What is vitamin B9? Product name:Vitamin B9 Other name:Folic acid CAS NO.:59-30-3， 11096-55-2 Use:Prevention of fetal neural tube defects Appearance:yellow powder Molecular formula:C19H19N7O6 Specification:99% Vitamin B9 (aka: folate, folicin, folic-acid) is a water-soluble B vitamin with many rich natural sources. Folic acid is the synthetic form of vitamin B9 found in fortified foods and supplements. As with most vitamins, the …