Sildenafil CAS NO:139755-83-2 Molecular Formula:C22H30N6O4S Molecular Weight:474.58 Density:1.39g/cm3 Melting Point:187-189°C Boiling Point:672.4°Cat760mmHg Flash Point:360.5°C Solubility:Slightly soluble in water, methanol; very slightly soluble in ethanol, chloroform Appearance:White c

Synonyms RARECHEM BK HW 0149; 2-PROPENOIC ACID, 3-(3-CYANOPHENYL)-; AKOS BAR-2476 Molecular Formula C10H7NO2 Molecular Weight 173.17 CAS Registry Number 16642-93-6 Purity: 99% Packing: 25kg (brown paper bag) Uses: This product is an organic synthesis intermediate.

Usnic acid 1.Description Appearance: Yellow Crystalline Fine Powder CAS NO.: 7562-61-0 Molecular Formula: C18H16O7 Molecular Weight: 344.31 Specification: 98% by HPLC 2.Brief Introduction: Usnic acid is extracted from Usnea, It is a kind of organic acid.In natural remedies, especially in

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