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2,3-Dichloropyrazine

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Origin: China

Cas No: 4858-85-9

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details

CAS No.:: 4858-85-9

Other Names:: 2.3-Dichloropyrazine

MF:: C12H10ClP

EINECS No.:: 4858-85-9

Place of Origin:: Shandong, China

Type:: Agrochemical Intermediates, Dyestuff Intermediates, Flavor & Fragrance Intermediates, Pharmaceutical Intermediates, Syntheses Material Intermediates

Purity:: 99.0%min

Brand Name:: Finerchem

Model Number:: 4858-85-9

Application:: organic intermediate

Appearance:: POWDER

CAS:: 4858-85-9

Standard:: export standard

Product website:: http://www.finerchem.com/pro01en/id/270.html

Packing:: 10g/bag

Sample:: Provide

Usage:: organic intermediate

Brand:: Finerchem

Packaging&Delivery

Packaging Details: Liquid product packaging:
1kg/bottle, 25kg/drum, or as your demand
Solid package:
Aluminum foil bag for within 10kg
Fiber drum for 10kg and more
Shipping: By air, by sea or by courier (VIP account of TNT, DHL, Fedex and EMS)

Port: Qingdao or Shanghai

Lead Time:

Quantity(Kilograms)	1 - 100	>100
Est. Time(days)	2	To be negotiated

Products Description

Product Name	2,3-Dichloropyrazine
CAS No.	4858-85-9
Appearance	Light yellow transparent liquid or semi-solid
Assay	≥96%
Capacity	1000mt/year
Min.packing	1gram
Application	organic intermediate
Standard	Export
Brand	Finerchem
More information	Molecular Formula C4H2Cl2N2 Molecular Weight 148.98 CAS Registry Number 4858-85-9 EINECS 225-460-1 Density 1.431 Melting point 22.5-24.5 ºC Boiling point 105-107 ºC (50 mmHg) Flash point 102 ºC

Property

CAS No.: 4858-85-9 Formula: C4H2Cl2N2 Molecular Weight: 148.97800

Description

2,3-Dichloropyrazine is a substrate used for an efficient synthesis of aloisine, a potent cyclin-dependent kinase.

Basic Info

Chemical Name	2,3-Dichloropyrazine
Synonyms	2,3-Dichloro-1,4-diazine; ethyl 5,6-dichloropyrazine; 2 3-dichloropyrazine; dichloropyrazine; Pyrazine,2,3-dichloro; 2,3-Dichlor-pyrazin;
CAS No.	4858-85-9
Molecular Formula	C4H2Cl2N2
Molecular Weight	148.97800
PSA	25.78000
LogP	1.78340

Properties

Appearance & Physical State	clear colorless to light yellow liquid
Density	1.431
Boiling Point	105-107ºC (50 mmHg)
Melting Point	22.5-24.5ºC
Flash Point	102ºC
Refractive Index	1.5645

Safety Info

Safety Statements	S26-S36
HS Code	2933990090
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

3-chloro-1-oxidopyrazin-1-ium→2,5-dichloropyrazine+2,3-Dichloropyrazine
Pyrazine 1,4-Dioxide→2,3-Dichloropyrazine+2,6-Dichloropyrazine
2-chloro-1-oxidopyrazin-1-ium→2-Chloropyrazine+2,3-Dichloropyrazine

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Capillary	OV-101	-	1032.	temperature ramp
Capillary	Carbowax 20M	-	1581.	custom temperature program

Precursor

2-Chloropyrazine
3-chloro-1-oxidopyrazin-1-ium
pyrazine
1,4-dihydropyrazine-2,3-dione

Downstream Product

2-chloro-N-(3-chloropyrazin-2-yl)benzenesulfonamide
3-chloro-1H-pyrazin-2-one
2-Chloro-3-methoxypyrazine
2-Chloro-3-hydrazinylpyrazine

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