Ampicillin Sodium

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  Specifications
  Character	Slight yellow crystalline powder
  Solubility	Soluble in DMSO, slightly soluble in alcohol and methanol
  Assay (HPLC)	≥98%
  Loss on drying	<0.2%

  CAS 207291-81-4

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  G-418 Solution

  $51.98 – $259.88

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  Specifications
  Solubility	Freely soluble in water
  Specific Optical Rotation	104 ~ 121
  Water	<6%
  Absorbance 570 nm	<0.10
  Absorbance 280 nm	<0.015
  NH4	< 1.0%
  pH	5.5 ± 0.5
  Thin Layer Chromatogram	One Spot
  Potency	>720 µ/mg
  Water Purity Used
  Resistivity at 25°C.	18.2 M
  Bacterial endotoxin	<0.001 EU/ml
  TOC	1-3 ppb
  Bacteria	< 0.1 CFU/ml
  Bacterial endotoxin	< 0.001/ml
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  Hydroxyurea

  $142.07 – $1,115.73

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  Specifications
  Appearance	White Crystalline Powder
  Content by HPLC	>97.5
  Water	>0.5%
  Related substances	>0.2%
  Residue on ignition	>0.1%
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  Hygromycin B (powder)

  $50.07 – $371.45

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  Specifications
  Appearance	White Crystalline Powder
  Identification (FTIR)	Positive
  Solubility (100 mg/L)	Clear and colourless solution
  Purity (HPLC)	>92%
  Potency	>1000 µg/mg
  Heavy metals	<20 ppm
  Specific rotation	22.1
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