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2,3-Pyrazinecarboxylic anhydride

CAS No.
4744-50-7
Chemical Name:
2,3-Pyrazinecarboxylic anhydride
Synonyms
FURO[3,4-B]PYRAZINE-5,7-DIONE;2,3-PYRAZINEDICARBOXYLIC ANHYDRIDE;PYRAZINE-2,3-DICARBOXYLIC ANHYDRIDE;2,3-Pyrazine Dicarbo;Zopiclone Impurity 5;pyrazine-2,3-dicarboxylic;furo[3,4-b]pyrazine-5,7-quinone;2,3-PYRAZINECARBOXYLIC ANHYDRIDE;2,3-PYRAZINEDICARBOXYLICANHYDRATE;2,3-PYRAZINEDICARBOXLIC ANHYDRIDE
CBNumber:
CB3208656
Molecular Formula:
C6H2N2O3
Molecular Weight:
150.09
MDL Number:
MFCD00179418
MOL File:
4744-50-7.mol
MSDS File:
SDS
Last updated:2023-11-17 10:14:39

2,3-Pyrazinecarboxylic anhydride 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 Reference 4744-50-7(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  3
Hazard Note  Irritant
HS Code  29349990

2,3-Pyrazinecarboxylic anhydride price More Price(24)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 405019 2,3-Pyrazinedicarboxylic anhydride 97% 4744-50-7 5g $46.8 2024-03-01 Buy
Sigma-Aldrich 405019 2,3-Pyrazinedicarboxylic anhydride 97% 4744-50-7 25g $402 2024-03-01 Buy
TRC P840820 2,3-Pyrazinedicarboxylic anhydride 4744-50-7 10g $130 2021-12-16 Buy
Medical Isotopes, Inc. 98737 2,3-Pyrazinedicarboxylic anhydride 4744-50-7 2.5g $355 2021-12-16 Buy
Matrix Scientific 070860 2,3-Pyrazinedicarboxylic anhydride 98% 4744-50-7 25g $49 2021-12-16 Buy
Product number Packaging Price Buy
405019 5g $46.8 Buy
405019 25g $402 Buy
P840820 10g $130 Buy
98737 2.5g $355 Buy
070860 25g $49 Buy

2,3-Pyrazinecarboxylic anhydride Chemical Properties,Uses,Production

Uses

2,?3-?Pyrazinedicarboxylic Anhydride is a reagent used in the synthesis of highly potent and selective abietane type diterpenoid amides.

Synthesis

Pyrazine-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

Global( 316)Suppliers
Supplier Tel Email Country ProdList Advantage
Shannxi Bosen Medical Technology Co.,Ltd
15591899801 chenxuan@sxbsylkjwwgc999.onexmail.com China 3 58
Capot Chemical Co.,Ltd.
571-85586718 +8613336195806 sales@capotchem.com China 29797 60
Beijing Cooperate Pharmaceutical Co.,Ltd
010-60279497 sales01@cooperate-pharm.com CHINA 1811 55
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512 info@tianfuchem.com China 21691 55
Hangzhou FandaChem Co.,Ltd.
008657128800458; +8615858145714 fandachem@gmail.com China 9348 55
ATK CHEMICAL COMPANY LIMITED
+undefined-21-51877795 ivan@atkchemical.com China 32480 60
career henan chemical co
+86-0371-86658258 sales@coreychem.com China 29914 58
Hubei Jusheng Technology Co.,Ltd.
18871490254 linda@hubeijusheng.com CHINA 28180 58
Jinan Finer Chemical Co., Ltd
+86-531-88989536 +86-15508631887 sales@finerchem.com China 2967 58
Accela ChemBio Inc.
(+1)-858-699-3322 info@accelachem.com United States 19965 58

View Lastest Price from 2,3-Pyrazinecarboxylic anhydride manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2,3-pyrazinedicarboxylic anhydride pictures 2023-08-01 2,3-pyrazinedicarboxylic anhydride
4744-50-7
US $126.00 / KG 25KG 99.9% 20tons Shannxi Bosen Medical Technology Co.,Ltd
2,3-Pyrazinecarboxylic anhydride pictures 2021-09-29 2,3-Pyrazinecarboxylic anhydride
4744-50-7
US $0.00-0.00 / Kg/Drum 1KG 98%min 100KGS WUHAN FORTUNA CHEMICAL CO., LTD
 2,3-Pyrazinecarboxylic anhydride pictures 2019-07-06 2,3-Pyrazinecarboxylic anhydride
4744-50-7
US $8.00 / kg 1kg 99% 10MT Career Henan Chemical Co
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 2,3-Pyrazine Dicarbo Pyrazine 2,3-dicarboxylic acid anhydride 5H,7H-furo[3,4-b]pyrazine-5,7-dione Pyrazine-2,3-carboxylaMide-2-carboxylic acid aMMoniuM Furo[3,4-b]pyrazine-5,7-dione, 5,7-Dihydro-5,7-dioxofuro[3,4-b]pyrazine Pyrazin 2,3-dicarboxylic acid anhydride 2,3-Pyrazinedicarboxylic anhydride 97% pyrazine-2,3-dicarboxylic Zopiclone Impurity 5 2,3-Py Razinedica boxylic Anbyd Yide PYRAZINE-2,3-DICARBOXYLIC ANHYDRIDE 2,3-PYRAZINEDICARBOXYLIC ANHYDRIDE FURO[3,4-B]PYRAZINE-5,7-DIONE Furo[3,4-b]pyrazine-5,7-dione (9CI, ACI) 4744-50-7 7477-50-7 C6H2N2O3 Pesticide intermediates GLYCINESCAFFOLD Fused Ring Systems bc0001