cis-4,7,10,13,16,19-Docosahexaenoic acidCis-alias -4,7,10,13,16,19 - six methyl ene 22 
English cis-4 ,7,10,13,16,19-Docosahexaenoic acid methyl ester 
CAS # 301-01-9 
Molecular formula C23H34O2 
Molecular weight 342.52 
Oily liquid. Relative density 0.921. Refractive index 1.4980. Flash point 93 ℃. 
For biochemical research. 
This product should be sealed in 0 ℃ following preservation.