
L-(+)-Amethopterin hydrate (Methotrexate)
CAS: 59-05-2
Molecular Formula: C20H22N8O5
Molecular Weight: 454.44
Product Detail
Product Code | 30186373 | ||||
Product Name | L-(+)-Amethopterin hydrate (Methotrexate) | ||||
Categories | Bioactive Small Molecules Research Organics & Inorganics | ||||
CAS | 59-05-2 | ||||
Molecular Formula | C20H22N8O5 | ||||
Molecular Weight | 454.44 | ||||
Storage Details | -15 to -20 °C | ||||
Harmonised Tariff Code | 2933599590 |
Product Specification
Grade | Ph. Eur. 8.3 | ||||
Water | <13% | ||||
Impurity B | NMT 0.3% | ||||
Heavy metals | NMT 20ppm | ||||
Bacterial endotoxin | NMT 0.1 EU/mg | ||||
Acetone | NMT 1000 ppm | ||||
Impurity C | NMT 0.5% | ||||
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 | ||||
Assay | 98 – 102% | ||||
Sulphated Ash | NMT 0.1% | ||||
Ethanol | NMT 2000 ppm | ||||
Appearance | Yellow or orange crystalline, hygroscopic powder | ||||
Enantiomeric Purity | NMT3.0% | ||||
Identification (IR) | The IR spectrum of sample exhibits maxima only at the same wavelength as that a similar preparation of methotrexate CRS | ||||
Impurity E | NMT 0.3% | ||||
Impurity H | NMT 0.2% | ||||
Impurity I | NMT 0.2% | ||||
Ethyl Ether | NMT 500 ppm |
Safety Information
Pictograms |
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Signal word | Danger | ||||
Hazard statements | H301: Toxic if swallowed
H315: Causes skin irritation H319: Causes serious eye irritation H360: May damage fertility or the unborn child |
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Precautionary statements | P201: Obtain special instructions before use
P280: Wear protective gloves/protective clothing/eye protection/face protection P301+310: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician P305+351+338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do, continue rinsing P308+313: IF exposed or concerned: Get medical advice/attention |