ChemicalBook > Product Catalog >Organic Chemistry >Carboxylic acids and derivatives >Carboxylic Acid Anhydrides >2,3-Pyrazinecarboxylic anhydride

2,3-Pyrazinecarboxylic anhydride

2,3-Pyrazinecarboxylic anhydride Suppliers list
Company Name: Shannxi Bosen Medical Technology Co.,Ltd
Tel: 15591899801
Email: chenxuan@sxbsylkjwwgc999.onexmail.com
Products Intro: Product Name:2,3-pyrazinedicarboxylic anhydride
CAS:4744-50-7
Purity:99.9% Package:1KG;126USD
Company Name: Capot Chemical Co.,Ltd.
Tel: 571-85586718 +8613336195806
Email: sales@capotchem.com
Products Intro: Product Name:2,3-Pyrazinedicarboxylic anhydride
CAS:4744-50-7
Purity:98%(Min,HPLC) Package:100g;1kg;5kg,10kg,25kg,50kg
Company Name: Beijing Cooperate Pharmaceutical Co.,Ltd
Tel: 010-60279497
Email: sales01@cooperate-pharm.com
Products Intro: Product Name:2,3-Pyrazinecarboxylic anhydride
CAS:4744-50-7
Purity:98% Package:100G;1KG;5KG;10KG;25KG;50KG;100KG
Company Name: Henan Tianfu Chemical Co.,Ltd.
Tel: +86-0371-55170693 +86-19937530512
Email: info@tianfuchem.com
Products Intro: Product Name:2,3-Pyrazinecarboxylic anhydride
CAS:4744-50-7
Purity:99% Package:25KG;5KG;1KG
Company Name: Hangzhou FandaChem Co.,Ltd.
Tel: 008657128800458; +8615858145714
Email: fandachem@gmail.com
Products Intro: Product Name:2,3-Pyrazinecarboxylic anhydride
CAS:4744-50-7

2,3-Pyrazinecarboxylic anhydride manufacturers

2,3-Pyrazinecarboxylic anhydride Basic information
Product Name:2,3-Pyrazinecarboxylic anhydride
Synonyms:2,3-PYRAZINECARBOXYLIC ANHYDRIDE;2,3-PYRAZINEDICARBOXLIC ANHYDRIDE;2,3-PYRAZINEDICARBOXYLICANHYDRATE;2,3-Pyrazinedicarboxylic acid anhydride;Furo[3,4-b]pyrazine-5,7-dione (9CI);5,7-Dihydrofuro[3,4-b]pyrazine-5,7-dione;Name: 2,3-Pyrazinedicarboxylic anhydride;furo[3,4-b]pyrazine-5,7-quinone
CAS:4744-50-7
MF:C6H2N2O3
MW:150.09
EINECS:225-260-4
Product Categories:Pesticide intermediates;GLYCINESCAFFOLD;Fused Ring Systems;bc0001
Mol File:4744-50-7.mol
2,3-Pyrazinecarboxylic anhydride Structure
2,3-Pyrazinecarboxylic anhydride Chemical Properties
Melting point 210 °C (dec.)(lit.)
Boiling point 357.3±22.0 °C(Predicted)
density 1.686±0.06 g/cm3(Predicted)
storage temp. Inert atmosphere,Room Temperature
solubility Actonitrile (Slightly), DMSO
form Solid
pka-3.43±0.20(Predicted)
color White to light brown crystalline powder
LogP-0.900 (est)
CAS DataBase Reference4744-50-7(CAS DataBase Reference)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
WGK Germany 3
Hazard Note Irritant
HS Code 29349990
MSDS Information
ProviderLanguage
SigmaAldrich English
2,3-Pyrazinecarboxylic anhydride Usage And Synthesis
Uses2,?3-?Pyrazinedicarboxylic Anhydride is a reagent used in the synthesis of highly potent and selective abietane type diterpenoid amides.
SynthesisPyrazine-2,3-dicarboxylic acid (4.0 g, 23.8 mmol) was dissolved in acetic anhydride (30 mL).The reaction mixture was refluxed for one hour, and subsequently cooled down to 0 °C in ice bath.The obtained crystals of pyrazine-2,3-dicarboxylic anhydride were filtered off (yield 70%).
2,3-Pyrazinecarboxylic anhydride
2,3-Pyrazinecarboxylic anhydride Preparation Products And Raw materials
Raw materialso-Phenylenediamine-->Glyoxal-->Quinoxaline
Preparation Products2,3-Pyridinedicarboxylic anhydride-->6-methyl-5H,6H,7H,8H-pyrazino[2,3-d]pyridazine-5,8-dione-->5,8-dichloropyrazino[2,3-d]pyridazine
Tag:2,3-Pyrazinecarboxylic anhydride(4744-50-7) Related Product Information
RP 48497 (Eszopiclone Impurity C) 1-Piperazinecarboxylicacid,4-methyl-,ethylester(6CI,9CI) 2,3-Pyrazinedicarboxylic acid Trifluoromethanesulfonic anhydride Pyrazinamide Pyrazine Sulfachoropyrazine sodium Glipizide Isatoic Anhydride CIS-BUTENEDIOIC ANHYDRIDE Phthalic anhydride Zopiclone Impurity 10 ZOPICLONE N-OXIDE Zopiclone Impurity 18 Zopiclone Impurity 3 N-(5-Chloro-2-pyridinyl)-3-(hydroxyMethyl)-2-pyrazinecarboxaMide Deschloro-Zopiclone N,N'-Dimethylpiperazine