Xi'an Sengmei Biological Technology Co., Ltd
Business Type:Manufacturer
Country/Region:China
Ddu Verified
HOT Rank
Xi'an Sengmei Biological Technology Co., Ltd
We are professional supplier of animal and plant extracts.
Xi'an Sengmei Biological Technology Co., Ltd
We are professional supplier of animal and plant extracts.
Business Type:Manufacturer
Country/Region:China
Ddu Verified
HOT Rank
Information
Name : 9-Hydroxyfluorene
Synonyms : 9H-Fluoren-9-ol CAS :1689-64-1
Molecular Formula C13H10O
Molecular Weight 182.22
EINECS 216-879-0
MP 153-154 °C
Other name:TIMTEC-BBSBB007717;9h-fluoren-9-ol;DIPHENYLENECARBINOL;9-HYDROXY-FLUOREN;9-HYDROXYFLUORENE;9-FLUORENOL;Hydroxyfluoren;fluoren-9-ol
1 .Appearance : White to off-white crystalline powder or lumps
2 .Specific Optical Rotation (c=0.5,10% HAc) :-50.0~-60.0°
3 .Water Content(Karl Fischer) : ≤5.0%
4 .Acetate Content(by HPLC) : ≤15.0%
5 .Amino Acid Composition : ±10% of theoretical
6 .Purity (by HPLC) :≥98.0%
7 .Single Impurity(by HPLC) :≤1.0%
8 .Peptide Content(by %N) : ≥80%
9 .Assay(By Anhydrous, Acetic Acid-free ) :95.0~105.0%
10 .Bacterial Endotoxins : ≤5EU/mg
Specification
ITEMS | SPECIFICATIONS | RESULTS |
Description | ||
Appearance | Creamy white powder | conforms |
Solubility | Easily soluble in acetic ether, methanol and ethanol, soluble in glacial acetic acid,insoluble in water | conforms |
Melting point | 155~158℃ | 155.2~155.6℃ |
Identification | ||
Infrared spectrum | Infrared absorption spectra should be consistent with the reference sample. | conforms |
High performance liquid chromatography | The sample peak retention time should be consistent with the standard of retention time | conforms |
TESTS | ||
loss on drying | ≤ 0.5% | 0.24% |
Residue on ignition | ≤ 0.5% | 0.10% |
Related impurities | Max Single impurity≤ 0.1% Total impurity ≤ 0.5% | 0.06% 0.20% |
Purity (HPLC) | ≥ 99.5% | 99.80% |
Conclusion | This product conforms to the in-house standard. | |
Application
1,organic intermediate
2,Fluorene Deriva
3,nootropics auxiliary