Thieno[3,4-B]pyrazine

Base Information

Chemical Name:Thieno[3,4-B]pyrazine
CAS No.:272-43-5
Molecular Formula:C6H4N2S
Molecular Weight:136.177
Hs Code.:2934999090
DSSTox Substance ID:DTXSID90575838
Nikkaji Number:J417.972B
Wikidata:Q72508396
Mol file:272-43-5.mol

Synonyms:thieno(3,4-b)pyrazine

Suppliers and Price of Thieno[3,4-B]pyrazine

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Crysdot
Thieno[3,4-b]pyrazine 95+%
1g
$ 432.00

Alichem
Thieno[3,4-b]pyrazine
1g
$ 387.20

Activate Scientific
Thieno[3,4-b]pyrazine 95%
250 mg
$ 246.00

Activate Scientific
Thieno[3,4-b]pyrazine 95%
100 mg
$ 131.00

Total 18 raw suppliers

Chemical Property of Thieno[3,4-B]pyrazine

Chemical Property:

Vapor Pressure:0.03mmHg at 25°C
Melting Point:47-48 °C
Refractive Index:1.705
Boiling Point:253.195 °C at 760 mmHg
Flash Point:112.081 °C
PSA：54.02000
Density:1.369 g/cm³
LogP:1.69130
Storage Temp.:Sealed in dry,Room Temperature
XLogP3:0.9
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:0
Exact Mass:136.00951931
Heavy Atom Count:9
Complexity:95.2

Purity/Quality:

99% ^*data from raw suppliers

Thieno[3,4-b]pyrazine 95+% ^*data from reagent suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:C1=NC2=CSC=C2N=C1

Technology Process of Thieno[3,4-B]pyrazine

There total 3 articles about Thieno[3,4-B]pyrazine which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 76.0%

: 131543-46-9,107-22-2
Glyoxal

: 90069-81-1
thiophene-3,4-diamine dihydrochloride

: 272-43-5
thieno<3,4-b>pyrazine

Guidance literature:: With sodium carbonate; In water; at 20 ℃; for 3h;
DOI:10.1002/ejoc.201200769

Reference yield: 76.0%

: 78637-85-1
thiophene-3,4-diamine

: 131543-46-9,107-22-2
Glyoxal

: 272-43-5
thieno<3,4-b>pyrazine

Guidance literature:: With sodium carbonate; In water; at 20 ℃; for 1h;
DOI:10.1021/jo0262255

Reference yield:

: 131543-46-9,107-22-2
Glyoxal

: 52431-30-8
2,5-dibromo-3,4-dinitrothiophene

: 272-43-5
thieno<3,4-b>pyrazine

Guidance literature:: 2,5-dibromo-3,4-dinitrothiophene; With hydrogenchloride; tin; In water; at 0 - 20 ℃; for 9h;

Glyoxal; With sodium carbonate; In water; at 20 ℃;
DOI:10.1002/ejoc.202100199