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 127 Europe 3 Germany 4 India 13 Israel 3 Japan 3 South Korea 1 Switzerland 4 United Kingdom 9 United States 30 Global 199

Suzhou Highfine Biotech Co., Ltd

Tel: 0512-68417696 13962195629
Fax: 0512-68417696
Email: qirl@highfine.com
Country: China
ProdList: 499
Advantage: 75

Binhai gill polypeptide co. LTD

Tel: 021-61263389 13524856427
Fax: WeChat630417570
Email: Joetang@glschina.com
Country: China
ProdList: 9594
Advantage: 58

J & K SCIENTIFIC LTD.

Tel: 010-82848833 400-666-7788
Fax: 86-10-82849933
Email: jkinfo@jkchemical.com
Country: China
ProdList: 96815
Advantage: 76

Meryer (Shanghai) Chemical Technology Co., Ltd.

Tel: 4006608290; 18621169109
Fax: 86-21-61259102
Email: market03@meryer.com
Country: China
ProdList: 40241
Advantage: 62

Alfa Aesar

Tel: 400-6106006
Fax: 021-67582001/03/05
Email: saleschina@alfa-asia.com
Country: China
ProdList: 30132
Advantage: 84

TCI (Shanghai) Development Co., Ltd.

Tel: 021-67121386
Fax: 021-67121385
Email: Sales-CN@TCIchemicals.com
Country: China
ProdList: 24539
Advantage: 81

ShangHai DEMO Chemical Co.,Ltd

Tel: 400-021-7337 2355568890
Fax: 0086-21-50182339
Email: sales@demochem.com
Country: China
ProdList: 2572
Advantage: 57

Energy Chemical

Tel: 021-021-58432009 400-005-6266
Fax: 021-58436166
Email: sales8178@energy-chemical.com
Country: China
ProdList: 44751
Advantage: 61

Wuhan Chemwish Technology Co., Ltd

Tel: 86-027-67849912
Fax: 86-027-87531808
Email: sales@chemwish.com
Country: China
ProdList: 35906
Advantage: 56

GL Biochem (Shanghai) Ltd

Tel: 21-61263452 13641803416
Fax: 86-21-61263399
Email: ymbetter@glbiochem.com
Country: China
ProdList: 9981
Advantage: 64

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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