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Pyrimidines, Pyrazines & Pyridazines

Methotrexate, 98%

Available on request

Order Methotrexate, 98% (CAS 59-05-2) online at Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-011038.

Pack sizes
Methotrexate, 98% chemical structure
CAS number59-05-2
FormulaC20H22N8O5
Molar mass454.4 g/mol
Physical formPowder
HS code29420090
Purity98%
InChIKeyFBOZXECLQNJBKD-ZDUSSCGKSA-N
IUPAC name(2S)-2-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoyl]amino]pentanedioic acid

About Methotrexate, 98%

Researchers and plant chemists source Methotrexate, 98% from Zemixal for routine and specialised work. Identity at a glance (98%): CAS 59-05-2, formula C20H22N8O5 and molar mass 454.4 g/mol. Expect light yellow to brown powder.

Common uses in the lab and plant

  • Organic synthesis
  • API synthesis

Handling and storage

Store at 2–8 °C. Hazard communication follows GHS (Danger: H301, H315, H319 and H340). Our SDS lists exposure controls and first-aid measures.

Available as 100 mg, 1 g and 5 g. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Organic synthesis
  • API synthesis

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Methotrexate, 98%
Product nameMethotrexate, 98%
Catalogue numberZX-011038
CAS number59-05-2
IUPAC name(2S)-2-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoyl]amino]pentanedioic acid
Molecular formulaC20H22N8O5
Molar mass454.4 g/mol
Exact mass454.1713
Purity / assay98%
Physical formPowder
AppearanceLight yellow to brown powder
XLogP3-1.8
H-bond donors / acceptors5 / 12
Topological polar surface area211 Ų
Storage2–8 °C
HS code29420090
InChIKeyFBOZXECLQNJBKD-ZDUSSCGKSA-N
SMILESCN(CC1=CN=C2C(=N1)C(=NC(=N2)N)N)C3=CC=C(C=C3)C(=O)N[C@@H](CCC(=O)O)C(=O)O
PubChem CID126941
Synonyms(+)-Amethopterin hydrate, Amethopterin, Ledertrexate, Emtexate, L-Amethopterin, Amethopterine, Medsatrexate, Methoblastin, Methotextrate, Brimexate, Emthexate, Texate

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • H301Toxic if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H340May cause genetic defects
  • H360May damage fertility or the unborn child

Precautionary statements P203, P264, P264 + P265, P270, P280, P301 + P316, P302 + P352, P305 + P351 + P338, P318, P321, P330, P332 + P317, P337 + P317, P362 + P364, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Methotrexate, 98%
100 mgQuoted on request
1 gQuoted on request
5 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Methotrexate, 98%

Which CAS number identifies Methotrexate, 98%?
Methotrexate, 98% is registered under CAS 59-05-2. You may also see it listed as (+)-Amethopterin hydrate, Amethopterin, Ledertrexate. Our catalogue number for this item is ZX-011038.
What are the formula and molar mass of Methotrexate, 98%?
For Methotrexate, 98%, its formula is C20H22N8O5 and its molar mass is 454.4 g/mol. The systematic (IUPAC) name is (2S)-2-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoyl]amino]pentanedioic acid. InChIKey FBOZXECLQNJBKD-ZDUSSCGKSA-N lets you match it in any structure database.
What grade and pack sizes are available for Methotrexate, 98%?
This listing is 98% purity. Standard packs are 100 mg, 1 g, 5 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Methotrexate, 98%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Methotrexate, 98% to my country?
Yes. Because Methotrexate, 98% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
How do I store Methotrexate, 98%?
2–8 °C. Keep the container closed and follow the handling advice in the SDS.

Other grades with CAS 59-05-2

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