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Furo[3,4-b]pyrazine-5,7-dione

Furo[3,4-b]pyrazine-5,7-dione structure

CAS No:
4744-50-7
Formula:
C6H2N2O3
Chemical Name:
Furo[3,4-b]pyrazine-5,7-dione
Synonyms:
Furo[3,4-b]pyrazine-5,7-dione;2,3-Pyrazinedicarboxylic anhydride;2,3-Pyrazinedicarboxylic acid anhydride;1431859-45-8;1522373-11-0
Categories:
Pharmaceutical Intermediates > Bulk Drug Intermediates

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Furo[3,4-b]pyrazine-5,7-dione Basic Attributes

Molecular Weight：

150.09

Exact Mass：

150.09

EC Number：

225-260-4

DSSTox ID：

DTXSID20197143

HScode：

2934999090

Characteristics

PSA：

69.2

XLogP3：

-0.2

Appearance：

white of off-white power

Density：

1.7±0.1 g/cm3

Melting Point：

>170 °C (decomp)

Boiling Point：

357.3°C at 760 mmHg

Flash Point：

169.9±22.3 °C

Refractive Index：

1.635

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

R36/37/38

safety instructions：

S26-S36

Marks：

Xi:Irritant;

Precautionary statement(s)：

P261-P305 + P351 + P338

Hazard Statements：

H315-H319-H335

GHS Classification：

|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 41 companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Furo[3,4-b]pyrazine-5,7-dione Use and Manufacturing

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 70percent).

Computed Properties

Molecular Weight:150.09
XLogP3:-0.2
Hydrogen Bond Acceptor Count:5
Exact Mass:150.00654193
Monoisotopic Mass:150.00654193
Topological Polar Surface Area:69.2
Heavy Atom Count:11
Complexity:194
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Recommended Suppliers of Furo[3,4-b]pyrazine-5,7-dione

HANGZHOU LEAP CHEM CO., LTD. Contact Supplier

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2,3-Pyrazinecarboxylic anhydride

CAS No.: 4744-50-7

Content: 99.00%

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shanghai jinghui industrial co.ltd Contact Supplier

CN
4 YRS

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Trader Supplier of Fluorine containing fine chemicals Pharmaceutical

2,3-Pyrazinecarboxylic anhydride 99% colorless liquid JINGHUI

CAS No.: 4744-50-7

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Changzhou Xuanming Pharmaceutical Techno Contact Supplier

CN
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Guide of Furo[3,4-b]pyrazine-5,7-dione

Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
Recommended Suppliers
Latest News
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Furo[3,4-b]pyrazine-5,7-dione

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