High quality D-Biotin 99% with best price
Price | $10 |
Package | 1kg |
Min. Order: | 100 gg |
Supply Ability: | 20TONS |
Update Time: | 2019-05-22 |
Product Details
Product Name: High quality D-Biotin 99% with best price | Min. Order: 100 gg |
Purity: 99.9% | Supply Ability: 20TONS |
Release date: 2019/05/22 |
e-mail:carrie@hebeijimi.com
item |
standard |
result |
appearance |
white or almost white crystalline powder |
conform |
identification |
the retention time of sample in the main peaks correspond to that of the ref.standard |
conform |
ir should conform |
conform |
|
specific rotation |
+89.0~+93.0° |
+91.4° |
loss on drying |
≤0.4% |
0.06% |
related substances |
any single impurity≤1.0% |
<0.1% |
total impurities≤2.0% |
<0.1% |
|
residual solvents |
toluene≤100ppm |
<10ppm |
benzene≤2ppm |
<0.5ppm |
|
dmso≤5000ppm |
<500ppm |
|
total plate count |
≤1000cfu/g |
not detected |
yeasts & moulds |
≤100cfu/g |
not detected |
e-coli |
not detectable / 1g |
not detected |
staphylococcus aureus |
not detectable / 1g |
not detected |
pseudomonas aeruginosa |
not detectable / 1g |
not detected |
enterobacteria |
not detectable / 1g |
not detected |
salmonella |
not detectable / 10g |
not detected |
assay |
97.5~100.5% |
99.2% |
conclusion |
this product conforms to usp39 & in-house standard. |
Company Profile Introduction
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- Since: 2019-01-12
- Address: Xingtai City,Hebei Province