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Chemical Structure| 133073-73-1 Chemical Structure| 133073-73-1
Chemical Structure| 133073-73-1

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Methotrexate hydrate affects cell growth and division by inhibiting DNA synthesis, commonly used in the treatment of cancer and certain autoimmune diseases.

Synonyms: Amethopterin hydrate; CL14377 hydrate; R 9985

4.5 *For Research Use Only! Not for Human Use. We Do Not Sell to Patients.

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Product Details of Methotrexate hydrate

CAS No. :133073-73-1
Formula : C20H22N8O5.xH2O
M.W : 472.45
SMILES Code : O=C(O)[C@@H](NC(C1=CC=C(N(CC2=NC3=C(N)N=C(N)N=C3N=C2)C)C=C1)=O)CCC(O)=O.[H]O[H]
Synonyms :
Amethopterin hydrate; CL14377 hydrate; R 9985
English Name :(4-(((2,4-Diaminopteridin-6-yl)methyl)(methyl)amino)benzoyl)-L-glutamic acid hydrate(1:x)
MDL No. :MFCD00150847

Safety of Methotrexate hydrate

Application In Synthesis of Methotrexate hydrate

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 133073-73-1 ]

[ 133073-73-1 ] Synthesis Path-Downstream   1~1

  • 1
  • [ CAS Unavailable ]
  • [ 133073-73-1 ]
YieldReaction ConditionsOperation in experiment
87.5% With sulfuric acid In water at 20 - 35℃; 1 Example 1, preparation method of methotrexate hydrate crystal form DCI: Weigh 5.0 grams of methotrexate disodium salt and add it to a 250 ml reactor; add purified water 75 Grams, heated to 35±5°C, stirred until dissolved; prepared 1% (weight ratio) sulfuric acid aqueous solution, measured 1.83 grams of 98% concentrated sulfuric acid, slowly added to 99 grams of purified water, and cooled to obtain 1% (weight ratio) sulfuric acid aqueous solution; the reactor was kept warm and stirred at 35±5°C, and 14 grams of 1% (weight ratio) sulfuric acid aqueous solution was slowly added thereto; the reactor was kept warm and stirred at 35±5°C for more than 1 hour, at which time it was an orange-yellow slurry, and the solid was detected by XRPD as the crystalline form DCI of the present application; 45 grams of 1% (weight ratio) sulfuric acid was continued to be added dropwise Acid aqueous solution, dripping time is about 30 minutes; the reactor is kept warm and stirred at 35±2 for 1 hour; the reactor is slowly cooled to 20 in about 1.5 hours; the reactor is kept warm and stirred at 20±5 for 2 hours; the reactor is filtered under reduced pressure, and the filter cake is rinsed with 20 grams of purified water; the filter cake is vacuum dried at 30±5 for 6 hours, turning the material once per hour; the vacuum oven is heated to 55±5 and continued to dry for 18 hours; finally, 4 grams of yellow crystalline powder is obtained, which is the crystal form DCI of this application after XRPD detection, with a yield of 87.5% (weight ratio).
 

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