9-Bromo-3-(2-bromoacetyl)-10,11-dihydro-5H-benzo[d]naphtho[2,3-b]pyran-8(9H)-one

项目

Item

标准

Standard

外观

Appearance

黄色固体

Yellow solid

监别

Identification

供试品溶液主峰保留时间与对照品溶液主峰保持时间一致

The retention time of the main peak of the solution should be consistent with the retention time of the main peak of the reference solution

含量(HPLC)

Assay(HPLC)

≥98％

水分

Water

≤0.2%

灼烧残渣

Residue on ignition

≤2.0%