Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer and supplier of Vitamin B12 (Cyanocobalamin) (CAS: 68-19-9) with high quality. We can provide COA, worldwide delivery, small and bulk quantities available. If you are interested in this product, please send detailed information includes CAS number, product name, quantity to us. Please contact: alvin@ruifuchem.com
| Chemical Name | Vitamin B12 |
| Synonyms | Cyanocobalamin; VB12 |
| CAS Number | 68-19-9 |
| Stock Status | In Stock, Production Scale Up to Tons |
| Molecular Formula | C63H88CoN14O14P |
| Molecular Weight | 1,355.39 |
| Melting Point | >300℃ |
| Sensitive | Hygroscopic. Heat Sensitive, Moisture Sensitive |
| Solubility in Water | Slightly Soluble in Water. Degree of Solubility in Water 12.5 g/l 25℃ |
| Solubility (Insoluble in) | Acetone, Chloroform, Ether |
| Odor / Taste | Characteristic |
| COA & MSDS | Available |
| Brand | Ruifu Chemical |
| Item | Specifications |
| Appearance | Dark Red Crystalline Powder (Visual Method) |
| Identification A | UV: The Absorption Spectrum Exhibits Maxima at 278±1nm, 361±1nm, and 550±2nm |
| A361nm/A278nm: 1.70~1.90 | |
| A361nm/A550nm: 3.15~3.40 | |
| Identification B | Cobalt: Meet USP Requirements |
| Identification C | HPLC: The Retention Time of the Major Peak of the Sample Solution Cossesponds to that of the Standard Solution |
| Loss on Drying | <10.00% |
| Assay | 97.0~102.0% (On Dried Basis) |
| Related Sunstances | |
| Total Impurities | <3.00% |
| 7β,8β-Lactocyanocobalamin | <1.00% |
| 34-Methylcyanocobalamin | <2.00% |
| 8-Epi-Cyanocobalamin | <1.00% |
| Any OtherUndientifiedImpurity | <0.50% |
| 50-Carboxycyanocobalamin | <0.50% |
| 32-Carboxycyanocobalamin | <0.50% |
| Heavy Metals | ≤10ppm |
| Arsenic (As) | ≤3ppm |
| Lead (Pb) | ≤3ppm |
| Residual Solvents Acetone | <5000ppm |
| Microbiological Tests | |
| Total Aerobic Microbial Count | <1000cfu/g |
| Total Yeast & Mold | <100cfu/g |
| E.Coli | Negative |
| Salmonella | Negative |
| Particle Size | 100% Through 80 Mesh |
| Infrared Spectrum | Conforms to Structure |
| Solubility in H2O | Dark Red,10 mg/ml Pass |
| Test Standard | USP 40 |
Package: Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement.
Storage Condition: Store in a tightly closed container. Store in a cool, dry and well-ventilated warehouse away from incompatible substances. Protect from light and moisture.
Shipping: Deliver to worldwide by air, by FedEx / DHL Express. Provide fast and reliable delivery.
How to Purchase? Please contact: sales@ruifuchem.com or alvin@ruifuchem.com
15 Years Experience? We have more than 15 years of experience in the manufacture and export of a wide range of high quality pharmaceutical intermediates or fine chemicals.
Main Markets? Sell to domestic market, North America, Europe, India, Russia, Korea, Japanese, Australia, etc.
Advantages? Superior quality, affordable price, professional services and technical support, fast delivery.
Quality Assurance? Strict quality control system. Professional equipment for analysis include NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, K.F, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.
Samples? Most products provide free samples for quality evaluation, shipping cost should be paid by customers.
Factory Audit? Factory audit welcome. Please make an appointment in advance.
MOQ? No MOQ. Small order is acceptable.
Delivery Time? If within stock, three days delivery guaranteed.
Transportation? By Express (FedEx, DHL), by Air, by Sea.
Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided.
Custom Synthesis? Can provide custom synthesis services to best fit your research needs.
Payment Terms? Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc.
Vitamin B12 (Cyanocobalamin) (CAS: 68-19-9) is a member of the vitamin B complex, abbreviated as VB12, one of the B vitamins, is a kind of complex organic compound containing, It is the largest and most complex vitamin molecule found so far. Functions:
1) Vitamin B12 can resistance to fatty liver, promote storage of vitamin A in liver.
2) Vitamin B12 Promote cell mature and body metabolism.
3) Vitamin B12 participates in the manufacturing of bone marrow RBC ,so it can be the treatment of pernicious anemia.
4) Vitamin B12 increases folic acid utilization rate, promote carbohydrate, fat and protein metabolism.
5) Vitamin B12 can promote methyl transferase.
6) Vitamin B12 can Promote the development and maturation of red blood cells, so that the body hematopoietic function in a normal
state, the prevention of pernicious anemia; maintain a healthy system.
7) Vitamin B12 has the function of activate amino acids and promote the biosynthesis of nucleic acids, can promote protein synthesis,it plays an important role for growth and development of infants and young children .
8) Vitamin B12 can metabolize fatty acids and make fat, carbohydrates, protein can be properly used by body.
9) Vitamin B12 can eliminate irritability and help to keep concentration, enhance memory and sense of balanc.
10)Vitamin B12 is a indispensable vitamins to keep system function completed and participate in developing a kind of lipoprotein