Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.Our main business covers the fields below:

1.Noble Metal Catalysts (Pt.Pd...)

2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...)

3.OLED intermediates (Fluorene,Carbazole,Boric acid...)

4.Customs Synthesis

Our advantage:

1. Higest quality and good package

2.Fast delivery

3.Better payment term

4.Fast response to customer  within 6 hours

5.Good business credit in Europe ,US ,Japan ,Korea

Anyway ,if you need any chemicals from China ,Henan Tianfu can help you

(5 h) - 5-methyl - 6,7- dihydro ring e and pyrazine (b); 6,7-Dihydro-5-methyl-5(H)-cyclopentapyrazine
CAS: 23747-48-0 FEMA: 3306
Synonyms: 5 - methyl - 6, 7 - dihydro - 5 h - e and pyrazine ring
Molecular formula: C8H10N2
Quality and technical standard:
Aroma: baked sweet
Appearance:
Content (gas chromatography) : 99% or greater
Refractive index (@ 200 c) : 1.527
Relative density (@ 200 40 c/c) : 1.055
Flash: 174 ° F
Purpose: baked goods, meat products
Suggested usage: 0.5-10 PPM
Packing: sealing good aluminum bottle.
Net weight: 1000 g.
Storage:Add 0.1% of butylated hydroxytoluene as stabilizer, stored in a cool and dry place, inside space under the 
security permission as small as possible, and nitrogen protection.When stored more than 6 months, need to confirm 
the quality of the product before use.