Pemetrexed Sodium(2.5 H20)

Characters:Light yellow to off white powder

Single impurity:≤0.5%

Total impurity:≤1.0%

Water:≤10%

Heavy metal:≤20ppm

Specific rotation:  +9° - +11°

Melting point:: ≥300℃

Assay(on dry base): ≥99.0%

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