Cas:68-19-9 Vitamin B12 powder cyanocobalamin powder
| product name |
Vitamin B12 |
| cas number |
68-19-9 |
| apperance |
Red powder |
| Density |
/ |
| MF |
C63H88CoN14O14P |
| MW |
1355.365 |
Vitamin B12, also called cobalamin, is a polycyclic compound containing trivalent cobalt. 4 reduced pyrrole rings are joined together to become a corrin macrocycle (similar to porphyrin), which is the only metal containing Elements of vitamins. Vitamin B12 is a red crystalline powder, odorless and tasteless, slightly soluble in water and ethanol, most stable under pH 4.5-5.0 weak acid conditions, decomposed in strong acid (pH<2) or alkaline solution, and may be damaged to a certain extent when exposed to heat . Higher animals and plants cannot produce vitamin B12. Vitamin B12 in nature is synthesized by microorganisms. Vitamin B12 is the only vitamin that needs the help of intestinal secretions (endogenous factors) to be absorbed. It participates in the production of bone marrow red blood cells, prevents pernicious anemia, and prevents brain nerves from being damaged.
It is known that B12 is a coenzyme of several mutases, such as methyl aspartate mutase, which catalyzes the conversion of Glu to methyl Asp, and methylmalonyl, which catalyzes the conversion of methylmalonyl CoA to succinyl CoA. CoA mutase. The B12 coenzyme is also involved in the transfer reaction of methyl and other one-carbon units.
B12 is mainly found in meat. Soybeans in plants and some herbs also contain B12, which can be synthesized by intestinal bacteria, so it is not lacking under normal circumstances. However, B12 is a vitamin that people with digestive tract diseases tend to lack, and it is also indispensable for red blood cell production. Important elements, if severely lacking, will lead to pernicious anemia!
Vitamin B12 is widely present in animal food. And its form cannot be absorbed by the human body. In addition, vitamin B12 is also the only vitamin that contains essential minerals. It is red due to the cobalt content. It is also called red vitamin and is one of the few colored vitamins. Although vitamin B12 belongs to the B group vitamins, it can be stored in the liver. After the storage is exhausted, it will take more than half a year for the symptoms of deficiency to appear. The human body needs very little vitamin B12, as long as the diet is normal, it will not be lacking. A small number of people with malabsorption must pay special attention.
Audited Supplier 
){kind=link}
){kind=link}