Pay in 4 interest-free payments of $5.67 Learn more
Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
Mixing up these measurements can lead to ten-fold dosing errors
The synthesis constitutes a formal total synthesis, since the research groups only prepared the known intermediate cobyric acid, whose chemical conversion to vitamin B 12 was previously reported
28 (49 percent) contained the wrong amount (with quantities ranging from 0.02 to 334 percent of the labeled amount)
Most research-context protocols use 3.0 mL of bacteriostatic water for the 80 mg vial, which produces about 26.7 mg/mL total blend concentration
US$ 24.59
US$ 29.14
US$ 24.91
US$ 27.11
US$ 22.78
