YARROW CHEM PRODUCTS

Researching Relationships

Theophylline

1,3-Dimethylxanthine

Purity / Analysis Method >99.0%(T)
Molecular Formula / Molecular Weight C7H8N4O2 = 180.17
Physical State (20 deg.C) Solid
CAS RN 58-55-9
Unit Price
25 g 1500
50 g 1750
100 g 2500
Appearance White to off -white to light yellow crystalline powder
Assay (NaOH titration) min. 99%
Melting Point 270 – 274°C
Loss on drying max. 0.5%
Solubility Soluble in Chloroform, Alcohol; Slightly soluble  in water, Ether; Very slightly soluble  in Alcohol, Chloroform
Note

•Pharmaceutical Ingredients (for Research and Experimental Use) is provided as delivered and specified by the issuing Pharmacopoeia.
•The contents of the specifications are subject to change without advance notice. The specification values displayed here are the most up to
date values. There may be cases where the product labels display different specification; however, the product quality still meets the latest
specification.