天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

ChemicalBook--->CAS DataBase List--->59489-71-3

59489-71-3

59489-71-3 Structure

59489-71-3 Structure
IdentificationMore
[Name]

2-Amino-5-bromopyrazine
[CAS]

59489-71-3
[Synonyms]

2-AMINO-5-BROMOPYRAZINE
5-BROMO-2-PYRAZINAMINE
5-BROMOPYRAZIN-2-AMINE
5-BROMO-PYRAZIN-2-YLAMINE
5-BROMOPYRAZINAMINE
BUTTPARK 29\02-91
2-aimo-5-bromopyrazine
5-Bromo-2-aminopyrazine
2-AMINO-5-BROMOPYRAZINE: TECH.
2-Bromo-5-aminopyrazine
[EINECS(EC#)]

626-202-4
[Molecular Formula]

C4H4BrN3
[MDL Number]

MFCD00235015
[Molecular Weight]

174
[MOL File]

59489-71-3.mol
Chemical PropertiesBack Directory
[Appearance]

Brown Needles
[Melting point ]

113-117 °C (lit.)
[Boiling point ]

274.2±35.0 °C(Predicted)
[density ]

1.844±0.06 g/cm3(Predicted)
[storage temp. ]

Keep in dark place,Sealed in dry,Room Temperature
[solubility ]

Ethanol, Ethyl Acetate, Methanol
[form ]

Brown Needles
[pka]

1.66±0.10(Predicted)
[color ]

Light yellow to Brown
[InChIKey]

KRRTXVSBTPCDOS-UHFFFAOYSA-N
[CAS DataBase Reference]

59489-71-3(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xn,Xi
[Risk Statements ]

R22:Harmful if swallowed.
R36/38:Irritating to eyes and skin .
R43:May cause sensitization by skin contact.
R44:Risk of explosion if heated under confinement.
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S37/39:Wear suitable gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S22:Do not breathe dust .
[WGK Germany ]

3
[Hazard Note ]

Irritant
[HS Code ]

29339900
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Dichloromethane-->Sodium carbonate-->Magnesium sulfate-->N-Bromosuccinimide-->Aminopyrazine-->2-Amino-3,5-dibromopyrazine-->2-Amino-3-bromopyrazine-->3-Amino-6-bromopyrazine-2-carboxylic acid
[Preparation Products]

2,5-Dibromopyrazine-->2-BROMO-5-METHOXYPYRAZINE-->Cyclobutanecarbonitrile, 1-[6-(5-amino-2-pyrazinyl)-3-pyridinyl]--->5-(3-THIENYL)-2-PYRAZINAMINE-->6-AMINOPYRAZINE-2-BORONIC ACID PINACOL ESTER-->PyrazinaMine, 5-(4-chlorophenyl)-->5-(4-methoxyphenyl)pyrazin-2-amine
Hazard InformationBack Directory
[Chemical Properties]

Brown Needles
[Uses]

Used without prior protection of the amino group in a palladium-catalyzed cross-coupling with pyridylboronic acids leading to pyrazinylpyridines.
Spectrum DetailBack Directory
[Spectrum Detail]

2-Amino-5-bromopyrazine(59489-71-3)1HNMR
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

5-Bromo-2-pyrazinamine, Tech.(59489-71-3)
[Alfa Aesar]

2-Amino-5-bromopyrazine, 97%(59489-71-3)
[Sigma Aldrich]

59489-71-3(sigmaaldrich)
[TCI AMERICA]

2-Amino-5-bromopyrazine,>98.0%(GC)(T)(59489-71-3)
59489-71-3 suppliers list
Company Name: Henan Bao Enluo International TradeCo.,LTD
Tel: +86-17331933971 +86-17331933971 , +86-17331933971
Website: baoenluo.guidechem.com/
Company Name: Shaanxi Haibo Biotechnology Co., Ltd
Tel: +undefined18602966907 , +undefined18602966907
Website: www.rozenbio.com/
Company Name: Henan Fengda Chemical Co., Ltd
Tel: +86-371-86557731 +86-13613820652 , +86-13613820652
Website: http://www.fdachem.com
Company Name: Capot Chemical Co.,Ltd.
Tel: +86-(0)57185586718 +86-13336195806 , +86-13336195806
Website: www.capot.com
Company Name: Henan Tianfu Chemical Co.,Ltd.
Tel: +86-0371-55170693 +86-19937530512 , +86-19937530512
Website: https://www.tianfuchem.com/
Company Name: Shanghai Time Chemicals CO., Ltd.
Tel: +86-021-57951555 +8617317452075 , +8617317452075
Website: www.time-chemicals.com
Company Name: Hangzhou FandaChem Co.,Ltd.
Tel: +8615858145714 , +8615858145714
Website: www.fandachem.com/
Company Name: Nanjing Finetech Chemical Co., Ltd.
Tel: 025-85710122 17714198479
Website: www.fine-chemtech.com
Company Name: ATK CHEMICAL COMPANY LIMITED
Tel: +undefined-21-51877795
Website: www.atkchemical.com
Company Name: career henan chemical co
Tel: +86-0371-86658258 +8613203830695 , +8613203830695
Website: www.coreychem.com/
Company Name: Shanghai Arbor Chemical Co., Ltd.
Tel: 021-60451682
Website: www.approvedhomemanagement.com/ShowSupplierProductsList31105/0.htm
Company Name: Jinan Finer Chemical Co., Ltd
Tel: +86-531-88989536 +86-15508631887 , +86-15508631887
Website: http://www.finerchem.com/
Company Name: Accela ChemBio Inc.
Tel: +1-858-6993322
Website: www.accelachem.com/
Company Name: Hubei xin bonus chemical co. LTD
Tel: 86-13657291602
Website: www.approvedhomemanagement.com/ShowSupplierProductsList1549548/0.htm
Company Name: Chengdu Feibo Pharm Technology Co., Ltd
Tel: +86 028-84641798 15982321820 , 15982321820
Website: www.arkpharm.com
Company Name: Chongqing Chemdad Co., Ltd
Tel: +86-023-6139-8061 +86-86-13650506873 , +86-86-13650506873
Website: http://www.chemdad.com/
Company Name: Alchem Pharmtech,Inc.
Tel: 8485655694
Website: www.approvedhomemanagement.com/ShowSupplierProductsList454175/0.htm
Company Name: Wuhan Chemwish Technology Co., Ltd
Tel: 027-67849912
Website: www.approvedhomemanagement.com/ShowSupplierProductsList485773/0.htm
Tags:59489-71-3 Related Product Information
101-26-8 591-27-5 60-32-2 5049-61-6 77-86-1 29094-61-9 98-96-4 56-40-6 7726-95-6 24241-18-7 59489-71-3