USD $5.00-10.00 / Gram
USD $1.00-10.00 / Kilogram
USD $5.00-10.00 / Gram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $5.00-10.00 / Gram
USD $8.20-8.80 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
superiority
kono is a leading manufacturer and supplier of chemicals in china. we develop ,produce and distribute high
quality pharmaceuticals, intermediates, special chemicals and other fine chemicals.
we could give you:
1.best quality in your requirement
2.competitive price in china market
3.mature technical support
4.professional logistic support
all we want is win-win business. send yr. inquiries, you will get it!
1.usp/ep/bp/fcc/cp
2.gmp/dmf/kosher/halal/haccp
3.10 years experience
4.delivery within 5 days
5.oem ability
product name: d-biotin with 98% concentration
other name: vitamin h
cas number: 58-85-5
einecs number: 200-399-3
specification: usp/bp/ep/fcc
certification: gmp/dmf/haccp/halal/kosher
expiry time: 2 years
packing: 5kg/tin, 20kg/drum, 25kg/drum, 50kg/drum, 200kg/drum, 1mt/drum
storage: product should be preserved in tightly closed containers protected from light, heat, and air.
do not expose to alkalis or strong oxidizing agents
appearance |
a white or off-white crystalline powder |
conform |
content of related substance |
comply with ep5 |
conform |
identification |
correspond |
conform |
clear and colour |
0.01g/ml solution (in 4g/l naoh) is clear and colourless |
conform |
heavy metals |
≤10ppm |
<10ppm |
sulphated ash |
≤0.1% |
0.05% |
specific optical rotation |
+89.0o~ +93.0o |
+89.2o |
organic volatile impurity |
meets usp requirement |
conform |
assay(titration,0.1n naoh) |
98.5%~100.5% |
99.5% |
loss on drying |
≤0.5% |
0.1% |
conclusion: conforms to usp32/ep6 |
||
shelf life 3 year from manufacture date |