Chinese Professional Crizotinib - High Purity USP BP EP 59-05-2 Methotrexate for Tumour Treatment – Yibai
Chinese Professional Crizotinib - High Purity USP BP EP 59-05-2 Methotrexate for Tumour Treatment – Yibai Detail:
| Product name | Methotrexate |
| Synonyms | (+)-Amethopterin; (+)-4-Amino-10-methylfolic acid; N-(p-(((2,4-Diamino-6-pteridinyl)methyl)methylamino)benzoyl)-L-glutamic acid |
| CAS No. | 59-05-2 |
| Appearance | Yellow crystalline powder |
| Molecular Formula | C20H22N8O5 |
| Molecular Weight | 454.44 |
| Application | Medicine grade or research purpose |
| Packing | As per your request |
| Storage | Preserve in tight,light-resistant containers in a cool place |
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Certificate of Analysis Test according to: EP9.0 Methotrexate CAS No.: 59-05-2 |
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ITEMS |
STANDARDS |
RESULTS |
| Appearance | Yellow or orange, crystalline, hygroscopic powder | Complies |
| Identification | IR;UV | Complies |
| Solubility | Practically insoluble in water, in ethanol(96%) and in methylene chloride. It dissolves in dilute mineral acids and in dilute solutions of alkali hydroxides and carbonates. | Complies |
| Water | ≤13% | 11.8% |
| Related Substances | Impurity B≤0.3%Impurity C≤0.5%Impurity E≤0.3%Impurity H≤0.2%Impurity I≤0.2%Unspecified Impurities≤0.05%
Sum of impurities other than B,C&E≤0.5% |
0.04%0.45%0.03%NDND0.02%
0.04% |
| Enantiomeric Purity | ≤3.0% | 1.6% |
| Heavy Metals | ≤20ppm | Complies |
| Sulphated Ash | ≤0.1% | 0.07% |
| Residual Solvents | Ethyl ether≤500ppmAcetone≤1000ppmEthanol≤ 2000ppm | 20ppm63ppm48ppm |
| Assay | 97.0～102.0% | 99.49% |
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Certificate of Analysis Test according to: USP32 Methotrexate CAS No.: 59-05-2 |
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ITEMS |
STANDARDS |
RESULTS |
| CHARACTERISTICS | Yellow crystalline powder | Complies |
| IDENTIFICATION | IR. UV Conform | Complies |
| WATER | ≤12% | 10.8% |
| RESIDUE ON IGNITION | ≤0.1% | 0.07% |
| Chromatographic purity | Single impurity：≤0.5% | 0.27% |
| Total Impurities：≤2.0 % | 0.73% | |
| SPECIFIC ROTATION | Between +19°to +24° | +21.25° |
| ASSAY | 98.0～102.0% | 99.27% |
Company Information
√ Management layer’s full experience in factory and skilled technicians followers; √ Quality is always our top consideration, Strict QC system; √ 11 years experienced exporting sales team; √ Independent R&D lab; √ Two signed long term GMP workshops; √ Rich resources of plenty idle factories for customized project; √ High Efficiency working team with consistent path.
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We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of Chinese Professional Crizotinib - High Purity USP BP EP 59-05-2 Methotrexate for Tumour Treatment – Yibai , The product will supply to all over the world, such as: Sao Paulo, London, Albania, We have established long-term, stable and good business relationships with many manufacturers and wholesalers around the world. Currently, we are looking forward to even greater cooperation with overseas customers based on mutual benefits. Please feel free to contact us for more details.
By Edith from Mombasa - 2017.03.08 14:45
The quality of the products is very good, especially in the details, can be seen that the company work actively to satisfy customer's interest, a nice supplier.
By Doris from Puerto Rico - 2017.03.28 16:34
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