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TOTU

Product Name
TOTU
CAS No.
136849-72-4
Chemical Name
TOTU
Synonyms
TOTT;TOTU;TOTU,98%;TOTU;TOTU;TOTU USP/EP/BP;HOBT(MONOHYDROUS);TOTU Novabiochem;TOTU extrapure, 99%;O-[(Ethoxycarbonyl)c;O-[(Ethoxycarbonyl)cyanomethylenamino]-N,N,N',N'-t
CBNumber
CB4357993
Molecular Formula
C10H17BF4N4O3
Formula Weight
328.07
MOL File
136849-72-4.mol
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TOTU Property

Melting point:
145 °C (dec.)(lit.)
storage temp. 
2-8°C
solubility 
Soluble in water or 1% acetic acid
form 
Crystalline Powder
color 
White to yellow
Sensitive 
Moisture Sensitive
InChIKey
PZOBERLGEQHZDV-BPWZRWDXSA-M
CAS DataBase Reference
136849-72-4(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
Toxicity
LD50 orally in Rabbit: 500 - 650 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

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
8.51088
Product name
TOTU
Purity
Novabiochem?
Packaging
25g
Price
$84.3
Updated
2024/03/01
Sigma-Aldrich
Product number
8.51088
Product name
TOTU
Purity
Novabiochem?
Packaging
100g
Price
$300
Updated
2024/03/01
Sigma-Aldrich
Product number
02580
Product name
O-[(Ethoxycarbonyl)cyanomethylenamino]-N,N,N′,N′-tetramethyluronium tetrafluoroborate
Purity
≥98.0% (CHN)
Packaging
1g
Price
$44.1
Updated
2022/05/15
Sigma-Aldrich
Product number
02580
Product name
O-[(Ethoxycarbonyl)cyanomethylenamino]-N,N,N′,N′-tetramethyluronium tetrafluoroborate
Purity
≥98.0% (CHN)
Packaging
5g
Price
$245
Updated
2022/05/15
TCI Chemical
Product number
E0916
Product name
O-[(Ethoxycarbonyl)cyanomethyleneamino]-N,N,N',N'-tetramethyluronium Tetrafluoroborate
Purity
>98.0%(HPLC)(N)
Packaging
1g
Price
$18
Updated
2024/03/01
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TOTU Chemical Properties,Usage,Production

Chemical Properties

white to yellowish crystalline powder

Uses

Reactant for:
Watson-Crick pairing of oligonucleotides
Esterification of nucleosides to solid phase supports
Reagent for:
Synthesis of selective integrin avβ3 antagonists
Design and synthesis of double stranded DNA libraries
Preparation of conformationally contrained β-amino acid derivatives
Synthesis and application of methyleneoxy pseudopeptide building blocks

TOTU Preparation Products And Raw materials

Raw materials

Preparation Products

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TOTU Suppliers

Americas 1 Belgium 1 China 128 Europe 3 Germany 4 India 13 Israel 3 Japan 3 South Korea 1 Switzerland 4 United Kingdom 9 United States 30 Global 200
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View Lastest Price from TOTU manufacturers

Hebei Duling International Trade Co. LTD
Product
TOTU 136849-72-4
Price
US $24.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
5000 tons
Release date
2023-01-31
Henan Aochuang Chemical Co.,Ltd.
Product
TOTU 136849-72-4
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
1ton
Release date
2022-09-26
Zhuozhou Wenxi import and Export Co., Ltd
Product
TOTU 136849-72-4
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-10

136849-72-4, TOTURelated Search:

2-(1-Oxy-pyridin-2-yl)-1,1,3,3-tetramethylisothiouronium tetrafluoroborate 2-(2-Pyridon-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate 1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride Fluoroboric acid BORON TRIFLUORIDE (CA.10% (CA.1.3 M) IN& FLUOROBORIC ACID DIETHYL ETHER COMPLEX Boron trifluoride acetonitrile complex FLUOROBORIC ACID DIMETHYL ETHER COMPLEX TOTU BORON TRIFLUORIDE, N-PROPANOL REAGENT 15

  • O-[(ETHOXYCARBONYL)CYANOMETHYLENAMINO]-N,N,N',N'-TETRAMETHYLURONIUM TETRAFLUOROBORATE
  • O-[(ETHOXYCARBONYL)-CYANOMETHYLENEAMINO]-1,1,3,3-TETRAMETHYLURONIUM TETRAFLUOROBORATE
  • O-((Ethoxycarbonyl)cyanomethyleneamino)-N,N,N',N'-tetramethyluronium BF4
  • O-[(ETHOXYCARBONYL)CYANOMETHYLENEAMINO]-N,N,N',N'-TETRAMETHYLURONIUM TETRAFLUOROBORATE
  • O-[(ETHOXYCARBOXYL)CYANOMETHYLENEAMINO]-N,N,N',N'-TETRAMETHYLURONIUM TETRAFLUOROBORATE
  • O-(CYANO(ETHOXYCARBONYL)METHYLENAMINO)-1,1,3,3-TETRAMETHYLURONIUM TETRAFLUOROBORATE
  • TOTU
  • 2-CYANOETHOXYCARBONYLMETHYLIDENEAMINO-1,1,3,3-TETRAMETHYLURONIUMTETRAFLUOROBORATE
  • O-[(ETHOXYCARBONYL) CYANOMETHYLENAMINO] N,N,N'',N''-TETRAMETHYLURONIUM TETRAFLUOROBORATE (TOTU)
  • O-((ETHOXYCARBONYL)CYANOMETHYLENEAMINO)-N,N,N'',N''-TETRAMETHYLURONIUM TETRAFLUOROBORATE(TOTU)
  • TOTT
  • TOTU (O-[(ETHOXYCARBONYL)- CYANOMETHYLENEAMINO]- 1,1,3,3-TETRAMETHYLURONIUM TETRAFLUOROBORATE)
  • HOBT(MONOHYDROUS)
  • O-[(Ethoxycarbonyl)cyanomethylenamino]-N,N,N',N'-tetramethyluronium tetrafluorob
  • O-[(ETHOXYCARBONYL)CYANOMETHYLENAMINO]-N,N,N',N'-TETRAMETHYL
  • TOTU:O-[(ETHOXYCARBONYL)CYANOMETHYLENAMINO]-N,N,N',N'-TETRAMETHYLURONIUM TETRAFLUOROBORATE
  • O-[(Ethoxycarbonyl)cyanomethylenamino]-N,N,N',N'-t
  • O-[(ETHOXYCARBONYL)CYANOMETHYLENAMINO]-N,N,N',N'-TETRAMETHYLURONIUM TETRAFLUORIDE
  • O-Cyanoethoxycarbonylmethylideneamino-1,1,3,3-tetr
  • O-[(Ethoxycarbonyl)c
  • O- (Ethoxycarbonyl)cyanoMethylenaMino -N,N,N',N'-tetraMethyluroniuM
  • O-((Ethoxycarbonyl)cyanomethylenamino)-N,N,N'N'-tetramethyluroni
  • TOTU, O-[(Ethoxycarbonyl)cyanomethylenamino]-N,N,N',N'-tetramethyluronium
  • O-((Ethoxycarbonyl)cyanomethyleneamino)-N,N,N',N'-tetramethyluronium BF4,98%
  • O-(Ethoxycarbonyl)cyanomethylenaminoü-N,N,N',N'-tetramethyluronium tetrafluoroborate, 97%
  • O-[(ethoxycarbonyl)cyanomethyleneamino]-N,N,N',N'-tetramet
  • N-[[[(1-Cyano-2-ethoxy-2-oxoethylidene)amino]oxy](dimethylamino)methylene]-N-methyl-methanaminium tetrafluoroborate
  • TOTU,98%
  • TOTU;TOTU
  • TOTU Novabiochem
  • O-[(Ethoxycarbonyl)cyanomethyleneamino]-N,N,N',N'-tetramethyluroniumTetrafluoroborate&gt
  • Methanaminium, N-[[[(1-cyano-2-ethoxy-2-oxoethylidene)amino]oxy](dimethylamino)methylene]-N-methyl-, tetrafluoroborate(1-) (1:1)
  • TOTU USP/EP/BP
  • TOTU extrapure, 99%
  • N-(6-Cyano-2-methyl-7-oxo-4,8-dioxa-2,5-diazadec-5-en-3-ylidene)-N-methylmethanaminium tetrafluoroborate
  • TOTU O-[(Ethoxycarbonyl)cyanoMethylenaMino]-N,N,N',N'-tetra
  • 136849-72-4
  • 136849-72-1
  • 136879-72-4
  • C12H17BF4N4O4
  • C10H17N4O3BF4
  • C10H17BF4N4O3
  • C2H5O2CCCNNOCNCH32NCH32BF4
  • Coupling
  • Synthetic Reagents
  • Phosphonium/Uronium/Formamidinium
  • Coupling Reagent