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Merck
CN

06563

Methotrexate hydrate

≥99.0% (sum of enantiomers, HPLC)

Synonym(s):

4-Amino-10-methylfolic acid hydrate, L-4-Amino-N10-methylpteroylglutamic acid hydrate, L-Amethopterin hydrate, Antifolan hydrate, MTX hydrate, Methylaminopterin hydrate

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About This Item

Empirical Formula (Hill Notation):
C20H22N8O5 · xH2O
CAS Number:
Molecular Weight:
454.44 (anhydrous basis)
PubChem Substance ID:
UNSPSC Code:
12352202
NACRES:
NA.77
EC Number:
200-413-8
MDL number:
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biological source

synthetic

Quality Level

assay

≥99.0% (sum of enantiomers, HPLC)

form

powder or crystals

optical activity

[α]/D +21.0±2.0°

impurities

≤0.1% sulfated ash

mp

185-204 °C

solubility

water: insoluble

storage temp.

−20°C

SMILES string

[H]O[H].CN(Cc1cnc2nc(N)nc(N)c2n1)c3ccc(cc3)C(=O)N[C@@H](CCC(O)=O)C(O)=O

InChI

1S/C20H22N8O5.H2O/c1-28(9-11-8-23-17-15(24-11)16(21)26-20(22)27-17)12-4-2-10(3-5-12)18(31)25-13(19(32)33)6-7-14(29)30;/h2-5,8,13H,6-7,9H2,1H3,(H,25,31)(H,29,30)(H,32,33)(H4,21,22,23,26,27);1H2/t13-;/m0./s1

InChI key

FPJYMUQSRFJSEW-ZOWNYOTGSA-N

Gene Information

human ... DHFR(1719)

General description

Methotrexateis an analog of folate. It shows anti-inflammatory effects throughseveral cellular mechanisms. The inhibition of dihydrofolate reductase reducesthe de novo synthesis of pyrimidines and purines, transmetylation ofphospholipids and proteins, and formation of polyamines.

Application

Methotrexatehydrate has been used as a disease modifyinganti-rheumatic drug (DMARD) to study its effects on Ross River virus disease (RRVD) in mice models.
Potent inhibitor of dihydrofolate reductase and agent for antitumor studies. Use to inhibit dihydrofolate reductase in DHFR-based protein expression systems.
Potent inhibitor of dihydrofolate reductase and agent for antitumor studies. Use to inhibit dihydrofolate reductase in DHFR-based protein expression systems. Also effective in treatment of pyrimethamine-resistant Plasmodium vivax malaria parasites.
Potent inhibitor of dihydrofolate reductase and agent for antitumor studies. Use to inhibit dihydrofolate reductase in DHFR-based protein expression systems. Also shows immunosuppressive effects in, e.g., rheumatoid arthritis.

Other Notes

Folic acid antagonist. Potent inhibitor of dihydrofolate reductase.


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pictograms

Skull and crossbonesHealth hazard

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Muta. 2 - Repr. 1B - STOT RE 1

target_organs

Liver,Bone marrow

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges



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Related Content


D A Matthews et al.
Science (New York, N.Y.), 197(4302), 452-455 (1977-07-29)
A central eight-stranded beta-pleated sheet is the main feature of the polypeptide backbone folding in dihydrofolate reductase. The innermost four strands and two bridging helices are geometrically similar to but are connected in a different way from those in the
Methotrexate: new uses for an old drug.
Philip J Hashkes et al.
The Journal of pediatrics, 164(2), 231-236 (2013-11-30)
Ian Joseph Cohen et al.
Pediatric blood & cancer, 61(1), 7-10 (2013-09-17)
To determine the optimal time of folinic acid rescue after methotrexate (MTX) treatment in patients with ALL, we selected and evaluated relevant studies that included doses, rescue delay, and side effects. Rescue at 42-48 hours resulted in considerable toxicity, except



Global Trade Item Number

SKUGTIN
821189010004022536475646
821189100004022536475653
T81108-25G04061832886442
T81108-2KG04061837378898
T81108-500G04061837378904
821189902504027269017323
06563-5MG04061838646392
06563-100MG04061838646378
06563-25MG04061838646385