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Merck

A6770

Methotrexate hydrate

powder, ≥98% (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:
133073-73-1
Molecular Weight:
454.44 (anhydrous basis)
UNSPSC Code:
12352202
PubChem Substance ID:
57653876
NACRES:
NA.77
MDL number:
MFCD00150847

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Product Name

Methotrexate hydrate, ≥98% (HPLC), powder

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

biological source

synthetic (organic)

assay

≥98% (HPLC)

form

powder

color

, yellow to very dark yellow to very dark orange

mp

185-204  °C

solubility

H2O: insoluble

storage temp.

−20°C

Quality Level

200

Gene Information

human ... DHFR(1719)

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Show Differences

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This Item
M8407M9929D9571
Methotrexate hydrate ≥98% (HPLC), powder

Sigma-Aldrich

A6770

Methotrexate hydrate

Methotrexate hydrate powder, BioReagent, suitable for cell culture, ≥98% (HPLC)

Sigma-Aldrich

M8407

Methotrexate hydrate

Methotrexate meets USP testing specifications

Sigma-Aldrich

M9929

Methotrexate

Dolasetron mesylate hydrate ≥98% (HPLC), powder

Sigma-Aldrich

D9571

Dolasetron mesylate hydrate

biological source

synthetic (organic)

biological source

-

biological source

synthetic

biological source

-

assay

≥98% (HPLC)

assay

≥98% (HPLC)

assay

98.0-102.0%

assay

≥98% (HPLC)

Gene Information

human ... DHFR(1719)

Gene Information

human ... DHFR(1719)

Gene Information

human ... DHFR(1719), DHFRP1(573971), FPGS(2356), SLC19A1(6573), TYMS(7298)
mouse ... Dhfr(13361)
rat ... Dhfr(24312)

Gene Information

-

Quality Level

200

Quality Level

200

Quality Level

400

Quality Level

100

form

powder

form

powder

form

powder

form

powder

solubility

H2O: insoluble

solubility

H2O: insoluble

solubility

water: insoluble

solubility

H2O: >30 mg/mL

Application

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.

related product

Product No.
Description
Pricing

pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Eye Irrit. 2 - Repr. 1B - Skin Irrit. 2

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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Certificates of Analysis (COA)

Lot/Batch Number
BCCN9510
BCCN1220
BCCM4155
BCCM3817
BCCK3480

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Bokyeong Ryu et al.
Frontiers in veterinary science, 8, 587659-587659 (2021-10-05)
The gastrointestinal tract is the most common exposure route of xenobiotics, and intestinal toxicity can result in systemic toxicity in most cases. It is important to develop intestinal toxicity assays mimicking the human system; thus, stem cells are rapidly being
Josef Singer et al.
Molecular cancer therapeutics, 13(7), 1777-1790 (2014-04-24)
Passive immunotherapy with monoclonal antibodies represents a cornerstone of human anticancer therapies, but has not been established in veterinary medicine yet. As the tumor-associated antigen EGFR (ErbB-1) is highly conserved between humans and dogs, and considering the effectiveness of the
Methotrexate: new uses for an old drug.
Philip J Hashkes et al.
The Journal of pediatrics, 164(2), 231-236 (2013-11-30)
Irina Kalashnikova et al.
Theranostics, 10(26), 11863-11880 (2020-11-19)
Rheumatoid arthritis (RA) is an autoimmune disease that affects 1-2% of the human population worldwide, and effective therapies with targeted delivery for local immune suppression have not been described. We address this problem by developing a novel theranostic nanoparticle for
Behnoush Hajian et al.
Cell chemical biology, 26(6), 781-791 (2019-04-02)
The folate biosynthetic pathway offers many druggable targets that have yet to be exploited in tuberculosis therapy. Herein, we have identified a series of small molecules that interrupt Mycobacterium tuberculosis (Mtb) folate metabolism by dual targeting of dihydrofolate reductase (DHFR), a
View All Related Papers

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