Superiority:
2H-1-BENZOPYRAN-2-ONE, 4-HYDROXY-7-METHOXY-; 4-HYDROXY-7-METHOXYCOUMARIN; 7-METHOXY-4-HYDROXYCOUMARIN; AURORA KA-3735; 4-HYDROXY-7-METHOXYCOUMARIN 97%; 4-Hydroxy-7-methoxycoumarin, 95%; 4-Hydroxy-7-methoxy-2H-chromen-2-one; 4-Hydroxy-7-methoxy-2H-chromen-2-one, 4-Hydroxy-7-methoxy -2-oxo-2H-chromene
CAS No.: 17575-15-4
Molecular formula: C10H8O4
Molecular weight: 192.17
4-hydroxy-7-methoxycoumarin
Melting point 263-265 °C
Boiling point 248.14°C (rough estimate)
Density 1.0825 (rough estimate)
Refractive index 1.4440 (estimate)
Storage conditions -20°C Freezer
Form Powder
Color Beige to pink
Maximum wavelength (λmax) 308nm (EtOH) (lit.)
Details:
1.Supply sample
2.The packing also can be according the customers` requirment
3.Any inquiries will be replied within 24 hours
4.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.
5.Prompt delivery. We have good cooperation with many professional forwarders, We can send the products to you once you confirm the order.
6. Better payment terms. For the fist cooperation we can accept T/T and L/C at sight . For our regular customer ,we can also supply more payment terms.
Packing: 10KG/drum or 25KG/drum
Delivery: by sea, air or express
Shelf life: one year after the date of packaging, provided that it is kept in original unopened
