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Siemens 2015
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CAS Number: 68-19-9 (Cyanocobalamin reference form) Molecular Formula: C63H88CoN14O14P Molecular Weight: ~1355.38 g/mol Compound Classification: Naturally occurring cobalt-containing corrinoid vitamin Specifications Form: Aqueous solution Concentration: 1000 g/mL (nominal) Vitamin B-12 Volume: 10 mL Filtration: 0.2 m sterile membrane Preservative: 0.9% Benzyl Alcohol Container: Sterile glass vial Appearance: Red solution Purity: Manufactured to defined specification (98% assay cyanocobalamin
These unknowns represent the gap that formal clinical trials would address
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