text.skipToContent text.skipToNavigation

Maximum quantity allowed is 999

Please select the quantity

CAS RN: 555-55-5 | Product Number: H1661


Purity: >98.0%(HPLC)
  • (E)-6-(3,4-Dihydroxystyryl)-4-hydroxy-2H-pyran-2-one
1   Contact Us 11  
1   2   ≥20 

* Items in stock locally ship in 1-2 business days. Items from Japan stock are able to ship from a US warehouse within 2 weeks. Please contact TCI for lead times on items not in stock. Excludes regulated items and items that ship on ice.
* To send your quote request for bulk quantities, please click on the "Request Quote" button. Please note that we cannot offer bulk quantities for some products.
*TCI frequently reviews storage conditions to optimize them. Please note that the latest information on the storage temperature for the products is described on our website.

Product Number H1661
Purity / Analysis Method >98.0%(HPLC)
Molecular Formula / Molecular Weight C__1__3H__1__0O__5 = 246.22  
Physical State (20 deg.C) Solid
Storage Temperature -20°C
Condition to Avoid Light Sensitive,Heat Sensitive
CAS RN 555-55-5
Reaxys Registry Number 1288087
PubChem Substance ID 354335590
MDL Number


Appearance Light yellow to Brown powder to crystal
Purity(HPLC) min. 98.0 area%
Elemental analysis(Carbon) 60.50 to 66.50 %
Properties (reference)
Melting Point 255 °C(dec.)
Maximum Absorption Wavelength 369(MeOH) nm
Related Laws:
Transport Information:
HS Number 2932.20.3000
PubMed Literature


Safety Data Sheet (SDS)
Please select Language.

The requested SDS is not available.

Please Contact Us for more information.

C of A & Other Certificates
Please enter Lot Number Incorrect Lot Number is entered
Analytical Charts
Please enter Lot Number Incorrect Lot Number is entered

The requested Analytical Chart is not available.

Other Documents