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(+)-Usnic acid from Usnea dasypoga

Molecular Structure:
MDL:
MFCD00016878
Molecular Formula:
C18H16O7
Molecular Weight:
344.32
Alias:
地衣酸,D-2,6-二乙酰基-7,9-二羟基-8,9b-二甲基-1,3(2H,9bH)-二苯并呋喃二酮 2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3(2H,9bH)-dione
Product order:
Name Specifications Packing Price Delivery
(+)-Usnic acid from Usnea dasypoga 98% 5g RMB 319 Consulting service
(+)-Usnic acid from Usnea dasypoga 98% 25g RMB 1386 Consulting service
(+)-Usnic acid from Usnea dasypoga 分析标准品,≥95% 10mg RMB 132 Consulting service
Character:
黄色斜方棱柱状结晶(丙酮)。
熔点:201-203℃ 
Quality Standard:
外观Appearance                          黄色至黄绿色或金色粉末
红外光谱鉴别Infrared spectrometry       和对照品匹配
纯度Purity                              ≥98.0% (TLC)
比旋光度optical activity [α]25/D        +488°, c = 0.7 ,氯仿


植物来源:为松萝科(Usneaceae)植物松萝 Usnea diffracta Vain.和长松萝Usnea longissima Ach.的干燥地衣体。

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