Complaint
| Molecular formula | C63H88CoN14O14P | Complies |
| Molecular weight | 1355.38 | Complies |
| Description | Dark red crystalline powder, have no | Dark red crystalline |
| smelly and tasteless;Hygroscopicity | ||
| Solubility | Slightly soluble in water or ethanol, | Complies |
| insoluble in acetone, chloroform or ether | ||
| Identification | Positive | Positive |
| Ratio Absorbances | A361nm/A278nm: 1.70-1.90 | 1.87 |
| A361nm/A550nm: 3.15-3.40 | 3.32 | |
| Pseudo Cyanocobalamin | Complies | Complies |
| Loss on drying | ≤12.0% | 2.20% |
| Assay on dried | 96.0~100.5% | 98.50% |
| Bacteria | ≤1000cfu/g | 20cfu/g |
| Mould,Yeasts | ≤100cfu/g | No found |
| E Coli | No found | No found |
| Limit of residual solvents | Acetone≤0.5% | 0.02% |
| Conclusion | Conform to Complies with USP.34 |
Vitamin B12 is a water-soluble vitamin. The term vitamin B12 includes the free vitamin (cyanocobalamin) and two coenzymes methylcobalamin and 5-deoxyadenosylcobalamin.
Function
1.It can be resistance to fatty liver, promote storage of vitamin A in liver.
2.It can promote cell mature and body metabolism.
3.It participates in the manufacturing of bone marrow RBC, so it can be the treatment of pernicious anemia.
4.It increases folic acid utilization rate, promote carbohydrate, fat and protein metabolism.
Service:
We can make the packaging, customize the bag, design the label, and use the customer's own brand according to the customer's request. All the requirements of the customer will be done do our best.
Good service:
-All your messages and emails will be answered in 24 hours.
-Friendly communication and good after sales service.
-customized label/logo/packing service.
Q1. How about your delivery time?
A: Generally, it will take 10 to 15 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q2: Can you give me a discount price?
A: Yes, you can, larger quantity, more favorable price.
Q3. Can you provide OEM service?
A: Yes, sure. Welcome to show us your design bag.
Q4. What is your sample policy?
A: For sample it is free, but the freight cost is on customer's side.
Q5: Do you have distributors in our country?
A: We are looking for distributors all over the world.
