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Home>Methotrexate>Methotrexate Impurity B
Methotrexate-DCTI-C-1412-Daicel
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Methotrexate Impurity B

API Category Methotrexate impurity
Appearance Hygroscopic Yellow Solid
CAT Number DCTI-C-1412
CAS Number 54-62-6
IUPAC Name (4-(((2,4-diaminopteridin-6-yl)methyl)amino)benzoyl)-L-glutamic acid
Molecular Formula C19H20N8O5
Molecular Weight 440.41
Solubility DMSO
Storage Condition 2-8°C
Synonyms 4-Aminofolic Acid, 4-Aminopteroyl-L-glutamic Acid, 4-Amino-PGA; NSC 739; USP Methotrexate Related Compound B; Methotrexate EP Impurity B; 4-Amino-PGA; Aminopterin

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Methotrexate Impurity F (Isomer)

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

Methotrexate Impurity C

  • CAT Number DCTI-C-1282
  • CAS Number 2410-93-7
  • Molecular Formula C20H21N7O6
  • Molecular Weight 455.42

(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 A

  • CAT NUMBER DCTI-C-1778
  • CAS NUMBER 945-24-4(Free Base) ; 73978-41-3(HCl Salt)
  • MOLECULAR FORMULA C7H8N6O (Free base) C7H9ClN6O (Salt)
  • MOLECULAR WEIGHT 192.18 (Free base) 228.64 (Salt)

Methotrexate Impurity D

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

Methotrexate Impurity H

  • CAT Number DCTI-C-1408
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