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Warfarin Sodium BP

Warfarin Sodium BP

 4-Hydroxy-3-[3-oxo-I-(R,S)-Phenylbutyl]-2H-benzopyran-2-one, sodium salt
Mol. Wt.: 330.32
CAS 129-06-6
White to off-white crystalline,
odorless hygroscopic powder

Medical Use/Therapeutic Category
As anticoagulant, may prevent blood
clotting and strokes

- Very soluble in water
- Soluble in methanol, ethanol, acetone
- Slightly soluble in ether and methylene chloride

7.6-8.6 (1% solution)

98.0 – 102.0% of warfarin sodium (on the anhydrous basis)

Related Compounds
Individual known:  Not more than 0.3%
Individual unknown:  Not more than 0.1%
Total:  Not more than 1.0%

2- Propanol Content
Not more than 0.5%

Other Tests
Color test (absorbance in alkaline solution):  Absorbance does not exceed
0.20 AU
Melting range:  Above 300C with decomposition
Water content (KF titration):  Not more than 4.0%

Should be kept in a well-closed container, protected from light

Specifications and Analytical Methods – available upon request

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