L-(+)-Amethopterin hydrate (Methotrexate) [59-05-2]
Order number: 30186373
Part number: AC100071841
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L-(+)-Amethopterin Hydrate (Methotrexate) [59-05-2] is widely used in synthesis and formulation workflows, featuring a molecular formula of C20H22N8O5 and a molecular weight of 454.44. This yellow or orange crystalline, hygroscopic powder has a Melting Point of ≤ 0.3%, identified through various analytical techniques. Handling this compound requires safety precautions, including the use of safety goggles and gloves, due to its hazardous nature, as denoted by the Danger signal word. This specific product offers a purity of 98 - 102%, making it suitable for research purposes. It is practically insoluble in water but dissolves in dilute mineral acids and alkali hydroxides and carbonates. Additional product-specific specifications available for this SKU include a maximum water content of 13.0%, a maximum heavy metal content of 20ppm, and a maximum enantiomeric impurity of 3.0%.
- CAS Number: 59-05-2
- Molecular Formula: C20H22N8O5
- Exact Mass: 454.17131583
- Melting Point: ≤ 0.3%
- GHS Signal Word: Danger
- Enantiomeric Purity: ≤ 3.0%
- Molecular Weight: 454.44
- Hazard Statements:
- H301: Toxic if swallowed [Danger Acute toxicity, oral]
| Name | Value | |
|---|---|---|
| CAS | : | 59-05-2 |
| Assay | : | 98 - 102% |
| Water | : | ≤ 13.0% |
| Acetone | : | ≤ 1000 ppm |
| Ethanol | : | ≤ 2000 ppm |
| Appearance | : | Yellow or orange crystalline, hygroscopic powder |
| Categories | : | Bioactive Small Molecules Research Organics & Inorganics |
| Impurity B | : | ≤ 0.3% |
| Impurity C | : | ≤ 0.5% |
| Impurity E | : | ≤ 0.3% |
| Impurity H | : | ≤ 0.2% |
| Impurity I | : | ≤ 0.2% |
| Solubility | : | Practically insolubile in water, in ethanol (96%) and in methylene chloride. It dissolves in dilute mineral acids and in dilute solutions od alkali hydroxides and carbonates |
| Ethyl Ether | : | ≤ 500 ppm |
| Heavy metals | : | ≤ 20ppm |
| Product Code | : | 30186373 |
| Product Name | : | L-(+)-Amethopterin hydrate (Methotrexate) |
| Sulphated Ash | : | ≤ 0.1% |
| Storage Details | : | -15 to -20 °C |
| Molecular Weight | : | 454.44 |
| Molecular Formula | : | C20H22N8O5 |
| Bacterial endotoxin | : | ≤ 0.1 EU/mg |
| Enantiomeric Purity | : | ≤ 3.0% |
| Identification (IR) | : | The IR spectrum of sample exhibits maxima only at the same wavelength as that a similar preparation of methotrexate CRS |
| Harmonised Tariff Code | : | 2933599590 |
