Valsartan
1) CSA NO.:137862-53-4
2) Molecular formula: C24H29N5O3
3) Molecular weight: 435.5188
4) Assay: 98.0% ~ 102.0%

Valsartan

Appearance: White or off white powder

Solubility: very soluble in methanol and ethanol, sparingly soluble in

 chloroform, practically insoluble in water.

Identification:

  IR: similar to standard

  HPLC: similar to standard

Absorbance: ≤0.02 at 420nm(1/20 in methanol)

Water: ≤2.00%

Residue on Ignition: ≤0.1%

Heavy metals: ≤0.01%

Related compounds:

  Related compound A: ≤1.0%

  Related compound B: ≤0.2%

  Related compound C: ≤0.1%

Any other individual: ≤0.1%

Total impurities: ≤0.3%

Assay(HPLC): 98.0%-102.0%, calculated on the anhydrous basis

Residual solvents by GC: 

Hexanes: ≤290ppm

Ethylacetate: ≤5000ppm

Methylenechloride: ≤600ppm

Xylene(mixture): ≤2170ppm

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