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2-Bromopyrazine

2-Bromopyrazine Suppliers list
Company Name: Capot Chemical Co.,Ltd.
Tel: 571-85586718 +8613336195806
Email: sales@capotchem.com
Products Intro: Product Name:2-Bromopyrazine
CAS:56423-63-3
Purity:98%(Min,GC) Package:100g;1kg;5kg,10kg,25kg,50kg
Company Name: ATK CHEMICAL COMPANY LIMITED
Tel: +undefined-21-51877795
Email: ivan@atkchemical.com
Products Intro: Product Name:2-bromopyrazine
CAS:56423-63-3
Purity:98% Package:25G;50G;100G;500G;1KG;10KG;50KG
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Tel: +86-0371-86658258 +8613203830695
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Products Intro: Product Name:2-Bromopyrazine
CAS:56423-63-3
Purity:98% Package:1KG;1USD
Company Name: Accela ChemBio Inc.
Tel: +1-858-6993322
Email: info@accelachem.com
Products Intro: Product Name:2-Bromopyrazine
CAS:56423-63-3
Purity:>98% Package:0.25g;1g;5g;10g;25g;100g;500g Remarks:SY019862
Company Name: Hubei xin bonus chemical co. LTD
Tel: 86-13657291602
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Products Intro: Product Name:2-Bromopyrazine
CAS:56423-63-3
Purity:0.99 Package:5KG;1KG

2-Bromopyrazine manufacturers

  • 2-Bromopyrazine
  • 2-Bromopyrazine  pictures
  • $1.10 / 1g
  • 2022-03-17
  • CAS:56423-63-3
  • Min. Order: 1g
  • Purity: 99.00%
  • Supply Ability: 100 Tons
  • 2-Bromopyrazine
  • 2-Bromopyrazine pictures
  • $0.00 / 1Kg
  • 2020-04-30
  • CAS:56423-63-3
  • Min. Order: 1KG
  • Purity: 99.0%+
  • Supply Ability: 800 tons
  • 2-Bromopyrazine
  • 2-Bromopyrazine pictures
  • $1.00 / 1KG
  • 2019-07-06
  • CAS:56423-63-3
  • Min. Order: 1KG
  • Purity: 98%
  • Supply Ability: 150KG
2-Bromopyrazine Basic information
Product Name:2-Bromopyrazine
Synonyms:2-BROMOPYRAZINE;Pyrazine, bromo- (9CI);2-BROMOPYRAZINE, 95+%;2-Bromo-1,4-diazine;Bromopyrazine;2-Bromopyrazine >;Pyrazine, 2-bromo-;2-Bromopyrazine ISO 9001:2015 REACH
CAS:56423-63-3
MF:C4H3BrN2
MW:158.98
EINECS:
Product Categories:Heterocycle-other series;API intermediates;Pyrazines;HALIDE
Mol File:56423-63-3.mol
2-Bromopyrazine Structure
2-Bromopyrazine Chemical Properties
Boiling point 61°C/10mmHg(lit.)
density 1.757 g/mL at 25 °C
refractive index n20/D1.580
Fp 92℃
storage temp. -20°C
pka-1.15±0.10(Predicted)
form clear liquid
color Colorless to Light orange to Yellow
InChIKeyWGFCNCNTGOFBBF-UHFFFAOYSA-N
Safety Information
Hazard Codes Xn
Risk Statements 22-41-37/38
Safety Statements 26-39
WGK Germany 3
HS Code 2933998090
MSDS Information
2-Bromopyrazine Usage And Synthesis
SynthesisA mixture of (2H)-pyrazinone (4.2 g, 0.044 mmol) and phosphorous oxybromide (25 g, 0.088 mole) was heated at 105 °C for 1.5 h. After cooling to room temperature, the mixture was poured on crushed ice (300 g) and made neutral with sodium hydrogen carbonate. The mixture was extracted with dichloromethane (2 x 100 mL). The extract was dried with magnesium sulfate and evaporated under vacuum. The residue was distilled under vacuum (70 °C, 12 torr). 2-Bromopyrazine (3.2 g, 46 %) was obtained as a colourless liquid[1].
References[1] Laurence Decrane, Alain Turck, Nelly Plé. “Metalation of bromodiazines. Diazines XL.” Journal of Heterocyclic Chemistry 42 4 (2009): 509–513.
2-Bromopyrazine Preparation Products And Raw materials
Preparation Products2,5-Dibromopyrazine-->2,2'-Bipyrazine-->2,3-DIBROMOPYRAZINE-->2-(Methylthio)pyrazine
Tag:2-Bromopyrazine(56423-63-3) Related Product Information
Glipizide Pyrazinamide Mestinon Sulfachoropyrazine sodium 2-Bromoquinoxaline 2-Amino-3,5-dibromopyrazine 2-AMINO-5-BROMO-3-MORPHOLIN-4-YLPYRAZINE 2-AMINO-5-BROMO-3-PIPERAZIN-1-YLPYRAZINE METHYL 3-AMINO-6-BROMOPYRAZINE-2-CARBOXYLATE,3-Amino-6-bromopyrazine-2-carboxylic acid methyl ester 2-Bromo-5-hydroxypyrazine 3-AMINO-6-BROMOPYRAZINE-2-CARBONITRILE, 95+%,3-AMINO-6-BROMOPYRAZINE-2-CARBONITRILE 2,3-DIAMINO-5-BROMOPYRAZINE, 97% 2-AMINO-5-BROMOPYRAZINE: TECH.,2-aimo-5-bromopyrazine,2-AMINO-5-BROMOPYRAZINE 3,5-Dibromo-2-hydroxypyrazine 2-AMINO-5-BROMO-3-PYRROLIDIN-1-YLPYRAZINE 5-BROMO-N3-METHYL-PYRAZINE-2,3-DIAMINE 2-AMINO-3-(PHENYLMETHYL)-5-BROMOPYRAZINE,2-AMINO-3-BENZYL-5-BROMOPYRAZINE 5-amino-6-bromopyrazine-2-carboxylic acid