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Pemetrexed disodium

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CAS:150399-23-8
Purity:95.00% Package:1kg,10kg,50kg,100kg
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CAS:150399-23-8
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CAS:150399-23-8
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CAS:150399-23-8
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Lastest Price from Pemetrexed disodium manufacturers

  • Pemetrexed disodium
  • US $200.00 / KG
  • 2020-11-16
  • CAS:150399-23-8
  • Min. Order: 1KG
  • Purity: 99%
  • Supply Ability: 999
  • Pemetrexed disodium
  • US $0.00 / g
  • 2020-11-08
  • CAS:150399-23-8
  • Min. Order: 1g
  • Purity: 99%
  • Supply Ability: 500g
  • Pemetrexed disodium
  • US $0.00-0.00 / KG
  • 2020-07-22
  • CAS:150399-23-8
  • Min. Order: 1g
  • Purity: 99.0%
  • Supply Ability: 50kg/month
Pemetrexed disodium Basic information
Description References
Product Name:Pemetrexed disodium
Synonyms:n-[4-[2-(2-amino-4,7-dihydro-4-oxo-1h-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-l-glutamic acid disodium salt;PEMETREXED DISODIUM;PEMETREXED DISODIUM(ALIMTA);PEMETREXED SODIUM;PEMETREXED;PEMETREXED DISODIUM 99%;PEMETREXED DISODIUM 2.5H2O;PEMETREXED DISODIUM FOR INJECTION
CAS:150399-23-8
MF:C20H19N5Na2O6
MW:471.37
EINECS:604-733-2
Product Categories:LY-231514;Molecular Targeted Antineoplastic;All Inhibitors;Inhibitors;Intermediates & Fine Chemicals;Pharmaceuticals;Chiral Reagents
Mol File:150399-23-8.mol
Pemetrexed disodium Structure
Pemetrexed disodium Chemical Properties
storage temp. -20°C Freezer
CAS DataBase Reference150399-23-8(CAS DataBase Reference)
Safety Information
Hazard Codes T;Xi,Xi,T
Risk Statements 36/38-60-61-68
Safety Statements 36/37/39-53
MSDS Information
Pemetrexed disodium Usage And Synthesis
DescriptionPemetrexed disodium (marketed as ALIMTA®, “pemetrexed”) is a novel, multi-targeted antifolate. It suppresses tumor growth by impeding both DNA synthesis and folate metabolism. Pemetrexed disodium has demonstrated promising clinical activity in a wide variety of solid tumors, including non-small cell lung, breast, mesothelioma, colorectal, pancreatic, gastric, bladder, cervix, and head and neck.
Pemetrexed disodium is approved to be used alone or with other drugs to treat malignant pleural mesothelioma in patients who cannot be treated with surgery and non-small cell lung cancer (certain types) in patients whose disease is locally advanced or has metastasized (spread to other parts of the body). Pemetrexed disodium is also being studied in the treatment of other types of cancer.
References[1] https://www.cancer.gov/about-cancer/treatment/drugs/pemetrexeddisodium
[2] Axel-R. Hanauske, V. Chen P. Paoletti, C. Niyikiza (2001) Pemetrexed Disodium: A Novel Antifolate Clinically Active Against Multiple Solid Tumors, The Oncologist, 6, 363-373
DescriptionPemetrexed, a pyrrolo[2,3-d]pyrimidine-based antifolate that disrupts cell replication by inhibiting multiple folate-dependent metabolic processes, was initially developed and launched in the US for the treatment of malignant pleural mesothelioma in conjunction with cisplatin. Patients who are not candidates for surgery may benefit from this combination therapy. Clinical data demonstrated that the median overall survival time increased to 12.1 months, compared with 9.3 months for patients receiving cisplatin alone. In August of 2004, the FDA also approved pemetrexed as a second-line treatment of non-small-cell lung cancer (NSCLC). While median survival is comparable to the standard second-line treatment docetaxel, the improved toxicity profile (significant reduction in neutropenia) accelerated the approval for NSCLC. Its effectiveness as an anticancer drug is derived from its ability to gain internal cell access via the reduced folate carrier and membrane folate binding protein transport systems. Once inside, pemetrexed undergoes polyglutamation, and the resultant polyglutamate forms (predominantly the pentaglutamate) inhibit the folate-dependent enzymes thymidylate synthase (TS), dihydrofolate reductase (DHFR), and glycinamide ribonucleotide formyltransferase (GARFT). Against recombinant human TS, pemetrexed has a Ki of 109nM while the triglutamate and pentaglutamate forms have Ki values of 1.6nM and 1.3 nM, respectively. All forms of pemetrexed display similar potency against recombinant human DHFR (7 nM), but the pentaglutamate form is significantly more potent against recombinant murine GARFT than the parent (Ki=65nM versus 9.3μM). The selectivity of pemetrexed may be explained by the fact that polyglutamation is more likely to occur in cancer cells compared to normal cells while its prolonged duration of action may be attributed to decreased cellular efflux of the polyglutamate forms. While several different routes have provided pemetrexed, one of the most efficient exploits the propensity of 2,6-diamino-3Hpyrimidin- 4-one to undergo Michael additions at its unsubstituted C-5 position. Using ethyl 4-(4-nitrobut-3-enyl)benzoate as the Michael acceptor, the resulting adduct is then converted to the ultimate precursor for glutamyl coupling via a onepot, three-step process (Nef reaction to transform the nitro to the aldehyde, intramolecular condensation to afford the pyrrole, and saponification of the ethyl ester). A typical treatment regimen involves intravenous administration of pemetrexed, infused over ten minutes, at a dose of 500mg/m2 followed by a thirty minute wash-out period and then cisplatin intravenously over two hours at a dose of 75mg/m2. Both drugs are given on Day 1 of a 21-day cycle. In order to reduce treatment-related hematological and GI toxicity, patients are instructed to take folic acid and vitamin B12 as a prophylactic measure. Pretreatment with a corticosteroid is also recommended to prevent possible skin rashes. Pemetrexed is primarily excreted intact in the urine, with 70–90% of the dose being recovered within 24 hours of administration. The half-life of pemetrexed is 3.5 hours in patients with normal renal function, and the total systemic clearance is 91.8mL/min. As expected, clearance decreases as renal impairment increases. The drug’s plasma protein binding is 81%, and it has a steady state volume of distribution of 16.1 L. The pharmacokinetics of pemetrexed is linear with dose and remains unchanged over multiple treatment cycles. While in vitro studies suggest that pemetrexed would not interfere with drugs metabolized by CYP3A4, CYP2D6, CYP2C9, and CYP1A2, ibuprofen (400mg q.d.) does reduce pemetrexed clearance by 20%. Caution should, therefore, be taken when administering pemetrexed concurrently with ibuprofen to patients with renal insufficiency and should not be given at all to patients whose creatinine clearance is <45mL/min. .
Chemical PropertiesCrystalline Solid
OriginatorEli Lilly (US)
UsesPemetrexed is a novel antifolate and antimetabolite for TS, DHFR and GARFT with Ki of 1.3 nM, 7.2 nM and 65 nM, respectively
UsesMultitargeted antifolate; inhibits thymidylate synthase as well as other folate dependent enzymes. Antineoplastic
DefinitionChEBI: An organic sodium salt that is the disodium salt of N-{4-[2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl}-L-glutamic acid. Inhibits thymidylate synthase (TS), 4 1 dihydrofolate reductase (DHFR), and glycinamide ribonucleotide formyltransferase (GARFT).
Brand nameAlimta (Lilly).
General DescriptionThe drug is available in a 100-mg sterile vial for IV use. Thedrug appears to be effective against a range of tumors includingmesothelioma, NSCLC, colorectal cancer, bladdercancer, and lung cancer. The mechanism of action involvesinhibition of TS resulting in inhibition of thymidylate andDNA synthesis. This drug is a pyrrolopyrimidine analog offolate with antifolate activity. Resistance can occur by increasedexpression of TS, decreased binding affinity for TS,or decreased drug transport into cells. The drug is administeredonly via the IV route and distributes to all tissues.Cellular activation to the more potent polyglutamated formsoccurs, and the majority of the dose is excreted unchangedin the urine. The drug interaction and toxicity profiles aresimilar to that of methotrexate.
Mechanism of actionLike methotrexate, it is actively transported into tumor cells through reduced folate carriers and, in polyglutamated form, inhibits the synthesis of pyrimidine and purine-based nucletotides by disrupting folatedependent metabolic processes . In addition to DHFR, this pyrrolopyrimidine-based inhibitor binds tightly to thymidylate synthase and GAR transformylase.
Clinical UsePemetrexed is a novel multitarget antifolate used by the IV route for the treatment of advanced or metastatic nonsmall cell lung cancer and in combination with cisplatin in malignant pleural mesothelioma.
Side effectsPatients on pemetrexed must take folate and vitamin B12 supplements to reduce the risk of bone marrow suppression (neutropenia, thrombocytopenia, and anemia) and GI side effects. Pretreatment with corticosteroids can reduce the risk of drug-induced skin rash. Pemetrexed has a half-life of 3.5 hours and is excreted primarily unchanged via the kidneys. Significant cross-resistance has been noted between pemetrexed and other pyrimidine and folate antagonists.
Pemetrexed disodium Preparation Products And Raw materials
Tag:Pemetrexed disodium(150399-23-8) Related Product Information
4-[2-(2-Amino-4,7-dihydro-4-oxo-1H-pymol[2,3-d]pyrimodin-5-yl)ethyl]benzoic acid Gemcitabine Gemcitabine hydrochloride Ethyl acetate ISOXADIFEN-ETHYL 2-Ethoxyethanol Raltitrexed 1-Methyl-2-pyrrolidinone Ethylparaben Pemetrexed disodium HIPPURIC ACID SODIUM SALT 4H-Pyrrolo[2,3-d]pyrimidin-4-one, 1,7-dihydro-5-methyl- (9CI) Monosodium glutamate N-[4-[2-(2-Amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-glutamic acid disodium salt,N-[4-[2-(2-Amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-glutamic acid disodium salt Pyrrolo[2,3-d]pyrimidin-4-ol HIPPURIC ACID SODIUM SALT Sipatrigine 2-AMINO-5-METHYL-3,7-DIHYDRO-4H-PYRROLO[2,3-D]PYRIMIDIN-4-ONE