Methotrexate CAS No. 59-05-2

Details:

Year Establishment: 2009

Location: 704, Building B1, Zhonghua City, Hongkong Road, Jinghan District, Wuhan City, Hubei Province, China

Major export products: Tacrolimus, UDCA, Fluorometholone, Mifepristone, Finasteride, Fulvestrant

Major application: Pharmaceutical and Chemical raw materials 

Spectinomycin Sulfate Tetrahydrate COA:

Product name: Methotrexate

CAS No.: 59-05-2

Molecular Formula: C20H22N8O5

Molecular Weight: 454.44

Appearance: Orange yellow crystalline powdre

Identification A: IR specturm exhibits maxima only at the same wavelengths as that of a similar preparation of the USP reference standard

Identification B: UV spectrum exhibits maxima and minima only at the same wavelengths as that of a similar preparation of the USP reference standard

Residue on ignition: Not more than 0.1%

Specific rotation: +19° to +24°

Water content: Not more than 12.0%

Assay (calculated on anhydrous basis): 98.0% to 102.0%

Chromatographic Purity: Total not more than 2.0%

                                        Individual not more than 0.5%                                         

Our Factory:

Hanways chempharm is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The marketing department is located in Wuhan. We have two GMP facilities in Hubei Provice and cooperative factories in Zhejiang Province.

The leading products range of the company is antineoplastic, cardiovascular and antibiotics. With our strong technical force, under the sustained effort of the whole staff, we have built high efficient and swift sales system. The company's sales network coever more than twenties counties and areas, also we built good and long relations with many big pharmaceutical company worldwide.

C₂₀H₂₂N₈O₅