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59-05-2 Methotrexate Antineoplastic Drug/ Methylaminopterin/ Methylaminopterine/ Antifolan
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59-05-2 Methotrexate Antineoplastic Drug/ Methylaminopterin/ Methylaminopterine/ Antifolan

59-05-2 Methotrexate Antineoplastic Drug/ Methylaminopterin/ Methylaminopterine/ Antifolan fast and safe shipping
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  • Methotrexate
  • shanxi naipu
Product Description
DescriptionYellow or orange cryptocrystalline powder. Hygroscopic.Conforms
IdentificationA. IR-spectrum
B. UV-spectrum should have 3 maximums by wavelengths 258 nm, 302 nm and 371 nm.Relation
of optical density by 302 nm and 371 nm from 2,8 till 3,3
Conforms
WaterNot more than12.0%10.1%
Residue on ignitionNot more than 0.1%0.02%
Chromatographic purityTotal: Not more than 2.0%0.7%

Individual: Not more than 0.5%0.32%
Specific rotationBetween +19°to +24°+19.7°
Residual solventsEthanol : not more than 2000ppm
Acetone : not more than 1000ppm
Ether: not more than 500 ppm
100ppm
80ppm
0ppm
Heavy metalsNot more than 20 ppmConforms
Microbiological purity:
- Total count of aerobes in 1 gr              
- Total count of fungus in 1 gr                
- Escherichia coli in 1 gr

103 CFU
102 CFU
Absence

Conforms
Conforms
Conforms
Storage conditionsIn the protected from light and moisture place, under temperature not higher than 25 oCConforms
AssayBetween 98.0% to 102.0% 99.3%


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