Pyrazine-2, 3-Dicarboxylic Anhydride 4744-50-7 Assay 99.02% White Powder

• Mf: White Powder
• 2,3-Pyrazinedicarboxylic Acid: 0.55%
• Assay(HPLC): 99.02%
• Water(Loss on Drying): 0.05%
• 2-Pyrazinecarboxylic Acid: 0.43%
• Transport Package: 25kg/Drum
• Model NO.: Water0.05% Total Impurity 0.97%
• Specification: 2, 3-Pyrazinedicarboxylic acid 0.55%
• Trademark: Royal
• Origin: China
• HS Code: 29349990
• Production Capacity: 40000kg/Years

Product Description

Packaging & Shipping

 

 

Our Advantages

Hangzhou Jinlan Pharm-Drugs Technology Co. Ltd.(JL Pharm) is an advanced pharmaceutical corporation with  a laboratory of 1200 square meters in Nanjing city, and cooperative GMP production plants in Beljing, Jiangsu, Zhejiang, Jiangxi, Chengdrand Shandong.We can provide both CDMO technology research and development services, and a ful range of laboratory R&D and production services for raw materials and pharmaceutical intermediates to globapharmaceutical companies during which synthetic route research and development, process reearch and development and optimization, scale-up production, domestic and foreign drug registration, and industrial equipment selection, automatic control system and technical process packages.

Product Name:    2,3-Pyrazinecarboxylic anhydride

 

Synonyms:    PYRAZINE-2,3-DICARBOXYLIC ANHYDRIDE;
2,3-Py Razinedica boxylic Anbyd Yide;
2,3-PYRAZINEDICARBOXYLIC ANHYDRIDE;
2,3-PYRAZINECARBOXYLIC ANHYDRIDE;
2,3-PYRAZINEDICARBOXLIC ANHYDRIDE;
2,3-PYRAZINEDICARBOXYLICANHYDRATE;
FURO[3,4-B]PYRAZINE-5,7-DIONE
CAS:    4744-50-7
MF:    C6H2N2O3
MW:    150.09
EINECS:    225-260-4
Product Categories:    Pesticide intermediates;GLYCINESCAFFOLD;Fused Ring Systems
Mol File:    4744-50-7.mol

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
pka    -3.43±0.20(Predicted)
form     Solid
color     White to light brown crystalline powder
LogP    -0.900 (est)
CAS DataBase Reference    4744-50-7(CAS DataBase Reference)

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 Usage And Synthesis
Uses    2,?3-?Pyrazinedicarboxylic Anhydride is a reagent used in the synthesis of highly potent and selective abietane type diterpenoid amides.
2,3-Pyrazinecarboxylic anhydride Preparation Products And Raw materials
Raw materials    o-Phenylenediamine-->Glyoxal-->Quinoxaline
Preparation Products    2,3-Pyridinedicarboxylic anhydride-->6-methyl-5H,6H,7H,8H-pyrazino[2,3-d]pyridazine-5,8-dione-->5,8-dichloropyrazino[2,3-d]pyridazine

 

Assay(HPLC)	≥98%	99.02%
Water(Loss on drying)	≤0.5%	0.05%
2,3-Pyrazinedicarboxylic acid	≤1%	0.55%
2-Pyrazinecarboxylic acid	≤1%	0.43%
TOtal impurity	≤4%	0.97%