B vitamins

Thiamine - Vitamin B₁

C₁₂H₁₉N₄OS (MG: 267.37)

Commercially available as chloride hydrochloride or as nitrate.

Riboflavin - Vitamin B₂

Riboflavin: C₁₆H₁₉N₅O₆ (MG: 377.35)
FMN: C₁₆H₁₈N₅O₉P (MG: 455.32)
FAD: C₂₇H₃₂N₁₀O₁₅P₂ (MG: 798.55)

Pantothenic acid / Panthenol - Vitamin B₃

Pantothenic acid: C₉H₁₇NO₅ (MG: 219.24)
Panthenol: C₉H₁₉NO₄ (MG: 205.25)

Niacin - Vitamin B₅

Collective term for nicotinic acid and nicotinamide

Nicotinic acid: C₆H₅NO₂ (MG: 123.11)
Nicotinamide: C₆H₆N₂O (MG: 122.12)

Pyridoxine - Vitamin B₆

Folic acid - vitamin B₉

Coenzyme for hydroxymethylation and formylation

Red structural detail: Tetrahydrofolic acid
Molecular formula: C₁₉H₁₇NO₆ (MG: 355.34) or C₁₉ H ₂₁NO₆ (MG: 359.37)

Cyanocobalamin - Vitamin B₁₂

INN: Cyanocobalamin
α-(5,6-dimethylbenzimidazol-1-yl)-cobamidcyanide

C₆₃H₈₈CoN₁₄O₁₄P (MG: 1355.37)