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Home>Methotrexate>Methotrexate Impurity E
Methotrexate-DCTI-C-1284-Daicel
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Methotrexate Impurity E

API Category Methotrexate impurity
Appearance Brown hygroscopic Solid
CAT Number DCTI-C-1284
CAS Number 19741-14-1
IUPAC Name 4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzoic acid
Molecular Formula C15H15N7O2
Molecular Weight 325.33
Solubility DMSO
Storage Condition 2-8°C
Synonyms NSC 131463; NSC 133723

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Methotrexate Impurity I

  • CAT Number DCTI-C-1413
  • CAS Number 66147-29-3 (free base)
  • Molecular Formula C21H24N8O5 (Free base) C22H26N8O7 (Salt)
  • Molecular Weight 468.47 (Free base) 514.50 (Salt)

Methotrexate Impurity B

  • CAT Number DCTI-C-1412
  • CAS Number 54-62-6
  • Molecular Formula C19H20N8O5
  • Molecular Weight 440.41

Methotrexate Impurity D

  • CAT Number DCTI-C-1283
  • CAS Number 5623-18-7
  • Molecular Formula C15H14N6O3
  • Molecular Weight 326.31

Methotrexate Impurity F (Isomer)

  • CAT Number DCTI-C-1243
  • CAS Number 51865-79-3
  • Molecular Formula C20H22N8O5
  • Molecular Weight 454.45

(4-(Methylamino)benzoyl)-D-glutamic acid

  • CAT NUMBER DCTI-C-2595
  • CAS NUMBER 52030-86-1
  • MOLECULAR FORMULA C13H16N2O5
  • MOLECULAR WEIGHT 280.28

Methotrexate Impurity C

  • CAT Number DCTI-C-1282
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