HuBei Ipure Biotech CO.,ltd(expird)
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CAS NO.122665-97-8
98%(1-5)Metric Ton98%(5-10)Metric Ton98%(10-50)Metric Ton99.0%(1-5)Metric Ton99.0%(5-10)Metric Ton
HuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 130 acres of plant in accordance with GMP production requirements. Our company enjoys a high reputation in China for its high standard, low price and comfortable service of high quality chemical products. we also have a strong team of professional R&D technology.we have about 300 employees, including 90 full-time PHD 15 PHD and masters above, 153 undergraduates, with reasonable professional knowledge structure and adequate staffing
Quick Details ProName: 4,4-Difluorocyclohexanecarboxylic acid...CasNo: 122665-97-8Molecular Formula: C4H5ClOAppearance: Lyophilized White PowderApplication: he preparation of vanilla.Used in pest...DeliveryTime: within 5-7 days after receiving paymen...PackAge: 25kgs/carton box 50kgs/pp bag 25kgs/...Port: any transport in ChinaProductionCapacity: 5000 Kilogram/MonthPurity: 99%Storage: cool，dry placesTransportation: by air or by sea by express.LimitNum: 1 Kilogram
|
items |
standard |
test result |
|
appearance |
white or almost white crystalline powder |
white crystalline powder |
|
identification |
||
|
a. infrared absorption |
the infrared absorption spectrum is concordant with the reference spectrum |
conform |
|
b. ultraviolet absorption |
absorptivities at 272nm, calculated on the dried base, do not differ by more than 3% |
1% |
|
specific rotation |
-17.0°～-15.3° |
-16.8° |
|
loss on drying |
≤1.0% |
0.2% |
|
heavy metals |
≤0.002% |
＜0.002% |
|
free naproxen |
≤1.0% |
0.1% |
|
related substances(hplc) |
||
|
impurity d(in-house) |
≤0.10% |
＜0.01% |
|
impurity e(in-house, impurity c in ep) |
≤0.10% |
＜0.01% |
|
any other impurity |
≤0.10% |
＜0.01% |
|
total impurities |
≤0.5% |
＜0.01% |
|
residual solvents |
||
|
toluene |
≤50ppm |
＜1ppm |
|
methanol |
≤50ppm |
＜4ppm |
|
assay(on dry basis) |
98.5%～101.5% |
100.4% |
|
conclusion |
the results conform with usp38. |
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