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1 Metric Ton |
Negotiable |
2,3,5-trimethyl-p-benzoquinone 2,3,5-trimethylquinone 2,3,5-trimethyl-2,5-cyclohexadien-1,4-dione
Pharmaceutical intermediates, vitamin E acetate intermediates.
Description & Specification
Category | Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug |
Standard | Medical standard |
Shelf life | 2 years |
Storage | should be stored in a well-closed container at low temperature, keep away from moisture, heat and light. |
Test Item | Standard: USP |
Identification |
IR spectrum similar to that of RS |
HPLC retention time similar to that of RS |
|
Related substance |
Total impurities: NMT0.3% |
Single impurity: NMT0.1% |
|
Heavy metals |
NMT 10ppm |
Loss on drying |
NMT0.5% |
Residue on ignition |
NMT0.1% |
Assay |
98.5%-101.0% |
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