2020 wholesale price Ruxolitinib Phosphate - High Purity USP BP EP 59-05-2 Methotrexate for Tumour Treatment – Yibai
2020 wholesale price Ruxolitinib Phosphate - 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 are convinced that with joint endeavours, the small business between us will bring us mutual benefits. We could assure you products quality and competitive selling price for 2020 wholesale price Ruxolitinib Phosphate - High Purity USP BP EP 59-05-2 Methotrexate for Tumour Treatment – Yibai , The product will supply to all over the world, such as: Naples, Sao Paulo, Washington, We firmly think that we have the full capability to present you contented merchandise. Wish to collect concerns within you and build a new long-term synergy romantic relationship. We all significantly promise:Csame excellent, better selling price; exact selling price, better quality.
By Antonio from Amsterdam - 2017.02.14 13:19
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 Alva from Israel - 2018.09.29 17:23
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