Antineoplastic Methotrexate CAS No 59-05-2

• Function: Antineoplastic
• Grade Standard: Medicine Grade
• Type: Chemical Reagent
• State: Powder
• Volatile: Not Volatile
• Shelf Life: 3 Years
• Model NO.: SAMREAL-0340
• Transport Package: Bag
• Specification: According to customers′ requirements
• Trademark: samreal
• Origin: China

Product Description

Methotrexate

Items	Standard	Results
Description	Yellow or orange cryptocrystalline powder. Hygroscopic.	Conforms
Identification	A. 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
Water	Not more than12.0%	10.1%
Residue on ignition	Not more than 0.1%	0.02%
Chromatographic purity	Total: Not more than 2.0%	0.7%
	Individual: Not more than 0.5%	0.32%
Specific rotation	Between +19°to +24°	+19.7°
Residual solvents	Ethanol : not more than 2000ppm Acetone : not more than 1000ppm Ether: not more than 500 ppm	100ppm 80ppm 0ppm
Heavy metals	Not more than 20 ppm	Conforms
Microbiological purity: - Total count of aerobes in 1 gr               - Total count of fungus in 1 gr                 - Escherichia coli in 1 gr	10^3 CFU 10^2 CFU Absence	Conforms Conforms Conforms
Storage conditions	In the protected from light and moisture place, under temperature not higher than 25 ^oC	Conforms
Assay	Between 98.0% to 102.0%	99.3%

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NINGBO SAMREAL CHEMICAL CO.,LTD.authorized by China Foreign Trade & Economic Bureau, is a comprehensive chemical enterprise intergrating technological development,production, sales and service into a whole. We have close cooperating relationship with many stable good manufacturers, which gives us the advantage to provide our customers with qualified products and good services.
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