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CAS RN: 66-97-7 | Product Number: P2077


Purity: >99.0%(GC)
  • 7H-Furo[3,2-g]benzopyran-7-one
  • Furo[3,2-g]coumarin
1   1   1  
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Product Number P2077
Purity / Analysis Method >99.0%(GC)
Molecular Formula / Molecular Weight C__1__1H__6O__3 = 186.17  
Physical State (20 deg.C) Solid
Storage Temperature 0-10°C
Condition to Avoid Heat Sensitive
CAS RN 66-97-7
Reaxys Registry Number 152784
PubChem Substance ID 253660153
Merck Index (14) 7928
MDL Number


Appearance White to Orange to Green powder to crystal
Purity(GC) min. 99.0 %
Melting point 162.0 to 166.0 °C
Properties (reference)
Melting Point 163 °C
Maximum Absorption Wavelength 328(EtOH) nm
Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
Related Laws:
RTECS# LV0944000
Transport Information:
Customs Control Conditions (Q)
Psoralen: A Photosensitizing Agents Found in Plants

Psoralen is a photosensitizing agents found in plants. In the skin, psoralen absorbs ultraviolet (long wave - UVA) light and acts like ultraviolet radiation. Psoralen acts as a DNA-crosslinking agent in the presence of UV and shows phototoxic property. On the other hand, psoralen is widely used in PUVA (psoralen + UVA) treatment for dermatological diseases, such as psoriasis, eczema, vitiligo, and cutaneous T-cell lymphoma. (The product is for research purpose only.)


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