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Merck 1039840005 叶酸,生物化学适用 (C₁₉H₁₉N₇O₆, 玻璃瓶 5g)

  • 制造商:Merck
    Model: 1039840005
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  • Price (exclude VAT)1,677,850 VND
    Price (include VAT)1,845,635 VND
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CAS number: 59-30-3

EC number: 200-419-0

Hill Formula: C₁₉H₁₉N₇O₆

Molar Mass: 441.4 g/mol

Assay (HPLC, calc.on anhydrous substance): 97.0 - 102.0 %

Identity (HPLC): conforms

Identity (IR-spectrum): conforms

Absorption ratio (A₂₅₆/A₃₆₅): 2.80 - 3.00

Spec. rotation (α 20/D; 10 g/l; NaOH 0,1 mol/l; calc. on anhydrous subst.): +18 - +22 °

Related substances (HPLC, Ph Eur) (Impurity A): ≤ 0.5 %

Related substances (HPLC, Ph Eur) (Impurity D): ≤ 0.6 %

Related compounds (HPLC) (Total unspecified impurities) ≤ 1.0 %

Water (according to Karl Fischer): 5.0 - 8.5 %

Details

Datasheet:


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