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Retrieved from Nutritional Source, Harvard T.H

Validated assay content of 10.26 mg Purity greater than 99.8 percent Retention time and spectral identity confirmation Endotoxin levels below 0.001 EU per mg No detectable microbial contamination No detectable heavy metals High purity research compound for controlled laboratory experiments Supplied in sealed sterile research vial For research use only not for human or veterinary use For laboratory research only

Pregnancy and Infertility

It is not surprising that EtPhCbl and PhEtyCbl both exhibit diculty in dissociating the upper axial ligand as these cobalamins have been shown to be metabolically inert