5,7-Dihydroxy-4-methylcoumarin
5,7-Dihydroxy-4-methylcoumarin analytical standard provided with chromatographic purity, to be used as reference material for qualitative determination.
80.00 $
80.00 $

identification

0511
C₁₀H₈O₄
2107-76-8
192.17
CC1=CC(=O)OC2=C1C(O)=CC(O)=C2
CC1=CC(=O)OC2=C1C(O)=CC(O)=C2

specification

5,7-Dihydroxy-4-methylcoumarin analytical standard provided with chromatographic purity, to be used as reference material for qualitative determination.
Purity (HPLC) ≥90%
Melting point : 294-298°C

bibliography

Monograph
2412
EP / Eucommia bark
2014

plants

Eucommia ulmoides
  • Gutta-percha (fr)
  • Eucommia (en)
  • Du Zhong (cn)

safety

H315 H319 H335
P337+P313 P305+P351+P338 P260 P280
Warning
  • Point d'exclamation SGH07

storage

Store at : <+8°C
Store in dry and dark place.
Ambient temperature