USD $90.00-100.00 / Metric Ton
USD $25.00-40.00 / Gram
USD $90.00-100.00 / Metric Ton
USD $25.00-40.00 / Gram
USD $35.00-90.00 / Kilogram
USD $35.00-90.00 / Kilogram
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2.competitive price
3.good service
4.many kinds of transportation way
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product:56786-63-1
assay:min95%
56786-63-1 basic information more.. |
product name: | spirostan-6-one, 3,5-dihydroxy-, (3b,5a,25r)- |
synonyms: | |
cas: | 56786-63-1 |
mf: | c27h42o5 |
mw: | 446.619 |
einecs: | |
mol file: | 56786-63-1.mol |
specifications----5a-hydroxy laxogenin
item |
specifications |
results |
appearance |
white or off-white powder |
white powder |
identification hplc |
the ir spectrogram conforms to the characteristic peak of r.s. |
complies |
the maximum absorption should be in 214nm±2nm |
complies |
|
the retention time of the major peak in the chromatogram conforms to the characteristic peak of r.s. |
complies |
|
mp |
248.6-252.3oc |
complies |
residual solvents |
methylene chloride ≤600ppm ethanol ≤5000ppm acetone ≤400ppm hexane ≤290ppm dmf ≤880ppm thf ≤720ppm |
complies |
heavy metals |
≤10ppm |
complies |
assay(hplc) |
>=95%(a and b) |
96.81% |
conclusion |
the test results conforms to enterprise standards. |