832-38-0.mol

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TSTU Property

Melting point:: 198-201 °C(lit.)
Density: 1.41 g/cm
storage temp.: 2-8°C
solubility: acetonitrile: 0.1 g/mL, clear
form: Crystalline Powder or Needles
color: White to off-white
Sensitive: Moisture Sensitive
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
InChIKey: BVYYWTQJMFGHLU-UHFFFAOYSA-M
SMILES: [B+3]([F-])([F-])([F-])[F-].O(N1C(CCC1=O)=O)/C(=[N+](\C)/C)/N(C)C
CAS DataBase Reference: 105832-38-0(CAS DataBase Reference)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36-37/39
RIDADR: 1759
WGK Germany: 3
F: 8-10-21
HazardClass: 8
PackingGroup: III
HS Code: 29280000

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 385530
Product name: N,N,N′,N′-Tetramethyl-O-(N-succinimidyl)uronium tetrafluoroborate
Purity: 97%
Packaging: 1g
Price: $80.8
Updated: 2025/07/31

Sigma-Aldrich

Product number: 8.51206
Product name: TSTU
Purity: Novabiochem?
Packaging: 25g
Price: $155
Updated: 2025/07/31

Sigma-Aldrich

Product number: 385530
Product name: N,N,N′,N′-Tetramethyl-O-(N-succinimidyl)uronium tetrafluoroborate
Purity: 97%
Packaging: 5g
Price: $186
Updated: 2025/07/31

TCI Chemical

Product number: T2224
Product name: N,N,N',N'-Tetramethyl-O-(N-succinimidyl)uronium Tetrafluoroborate
Purity: >98.0%(HPLC)(N)
Packaging: 1g
Price: $37
Updated: 2025/07/31

TCI Chemical

Product number: T2224
Product name: N,N,N',N'-Tetramethyl-O-(N-succinimidyl)uronium Tetrafluoroborate
Purity: >98.0%(HPLC)(N)
Packaging: 5g
Price: $93
Updated: 2025/07/31

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TSTU Chemical Properties,Usage,Production

Chemical Properties

White crystalline

Uses

peptide coupling reagent converts carboxylates to N-succinimidyl active esters

Uses

Reagent for the clean in-situ formation of N-succinimidyl active esters

Uses

TSTU is used as a peptide coupling reagent in solvent systems.

General Description

N,N,N′,N′-Tetramethyl-O-(N-succinimidyl)uronium tetrafluoroborate is commonly used for the conversion of carboxylic acid into the corresponding N-hydroxysuccinimidyl (NHS) ester.

reaction suitability

reaction type: Coupling Reactions

TSTU Preparation Products And Raw materials

Raw materials

Preparation Products

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TSTU Suppliers

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View Lastest Price from TSTU manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD

Product: TSTU 105832-38-0
Price: US $0.00-0.00/kg
Min. Order: 1kg
Purity: 99.9%
Supply Ability: 20T
Release date: 2024-07-09

Watson Biotechnology Co.,Ltd

Product: TSTU 2-Succinimido-1,1,3,3-tetra-methyluronium tetrafluoroborate 105832-38-0
Price: US $0.00-0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 20MT
Release date: 2024-08-14

Henan Aochuang Chemical Co.,Ltd.

Product: TSTU 105832-38-0
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 98%
Supply Ability: 1ton
Release date: 2022-09-26

105832-38-0, TSTURelated Search:

AZURE B TETRAFLUOROBORATE 1,1,3,3-Tetramethylurea Succinimide O-Phthalimide Bismaleimide N-Chlorosuccinimide Diethylcarbamyl chloride N,N-BIS(2-CHLOROETHYL)BENZENEMETHANAMINE Bromo-tris-pyrrolidino-phosphonium hexafluorophosphate Diphenylphosphoryl azide Fluoroboric acid URANIUM Polyamideimide DIALIFOS Ethylamine-borontrifluoride 2-(5-Norborene-2,3-dicarboximido)-1,1,3,3-tetramethyluronium tetrafluoroborate TPD-OSU Boron trifluoride dihydrate

HONSTU

O-(N-SUCCINIMIDYL)-1,1,3,3-TETRAMETHYLURONIUM TETRAFLUOROBORATE

2-SUCCINIMIDO-1,1,3,3-TETRAMETHYLURONIUM TETRAFLUOROBORATE

O-(N-SucciniMidyl)-1,1,3,3-tetraMethyl uraniuM tetrafluoroborate

TSTU, N-{(Dimethylamino)[(2,5-dioxopyrrolidin-1-yl)oxy]methylidene}-N-methylmethylaminium tetrafluoroborate

2-Succinimido-1,1,3,3-tetra-methyluronium etrafluoroborate O-(N-Succinimidyl)-N,N,N',N'-tetramethyluronium tetrafluoroborate

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

2-Succinimido-1,1,3

N,N,N′,N′-Tetramethyl-O-(N-succinimidyl)uroniu

N,N,N′,N′-TetraMethyl-O-(N-succiniMidyl)uroniuM tetrafluoroborate (TSTU)

2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetraMethylisouroniuM tetrafluoroborate

N,N,N',N'-TetraMethyl-O-(N-succiniMidyl)uroniuM tetrafluoroborate 97%

2-SucciniMido-1,1,3,3-tetra-MethyluroniuM tetrafluoroborate (TSTU)

N,N,N',N'-Tetramethyl-O-(N-succinimidyl)uronium tetrafluoroborate

2-Succinimido-1,1,3,3-tetramethyluronium tetrafluoroborate≥ 99% (HPLC)

O-(N-Succinimidyl)-N,N,N',N'-tetramethyluronium Tetrafluorob

2Succinio1133tetramethyluronium tetrafluobate

N,N,N',N'-TETRAMETHYL-O-(N-SUCCINIMIDYL)URONIUM TETRAFLUOROBORATE

N,N,N',N'-TETRAMETHYL-O-(SUCCINIMIDYL)URONIUM TETRAFLUOROBORATE

TSTU

TSTU, O-(N-Succinimidyl)-1,1,3,3-tetramethyluronium tetrafluoroborate

TSTU [O-(N-SUCCINIMIDYL)-N,N,N',N'-TETRAMETHYL URONIUM BF4]

N,N,N'N'-Tetramethyl-O-(N-succinimidyl)uroniumTet

O-(N-Succinimidyl)-1,1,3,3-tetramethyluroniumtetr

2-Succinimide-1,1,3,3-tetramethyluronium tetrafluoroborate

TSTU 2-SUCCINIMIDO-1,1,3,3-TETRA-METHYLURONIUM TETRAFLUOROBORATE

TSTU O-(N-Succinimidyl)-1,1,3,3-tetramethyl uranium tetrafluoroborate

O-(N-SUCCINIMIDYL)-1,1,3,3-TETRAMETHYLURONIUM TETRAFLUOROBORATE TSTU

O-(N-SUCCINIMIDYL)-N,N,N'',N''-TETRAMETHYLURONIUM TETRAFLUOROBORATE (TSTU)

O-(N-succinimidyl)-tetramethyluronium tetrafluoroborate

TSTU, O-(N-Succinimidyl)-N,N,Nμ,Nμ-tetramethyluronium tetrafluoroborate

O-(N-Succinimidyl)-N,N,N',N'-tetramethyluronium tetrafluoroborat

2-succinimide-1,1,3,3-tetramethylurea tetrafluoroborate

TSTU 25 G

TSTU USP/EP/BP

O-(N-Succinimido)-N,N,N',N'-tetramethyluronium tetrafluoroborate(TSTU)

[Dimethylamino-(2,5-dioxopyrrolidin-1-yl)oxy-methylene]-dimethyl-ammonium tetrafluoroborate

TIANFUCHEM---TSTU

[dimethylamino-(2,5-dioxopyrrolidin-1-yl)oxymethylidene]-dimethylazanium

TSTU 2-SucciniMido-1,1,3,3-tetra-MethyluroniuM tetrafluoro

O-(N-Succinimidyl)-N,N,N',N'-tetramethyluronium Tetrafluoroborate

Methanaminium, N-[(dimethylamino)[(2,5-dioxo-1-pyrrolidinyl)oxy]methylene]-N-methyl-, tetrafluoroborate(1-) (1:1)

N,N,N',N'-Tetramethyl-O-(N-succinimidyl)uronium tetrafluoroborate (TSTU)

2-SUCCINIMIDO-1,1,3,3-TETRAMETHYLURONIUM

N,N,N’,N’-Tetramethyl-O-(N-succinimidyl)uronium Tetrafluoroborate

O-(N-succinimidyl)-N,N,N',N'-tetramethyl uronium bf4

N,N,N′,N′-Tetramethyl-O-(N-succinimidyl)uronium tetrafluoroborate

N,N,N′,N′-Tetramethyl-O-(N-succinimidyl)uronium tetrafluoroborate, CAS 105832-38-0

O - (N-succinimide) - N N N '' N '' - tetramethyltetrafluoroborate urea

Tofacitinib Impurity 150

O-(N-Succinimidyl)-N,N,N',N'-tetramethyluronium tetrafluoroborate

105832-38-0

05832-38-0

C9H16BF4N3O3

C9H16O3N3BF4

C9H16N3O3BF4

BF4C9H16N3O3

Coupling Reactions (Peptide Synthesis)