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5,7-Dihydroxy-4-methylcoumarin / 2107-76-8 / 0511
5,7-Dihydroxy-4-methylcoumarin analytical standard provided with chromatographic purity, to be used as reference material for qualitative determination.
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/freezing point : 294-298°C
Bibliography
Monograph
2412 EP / Eucommia bark
2014
Plants
Eucommia ulmoides
- Gutta-percha (fr)
- Eucommia (en)
- Du Zhong (cn)
Safety
H319
H315
H335
P280
P260
P305+P351+P338
P337+P313
Warning
-
SGH07
Storage
Store at : <+8°C
Store in dry and dark place.
Store in dry and dark place.
Ambient temperature
5,7-Dihydroxy-4-methylcoumarin analytical standard provided with chromatographic purity, to be used as reference material for qualitative determination.