2-Ethyl-5-phenylisoxazolium-3'-sulfonate

Product Name: 2-Ethyl-5-phenylisoxazolium-3'-sulfonate
CAS No.: 4156-16-5
Chemical Name: 2-Ethyl-5-phenylisoxazolium-3'-sulfonate
Synonyms: NEPIS;WOODWARDS REAGENT K;WOODWARD'S REAGENT K;NEPISWOODWARD'S REAG;Woodward's Reagent K;Woodward's reagent K 95%;N-ETHYL-5-PHENYLISOXAZOLIUM-3'-SULFONATE;2-Ethyl-5-phenylisooxazoliuM-3-sulfonate;3-(2-ETHYL-5-ISOXAZOLIO)BENZENESULFONATE;2-ETHYL-5-PHENYLISOXAZOLIUM-3'-SULFONATE
CBNumber: CB2353032
Molecular Formula: C11H11NO4S
Formula Weight: 253.27
MOL File: 4156-16-5.mol

More

Less

2-Ethyl-5-phenylisoxazolium-3'-sulfonate Property

Melting point:: 216-219 °C (dec.)
Density: 1.3854 (rough estimate)
refractive index: 1.4790 (estimate)
storage temp.: Store at RT.
Merck: 10050
BRN: 4149224
CAS DataBase Reference: 4156-16-5(CAS DataBase Reference)

More

Less

Safety

Hazard Codes: Xn
Risk Statements: 22
WGK Germany: 3

More

Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements

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.

P330Rinse mouth.

P501Dispose of contents/container to..…

More

Less

N-Bromosuccinimide Price

Sigma-Aldrich

Product number: E45260
Product name: Woodward’s reagent K
Purity: 95%
Packaging: 1g
Price: $354
Updated: 2023/06/20

American Custom Chemicals Corporation

Product number: CHM0009608
Product name: 3-(2-ETHYL-5-ISOXAZOLIO)BENZENESULFONATE
Purity: 95.00%
Packaging: 10G
Price: $1431.05
Updated: 2021/12/16

AK Scientific

Product number: V1143
Product name: 2-Ethyl-5-phenylisoxazolium-3'-sulfonate
Packaging: 1g
Price: $207
Updated: 2021/12/16

Labseeker

Product number: SC-90975
Product name: 2-Ethyl-5-phenylisoxazolium-3'-sulfonate
Purity: 95
Packaging: 50g
Price: $5333
Updated: 2021/12/16

More

Less

2-Ethyl-5-phenylisoxazolium-3'-sulfonate Chemical Properties,Usage,Production

Chemical Properties

white to off-white crystalline powder

Uses

Peptide-bond former.

Purification Methods

Crystallise the reagent from diethyl ether or ethyl acetate/pet ether. [Lamas et al. J Am Chem Soc 108 5543 1986.] It is best purified by dissolving in excess of aqueous N HCl and precipitating with Me2CO to give a white fluffy solid. [Woodward et al. Tetrahedron 22 Suppl 8 321 1966, Fieser & Fieser Reagents for Organic Synthesis 1 385, 2 198.]

2-Ethyl-5-phenylisoxazolium-3'-sulfonate Preparation Products And Raw materials

Raw materials

Preparation Products

More

Less

2-Ethyl-5-phenylisoxazolium-3'-sulfonate Suppliers

China 58 Germany 2 India 1 Switzerland 1 Ukraine 1 United Kingdom 5 United States 12 Global 80

J & K SCIENTIFIC LTD.

Tel: 010-82848833 400-666-7788
Fax: 86-10-82849933
Email: jkinfo@jkchemical.com
Country: China
ProdList: 94657
Advantage: 76

Meryer (Shanghai) Chemical Technology Co., Ltd.

Tel: 021-61259108 18621169109
Fax: 86-21-61259102
Email: market03@meryer.com
Country: China
ProdList: 40228
Advantage: 62

3B Pharmachem (Wuhan) International Co.,Ltd.

Tel: 821-50328103-801 18930552037
Fax: 86-21-50328109
Email: 3bsc@sina.com
Country: China
ProdList: 15839
Advantage: 69

Energy Chemical

Tel: 021-021-58432009 400-005-6266
Fax: 021-58436166
Email: sales8178@energy-chemical.com
Country: China
ProdList: 44689
Advantage: 61

Shanghai Longsheng chemical Co.,Ltd.

Tel: 021-58099652-8005 13585536065
Fax: 021-58099609
Email: bin.wu@shlschem.com
Country: China
ProdList: 9809
Advantage: 59

Shandong Xiya Chemical Co., Ltd

Tel: 4009903999 13355009207
Fax: 0539-6365991
Email: 3007715519@qq.com
Country: China
ProdList: 18738
Advantage: 57

Sichuan Kulinan Technology Co., Ltd

Tel: 400-1166-196 18981987031
Fax: 028-84555506 800101999
Email: cdhxsj@163.com
Country: China
ProdList: 11707
Advantage: 57

RYSS TECH LTD

Tel: 400-188-0725 +86 21 34310725 13611771617
Fax: +86 21 34311076
Country: China
ProdList: 2002
Advantage: 57

Sinopharm Chemical Reagent Co,Ltd.

Tel: 86-21-63210123
Fax: 86-21-63290778 86-21-63218885
Email: sj_scrc@sinopharm.com
Country: China
ProdList: 9815
Advantage: 79

Aemon Chemical

Tel: 0086-755-86198205
Email: acinfo@aemonchem.com
Country: China
ProdList: 1931
Advantage: 57

More

Less

View Lastest Price from 2-Ethyl-5-phenylisoxazolium-3'-sulfonate manufacturers

Career Henan Chemical Co

Product: 2-Ethyl-5-phenylisoxazolium-3'-sulfonate 4156-16-5
Price: US $1.00/g
Min. Order: 1g
Purity: 99.0%
Supply Ability: 100kg
Release date: 2020-01-09

4156-16-5, 2-Ethyl-5-phenylisoxazolium-3'-sulfonateRelated Search:

Ethanol Ethylparaben Ethyl cyanoacetate Ethyl pyruvate Ethyl formate Sulfisoxazole ISOXADIFEN-ETHYL Sulfamethoxazole Isoxazole Ethyl acrylate Ethyl acetate Sulfonates Lignin Sulfonate 5-Methylisoxazole 5-PHENYLISOXAZOLE 2-Ethyl-5-phenylisoxazolium-3'-sulfonate 2-ETHYL-5-PHENYLISOXAZOLIUM-3'-SULFONATE = N-ETHYL-5-PHENYLISOXAZOLIUM-3'-SULFONATE

NEPIS

N-ETHYL-5-PHENYLISOXAZOLIUM-3'-SULFONATE

WOODWARDS REAGENT K

WOODWARD'S REAGENT K

2-ETHYL-5-PHENYLISOXAZOLIUM-3'-SULPHONEATE

Isoxazolium, 2-ethyl-5-(3-sulfophenyl)-, inner salt

NEPIS 2-ETHYL-5-PHENYLISOXAZOLIUM-3''-SULFONATE

3-(2-ETHYL-5-ISOXAZOLIO)BENZENESULFONATE 99+%

3-(2-Ethyl-5-isoxazolio)benzenesulphonate~NEPIS~Woodwards

2-Ethyl-5-phenylisoxazolium-3μ-sulfonate, NEPIS

5-(3-Sulfonatophenyl)-2-ethylisoxazol-2-ium

N-Ethyl-5-phenylisoxazolium-3'-sulfonate,95%

2-Ethyl-5-phenylisooxazoliuM-3-sulfonate

NEPISWOODWARD'S REAG

Woodward's reagent K 95%

3-(2-ETHYL-5-ISOXAZOLIO)BENZENESULFONATE

2-ETHYL-5-PHENYLISOXAZOLIUM-3'-SULFONATE

2-ETHYL-5-PHENYLISOXAZOLIUM-3'-SULPHONATE

3-(2-Ethyl-2H-isoxazol-1-ium-5-yl)benzenesulfonate

Woodward's Reagent K

2-Ethyl-5-phenylisoxazolium-3'-sulfonate

4156-16-5

C11H12NO4S

Coupling

Others

Synthetic Reagents

Peptide Synthesis

Coupling Reactions (Peptide Synthesis)

Condensation & Active Esterification

Biochemistry

Condensation & Active Esterification

Coupling Reactions (Peptide Synthesis)

Peptide Synthesis

Synthetic Organic Chemistry