High Quality Methotrexate with Good Price
(CAS 59-05-2)
Quick Details:
Methotrexate | CAS : 59-05-2 | Brand: NEWBIO |
MW: C20H22N8O5 | MSDS: Avaiable |
MF : 454.44 | Sample: Avaiable |
Category: Oncology drug | Min order: 10grams |
Quality standard: USP EP | Place of Origin:China |
Introduction | used as anti-tumour medicament. |
Character | Orange-yellow ,crystalline powder |
Applications | Pharmaceutical raw materials , Oncology drug |
Product Description:
Methotrexate is a cell cycle arresting agent with varying effects. Methotrexate arrests the cell cycle in late G1/S-phase, therefore inhibiting the synthesis of DNA, RNA, thymidylates, and proteins. In the previous cases the inhibition of enzymes involved in purine metabolism, leading to accumulation of adenosine, or the suppression of intercellular adhesion molecule expression by T cells as the main mechanism of action by methotrexate. The compound has been observed to irreversibly inhibit dihydrofolate reductase (DHFR) and thymidylate synthetase (TS). Methotrexate has been shown to modulate inflammation by promoting adenosine release or inhibiting transmethylation reactions. In adherent splenic cells, IL-1 production was decreased by methorexate.
COA: Text | USP27 | EP4 | BP2002 |
Assay% | 98.0-102.0 | 98.0-102.0 | 98.0-102.0 |
Residue on ignition% | â¤0.1 | | |
Specific roataion | +19-+24 | +19-+24 | |
Loss on drying% | | | |
Chromatographic purity% | â¤2.0(total) | | |
| â¤0.5(individual) | | |
Water% | â¤12.0 | â¤13.0 | â¤12.0 |
Organic Volatile impurites | conforms |
Sulphated ash% | | â¤0.1 | â¤0.1 |
Heavy metals ppm | | 50 | 1 |
Related substance | | | |
Total | | â¤1.3 | â¤1.3% |
Individual | | At most five peaks | At most five peaks |
Impurity A% | | â¤0.5 | â¤0.5 |
Impurity B% | | â¤0.5 | â¤0.5 |
Impurity C% | | â¤0.5 | â¤0.5 |
Impurity D% | | â¤0.5 | â¤0.5 |
Impurity E% | | â¤0.5 | â¤0.5 |
Unknown Impurity % | | â¤0.5 | â¤0.5 |
(R)-Methotrexate% | | â¤3.0 | â¤3.0 |
FEATURED PRODUCT:
Wuhan Newbio Pharm-tech Co., Ltd. |
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ABOUT DELIVERY:
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#2 All product listed is available in stock, please contact the sale for more details.
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