Tech Serve Solutions

L-Amethopterin hydrate

CAS 133073-73-1C20H22N8O5 · xH2OChemical Synthesis

L-Amethopterin hydrate (CAS 133073-73-1), molecular formula C20H22N8O5 · xH2O, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.

IUPAC
4-Amino-10-methylfolic acid hydrate,L-4-Amino-N10-methylpteroylglutamic acid hydrate,L-Amethopterin hydrate,Antifolan hydrate,MTX hydrate,Methotrexate hydrate,Methylaminopterin hydrate
L-Amethopterin hydrate
A-AMAsymmetric SynthesisBioactive Small MoleculesCell BiologyChemical SynthesisChiral Building BlocksComplex Molecules More...
01 /Properties
Molecular weight454.44 (anhydrous basis)
Empirical formulaC20H22N8O5 · xH2O
Assay98%
SolubilityH2O: insoluble
Optical activity[α]25/D +17°, c = 1 in 0.05 M Na2CO3
Storage temperature−20°C
ApplicationPotent inhibitor of dihydrofolate reductase1 and agent for antitumor studies.2,3 Use to inhibit dihydrofolate reductase in DHFR-based protein expression systems. Also effective in treatment of pyrimethamine-resistant Plasmodium vivax malaria parasites.
Suitabilitymeets USP testing specifications
02 /Safety & handling
Toxic
Toxic
Health hazard
Health hazard
Danger

Hazard statements

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

Precautionary statements

  • P201Obtain special instructions before use
  • P301IF SWALLOWED
  • P305IF IN EYES
  • P308IF exposed or concerned
Protective equipmentEyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
Transport (UN / ADR)UN 1544 6.1/PG 3
Water hazard class (WGK, DE)3
Hazard codes (EU)T
Risk statements (R)61-25-36/38
Safety statements (S)53-26-36/37-45

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

03 /Identifiers & registry
CAS number
133073-73-1
MDL number
MFCD00150847
PubChem substance
24853414
04 /Additional specifications
Gene Informationhuman ... DHFRP1(573971), FPGS(2356), SLC19A1(6573), TYMS(7298)mouse ... Dhfr(13361)rat ... Dhfr(24312)
05 /Quality & supply

Documentation

Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is L-Amethopterin hydrate?

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L-Amethopterin hydrate (CAS 133073-73-1), molecular formula C20H22N8O5 · xH2O, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

What grades of L-Amethopterin hydrate does Tech Serve Solutions supply?

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Tech Serve Solutions supplies L-Amethopterin hydrate in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.

What is the CAS number and molecular formula of L-Amethopterin hydrate?

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L-Amethopterin hydrate has CAS number 133073-73-1 and molecular formula C20H22N8O5 · xH2O. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for L-Amethopterin hydrate?

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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.

Do you provide a Certificate of Analysis (CoA) with each shipment?

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Yes. Every batch of L-Amethopterin hydrate ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.

How should L-Amethopterin hydrate be stored?

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Store L-Amethopterin hydrate in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.

What is L-Amethopterin hydrate used for?

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L-Amethopterin hydrate is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.

How do I request a quote for L-Amethopterin hydrate?

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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.

Need L-Amethopterin hydrate in a specific grade or volume?

Request a quote