成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

ChemicalBook--->CAS DataBase List--->878-23-9

878-23-9

878-23-9 Structure

878-23-9 Structure
IdentificationMore
[Name]

2-Bromo-1-ethylpyridinium tetrafluoroborate
[CAS]

878-23-9
[Synonyms]

2-BROMO-1-ETHYLPYRIDINIUM TETRAFLUOROBORATE
BEP TETRAFLUOROBORATE
bromoethylpyridiniumtetrafluoroborate
BEPyBr
2-BROMO-1-ETHYLPYRIDINIUM TETRAFLUOROBORATE (BEP)
2-Bromo-1-ethylpyridinium tetrafluoroborate 98%
2-Bromo-1-ethylpyridiniumtetrafluoroborate98%
2-BROMO-1-ETHYLPYRIDINIUM TETRAFLUOROBOR
1-Ethyl-2-bromopyridinium·tetrafluoroborate
1-Ethyl-2-bromopyridinium·tetrafluoroboronanion
[EINECS(EC#)]

212-900-2
[Molecular Formula]

C7H9BBrF4N
[MDL Number]

MFCD00060046
[Molecular Weight]

273.86
[MOL File]

878-23-9.mol
Chemical PropertiesBack Directory
[Melting point ]

103-107 °C
[storage temp. ]

Inert atmosphere,2-8°C
[form ]

Crystalline Powder
[color ]

White
[Water Solubility ]

very faint turbidity
[BRN ]

4059265
[CAS DataBase Reference]

878-23-9(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
[RIDADR ]

1759
[WGK Germany ]

3
[F ]

9-21
[Hazard Note ]

Irritant
[HazardClass ]

8
[PackingGroup ]

III
[HS Code ]

29333990
Hazard InformationBack Directory
[Uses]

2-Bromo-1-ethyl-pyridinium tetrafluoroborate can be used as a coupling reagent for:
  • The synthesis of N-methylated peptides in solution and solid phase.
  • The synthesis of cyclosporin A fragment and dolastatin 15 pentapeptide moiety.

[Uses]

2-Bromo-1-ethylpyridinium Tetrafluoroborate is a carboxyl activation and coupling reagent for peptide synthesis.
[General Description]

2-Bromo-1-ethyl-pyridinium tetrafluoroborate is a coupling reagent employed in the synthesis of amides and esters through amidation and esterification reactions, respectively. It is generally prepared by the reaction of triethyloxonium tetrafluoroborate with 2?bromo pyridine.
[reaction suitability]

reaction type: Coupling Reactions
Spectrum DetailBack Directory
[Spectrum Detail]

2-Bromo-1-ethylpyridinium tetrafluoroborate(878-23-9)MS
2-Bromo-1-ethylpyridinium tetrafluoroborate(878-23-9)IR1
2-Bromo-1-ethylpyridinium tetrafluoroborate(878-23-9)IR2
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

878-23-9(sigmaaldrich)
[TCI AMERICA]

2-Bromo-1-ethylpyridinium Tetrafluoroborate,>98.0%(T)(878-23-9)
878-23-9 suppliers list
Company Name: Jinan Carbotang Biotech Co.,Ltd.
Tel: +8615866703830 , +8615866703830
Website: http://m.is0513.com/ShowSupplierProductsList31189/0.htm
Company Name: Hubei xin bonus chemical co. LTD
Tel: 86-13657291602
Website: m.is0513.com/ShowSupplierProductsList1549548/0.htm
Company Name: Alchem Pharmtech,Inc.
Tel: 8485655694
Website: m.is0513.com/ShowSupplierProductsList454175/0.htm
Company Name: Wuhan Chemwish Technology Co., Ltd
Tel: 027-67849912
Website: m.is0513.com/ShowSupplierProductsList485773/0.htm
Company Name: CONIER CHEM AND PHARMA LIMITED
Tel: +8618523575427 , +8618523575427
Website: http://www.conier.com/
Company Name: career henan chemical co
Tel: +86-0371-86658258 +8613203830695 , +8613203830695
Website: www.coreychem.com
Company Name: Career Henan Chemica Co
Tel: +86-0371-86658258 +8613203830695 , +8613203830695
Website: www.coreychem.com/
Company Name: Hefei TNJ Chemical Industry Co.,Ltd.
Tel: +86-0551-65418671 +8618949823763 , +8618949823763
Website: www.tnjchem.com
Company Name: ANHUI WITOP BIOTECH CO., LTD
Tel: +8615255079626 , +8615255079626
Website: m.is0513.com/showsupplierproductslist418627/0_en.htm
Company Name: Dideu Industries Group Limited
Tel: +86-29-89586680 +86-15129568250 , +86-15129568250
Website: https://www.dideu.com
Company Name: BOC Sciences
Tel: 16314854226; +16314854226 , +16314854226
Website: https://www.bocsci.com/
Company Name: Dayang Chem (Hangzhou) Co.,Ltd.
Tel: 571-88938639 +8617705817739 , +8617705817739
Website: https://www.dycnchem.com/
Company Name: Henan Alfa Chemical Co., Ltd
Tel:
Website: m.is0513.com/manufacturer/henan-alfa-chemical-570/
Company Name: LEAP CHEM CO., LTD.
Tel: +86-852-30606658
Website: www.leapchem.com
Company Name: Henan Aochuang Chemical Co.,Ltd.
Tel: +86-0371-63689365 +8618638391208 , +8618638391208
Website: http://www.aochuangchem.com/
Company Name: Hebei Weibang Biotechnology Co., Ltd
Tel: +8617732866630 , +8617732866630
Website: www.weibangbio.com
Company Name: PT CHEM GROUP LIMITED
Tel: +86-85511178; +86-85511178; , +86-85511178;
Website: http://m.is0513.com/manufacturer/henan-lihao-chem-plant-25020/
Company Name: ZHEJIANG JIUZHOU CHEM CO., LTD
Tel: +86-0576225566889 +86-13454675544 , +86-13454675544
Website: http://www.jiuzhou-chem.com/
Tags:878-23-9 Related Product Information
16872-11-0 39186-58-8 2398-37-0 197958-29-5 4263-52-9 536-75-4 140-72-7 1692-15-5 4433-63-0 1692-25-7 536-78-7 100-71-0 109-04-6 75-23-0 878-23-9