- Min.Order :1 Kilogram
- Purity: 99
- Payment Terms : T/T
Keywords
Vitamin B12 68-19-9 high purity,competitive price
Quick Details
- Appearance:Dark red crystalline powder
- Application:Pharmaceutical intermediates
- PackAge:as your request
- ProductionCapacity:6|Metric Ton|Month
- Storage:2-8°C
- Transportation:by air or sea
Superiority:
Details:
Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical manufacturing for overseas customers, in the field of API, pharmaceutical intermediates, chemical intermediates, fine chemicals, agrochemicals, and Fragrance Perfume etc. We setup a factory in JiangSu priority to Pharmaceutical Intermediates and a factory in AnHui mainly engaged in Fragrance Perfume. Now we have two autoclaves (up to 7.0MPa), two rectifying columns (8m and 6m), two refrigerating sets (below to -25 degree centigrade) and other normal machine.
Our mission statement shows our commitment to quality. Our core value is the satisfaction of our clients. We greatly look forward to collaborating with you to grow both of our businesses into a much larger scale.
Details
place of origin: china (mainland) type: blood system agents brand name: thld purity: 99% price negotiation: vit b12 packaging & delivery packaging detail: 1kg/tin or 100g/tin delivery detail: within three weeks after receipt of t/t or l/c specifications vitamin b12 (cyanocobalamin) pharmceutical chemical food grade vit b12 feed additives api commodity: vitamin b12 , cyanocobalamin, vit b12 chemical formula: c62h89con14o14p appearance: dark red crystalline powder dark red crystalline powder expiry date: 3 years standard: usp 31 package: 1kg/tin or 100g/tin we supply food and feed grade vitamin b12 and phama grade .
quick details
| cas no.: | other names: | mf: | |||
| einecs no.: | place of origin: | type: | |||
| grade standard: | brand name: | model number: | |||
| purity: | other name: | storage: | |||
| shelf life: | package: | test method: | |||
| standard: | cas: | name: |
packaging & delivery
| packaging detail: | 25kg carton drum (32cm*58cm)or 1kg foil bag (10cm*15cm) or by request of clients |
| delivery detail: | prompt delivery after payment confirmed by air courier or by sea |
specifications
hydroxocobalamin,vitamin b12,
pharmaceutical ingredient,
in bulk supply,cyanocobalamin,
68-19-9,welcome inquire.
hydroxocobalamin,vitamin b12,cyanocobalamin pharmaceutical ingredient,in bulk supply,welcome inquire
vitamin b12/cyanocobalamin conform to usp34 standard
it is an especially common vitamer of the vitamin b12 family. it is the most famous vitamer of the family, because it is chemically the most air-stable, and it is the easiest to crystallize and therefore easiest to purify after it is produced by bacterial fermentation.
vitamin b12 is necessary for the synthesis of red blood cells, the maintenance of the nervous system, and growth and development in children.
deficiency can cause anemia. vitamin b12 neuropathy, involving the degeneration of nerve fibres and irreversible neurological damage, can also occur.
|
item |
specification |
results |
|
description |
dark red crystalline powder, have no smelly and test less; hygroscopicity. |
complies |
|
identification |
positive |
positive |
|
ratio absorbance |
a361nm/a278nm:1.70-1.90 a361nm/a550nm:3.15-3.40 |
1.86 3.25 |
|
pseudo cyanocobalamin |
complies |
complies |
|
loss on drying |
≤12.0% |
2.6% |
|
assay on dried |
96%-100.5% |
97.8% |
|
bacteria |
≤100cfu/g |
100cfu/g |
|
mould yeasts |
≤100cfu/g |
no found |
|
e coli |
no found |
no found |
|
limit of residual solvents |
acetone≤0.5% |
0.09% |
|
conclusion: the product complies with usp32 standard |
||
main function:
* promote the formation and red blood cells regeneration, prevent anemia
* maintenance nervous system health
* promote children's growth, stomachic
* fatty acid metabolism, make fat, carbohydrate, protein is the proper use of the body
* eliminate irritability, focus your attention, improve memory and balance
terms & conditions
1.packing detail:25kg/drum (25kg net weight,28kg gross weight; packed in a cardboard-drum with two plastic-bags inside; drum size: 510mm high, 350mm diameter) or 1kg/bag (1kg net weight, 1.2kg gross weight, packed in an aluminum foil bag; outer: paper carton; inner: double-layer pe) or as per your request.
2.delivery time: 3~5 days after payment
3.storage: stored in a cool & dry well closed container, keep away from moisture and strong light,high temperature.
4.shelf life: two years when properly stored.
5.delivery: by ups/dhl/tnt/ems or by air/ sea as per qty or as your requirements.
6.free sample for your test
welcome to visit us
we are professional manufacturer of vitamin in china,
and we can supply all kinds
of them according to the international standard.
if you have any further questions, please do not hesitate to contact with us.
best quality, competitive price, excellent service.
You Might Also Like
Related Searches
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View