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ChemicalBook >> CAS DataBase List >> TSTU

TSTU

TSTU price.
  • $5 - $2586.51
  • Product name: TSTU
  • CAS: 105832-38-0
  • MF: C9H16BF4N3O3
  • MW: 301.05
  • EINECS:629-651-4
  • MDL Number:MFCD00077875
  • Synonyms:HONSTU;2-SUCCINIMIDO-1,1,3,3-TETRAMETHYLURONIUM 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
Price38 Properties Safety Information Description
38 prices
Selected condition：
Brand
  • AK Scientific
  • Alfa Aesar
  • Alichem
  • Ambeed
  • American Custom Chemicals Corporation
  • Apolloscientific
  • Ark Pharm
  • Chem-Impex
  • ChemScene
  • Crysdot
  • Sigma-Aldrich
  • SynQuest Laboratories
  • TCI Chemical
  • TRC
Package
  • 1g
  • 5g
  • 10g
  • 25g
  • 100g
  • 250G
  • 500g
  • ManufacturerAK Scientific
  • Product numberJ91026
  • Product descriptionTSTU
  • Packaging5g
  • Price$10
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberL13538
  • Product description2-Succinimido-1,1,3,3-tetramethyluronium tetrafluoroborate, 98%
  • Packaging5g
  • Price$92.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberL13538
  • Product description2-Succinimido-1,1,3,3-tetramethyluronium tetrafluoroborate, 98%
  • Packaging25g
  • Price$400
  • Updated2024-03-01
  • Buy
  • ManufacturerAlichem
  • Product number105832380
  • Product description2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouroniumtetrafluoroborate
  • Packaging100g
  • Price$236.38
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number105832380
  • Product description2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouroniumtetrafluoroborate
  • Packaging500g
  • Price$695.76
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA140481
  • Product description2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouroniumtetrafluoroborate 95%
  • Packaging1g
  • Price$5
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA140481
  • Product description2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouroniumtetrafluoroborate 95%
  • Packaging5g
  • Price$8
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA140481
  • Product description2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouroniumtetrafluoroborate 95%
  • Packaging10g
  • Price$11
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA140481
  • Product description2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouroniumtetrafluoroborate 95%
  • Packaging25g
  • Price$25
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA140481
  • Product description2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouroniumtetrafluoroborate 95%
  • Packaging100g
  • Price$77
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA140481
  • Product description2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouroniumtetrafluoroborate 95%
  • Packaging500g
  • Price$344
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberAPI0004539
  • Product descriptionTSTU (O-(N-SUCCINIMIDYL)-N,N,N',N'-TETRAMETHYLURONIUM TETRAFLUOROBORATE) 95.00%
  • Packaging25G
  • Price$1126.82
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberAPI0004539
  • Product descriptionTSTU (O-(N-SUCCINIMIDYL)-N,N,N',N'-TETRAMETHYLURONIUM TETRAFLUOROBORATE) 95.00%
  • Packaging100G
  • Price$2586.51
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberPC8350
  • Product descriptionO-(N-Succinimidyl)-N,N,N',N'-tetramethyluroniumtetrafluoroborate 98%
  • Packaging5g
  • Price$11
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberPC8350
  • Product descriptionO-(N-Succinimidyl)-N,N,N',N'-tetramethyluroniumtetrafluoroborate 98%
  • Packaging25g
  • Price$30
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberPC8350
  • Product descriptionO-(N-Succinimidyl)-N,N,N',N'-tetramethyluroniumtetrafluoroborate 98%
  • Packaging100g
  • Price$90
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AK Scientific J91026 TSTU 5g $10 2021-12-16 Buy
Alfa Aesar L13538 2-Succinimido-1,1,3,3-tetramethyluronium tetrafluoroborate, 98% 5g $92.65 2024-03-01 Buy
Alfa Aesar L13538 2-Succinimido-1,1,3,3-tetramethyluronium tetrafluoroborate, 98% 25g $400 2024-03-01 Buy
Alichem 105832380 2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouroniumtetrafluoroborate 100g $236.38 2021-12-16 Buy
Alichem 105832380 2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouroniumtetrafluoroborate 500g $695.76 2021-12-16 Buy
Ambeed A140481 2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouroniumtetrafluoroborate 95% 1g $5 2021-12-16 Buy
Ambeed A140481 2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouroniumtetrafluoroborate 95% 5g $8 2021-12-16 Buy
Ambeed A140481 2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouroniumtetrafluoroborate 95% 10g $11 2021-12-16 Buy
Ambeed A140481 2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouroniumtetrafluoroborate 95% 25g $25 2021-12-16 Buy
Ambeed A140481 2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouroniumtetrafluoroborate 95% 100g $77 2021-12-16 Buy
Ambeed A140481 2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouroniumtetrafluoroborate 95% 500g $344 2021-12-16 Buy
American Custom Chemicals Corporation API0004539 TSTU (O-(N-SUCCINIMIDYL)-N,N,N',N'-TETRAMETHYLURONIUM TETRAFLUOROBORATE) 95.00% 25G $1126.82 2021-12-16 Buy
American Custom Chemicals Corporation API0004539 TSTU (O-(N-SUCCINIMIDYL)-N,N,N',N'-TETRAMETHYLURONIUM TETRAFLUOROBORATE) 95.00% 100G $2586.51 2021-12-16 Buy
Apolloscientific PC8350 O-(N-Succinimidyl)-N,N,N',N'-tetramethyluroniumtetrafluoroborate 98% 5g $11 2021-12-16 Buy
Apolloscientific PC8350 O-(N-Succinimidyl)-N,N,N',N'-tetramethyluroniumtetrafluoroborate 98% 25g $30 2021-12-16 Buy
Apolloscientific PC8350 O-(N-Succinimidyl)-N,N,N',N'-tetramethyluroniumtetrafluoroborate 98% 100g $90 2021-12-16 Buy
Next Last

Properties

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
InChIKey :BVYYWTQJMFGHLU-UHFFFAOYSA-M
CAS DataBase Reference :105832-38-0(CAS DataBase Reference)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

2-Succinimido-1,1,3,3-tetramethyluronium tetrafluoroborate (TSTU) acts as an efficient coupling agent through rapid activation of carboxylic acids to form N-succinimidyl active esters, which react with primary amines to form carboxamides. It is effective even in the presence of water. TSTU is selective towards amines in the presence of alcoholic group. It is employed as a coupling regent in the synthesis of peptides. With amine-protected alpha-amino acids, it brings about coupling without significant epimerization. It is useful for linking of sensor molecules with amino groups to amino-functionalized AFM (atomic force microscope) tips.

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