午夜插插,噜噜噜影院,啪啪伊人网,欧美熟夫,景甜吻戏视频,男人强操性感蕾丝美女视频在线网站,日本美女跳舞视频

ChemicalBook--->CAS DataBase List--->914349-79-4

914349-79-4

914349-79-4 Structure

914349-79-4 Structure
IdentificationBack Directory
[Name]

(5-BROMOPYRAZIN-2-YL)CARBAMIC ACID TERT-BUTYL ESTER
[CAS]

914349-79-4
[Synonyms]

N-Boc-2-Amino-5-bromopyrazine
2-Bromo-5-(boc-amino)pyrazine
2-Amino-5-bromopyrazine, 2-BOC
tert-Butyl (5-bromopyrazin-2-yl)
2-Amino-5-bromopyrazine, 2-BOC protected
2-Amino-5-bromopyrazine, 2-BOC protected 98%
(5-BROMOPYRAZIN-2-YL)CARBAMIC ACID TERT-BUTYL ESTER
(5-BROMOPYRAZINYL)CARBAMIC ACID 1,1-DIMETHYLETHYL ESTER
CarbaMicacid,(5-broMopyrazinyl)-,1,1-diMethylethylester
tert-Butyl (5-bromopyrazin-2-yl)carbamate, 2-Bromo-5-[(tert-butoxycarbonyl)amino]-1,4-diazine
[Molecular Formula]

C9H12BrN3O2
[MDL Number]

MFCD08275683
[MOL File]

914349-79-4.mol
[Molecular Weight]

274.11
Chemical PropertiesBack Directory
[Boiling point ]

295.2±40.0 °C(Predicted)
[density ]

1.513±0.06 g/cm3(Predicted)
[storage temp. ]

Inert atmosphere,2-8°C
[pka]

10.75±0.70(Predicted)
[InChI]

InChI=1S/C9H12BrN3O2/c1-9(2,3)15-8(14)13-7-5-11-6(10)4-12-7/h4-5H,1-3H3,(H,12,13,14)
[InChIKey]

PNYUSBALYDXDRK-UHFFFAOYSA-N
[SMILES]

C(OC(C)(C)C)(=O)NC1=NC=C(Br)N=C1
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P305+P351+P338
[Hazard Codes ]

Xn
[Risk Statements ]

22
[HS Code ]

2933998090
Hazard InformationBack Directory
[Uses]

(5-BROMOPYRAZIN-2-YL) CARBAMIC ACID TERT-BUTYL ESTER can be used as organic synthesis intermediate and pharmaceutical intermediate, mainly used in laboratory research and development process and chemical production process.
[Synthesis]

Synthesis_914349-79-4
At 0 ??, to 5-bromopyrazine-2-amine (5736.8mg, 32.97mmol) in CH2Cl2 (80mL) solution was added 4-DMAP (403.2mg, 3.30mmol); then at 0 ?? drop two A solution of di-tert-butyl carbonate (11.4ml, 3.30mmol) in CH2Cl2; the mixture was stirred at room temperature; after the completion of the reaction was monitored by TLC, the solution was washed with brine, dried over Na2SO4, filtered, and concentrated in vacuo; the crude product was chromatographed on a silica gel column Method, purified with ethyl acetate/petroleum ether (1/2) to obtain a white solid product (7250.4 mg, yield 80.2%).
Spectrum DetailBack Directory
[Spectrum Detail]

(5-BROMOPYRAZIN-2-YL)CARBAMIC ACID TERT-BUTYL ESTER(914349-79-4)1HNMR
914349-79-4 suppliers list
Company Name: career henan chemical co
Tel: +86-0371-86658258 +8613203830695 , +8613203830695
Website: www.coreychem.com
Company Name: Alchem Pharmtech,Inc.
Tel: 8485655694
Website: www.yuhua99.com/ShowSupplierProductsList454175/0_EN.htm
Company Name: Hangzhou MolCore BioPharmatech Co.,Ltd.
Tel: +86-057181025280; +8617767106207 , +8617767106207
Website: https://www.molcore.com/
Company Name: Zhengzhou Anbu Chem Co.,Ltd
Tel: +86-0371-88006763; +8615988602810 , +8615988602810
Website: https://www.finechemical.net
Company Name: Sichuan Biosynce Pharmatech Co., Ltd.
Tel: +8619950309693 , +8619950309693
Website: www.biosynce-product.com
Company Name: Aladdin Scientific
Tel:
Website: www.aladdinsci.com/
Company Name: Amadis Chemical Company Limited
Tel: 571-89925085
Website: http://www.amadischem.com
Company Name: Meryer (Shanghai) Chemical Technology Co., Ltd.  
Tel: 021-021-61259108 18621169085
Website: www.meryer.com/cn/index/
Company Name: Pure Chemistry Scientific Inc.  
Tel: 001-857-928-2050 or 1-888-588-9418
Website: www.chemreagents.com
Company Name: Shanghai Hanhong Scientific Co.,Ltd.  
Tel: 021-54306202 13764082696
Website: https://www.hanhongsci.com
Company Name: Chengdu HappySyn Pharmaceutical Technology Co., Ltd.  
Tel: 028-85114309 18982182443
Website: www.happysyn.com
Company Name: T&W GROUP  
Tel: 021-61551611 13296011611
Website: www.trustwe.com/
Company Name: NovoChemy Ltd.  
Tel: 021-31261262/ 49 (0)17662837245
Website: www.novochemy.com
Company Name: Shanghai Topbiochem Technology Co., Ltd  
Tel: +86-21-60341587
Website: www.topbiochem.com
Company Name: Taizhou Tongxin Bio-Tech Co., Ltd  
Tel: 0523-18601685-898 18652728585
Website: https://www.allyrise.com
Company Name: Bide Pharmatech Ltd.  
Tel: 400-164-7117 13681763483
Website: http://www.bidepharm.com
Company Name: Shanghai Boyners Pharm-Tech Co., Ltd.  
Tel: 13817873692
Website: www.boynerspharm.com/index.php?m=home&c=lists&a=index&tid=5
Company Name: Shanghai Synchem Pharma Co., ltd  
Tel: 21-619849051-1 18521059765
Website: http://www.synchem-pharma.com
Tags:914349-79-4 Related Product Information
59489-71-3

  • HomePage | Member Companies | Advertising | Contact us | Previous WebSite | MSDS | CAS Index | CAS DataBase | Privacy | Terms | About Us
  • All products displayed on this website are only for non-medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.
    According to relevant laws and regulations and the regulations of this website, units or individuals who purchase hazardous materials should obtain valid qualifications and qualification conditions.
  • Copyright © 2023 ChemicalBook All rights reserved.