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QM202420
Methotrexate Impurity 20
Molecular Formula: C22H27N9O4
Molecular Weight: 481.51
CAS No.: 71074-44-7
QM202421
Methotrexate Impurity 21
Molecular Formula: C7H7ClN6.HCl
Molecular Weight: 210.62 36.46
CAS No.: 82778-08-3;57521-63-8(free base)
QM202422
Methotrexate Impurity 22
Molecular Formula: C13H14N2O5Zn
Molecular Weight: 343.64
CAS No.: 52980-68-4(free base)
QM202423
Methotrexate Impurity 23
Molecular Formula: C4H8N6O
Molecular Weight: 156.15
CAS No.: NA
QM202424
Methotrexate Nitroso Impurity 4
Molecular Formula: C4H6N6O
Molecular Weight: 154.13
CAS No.: NA
QM202425
Methotrexate Impurity 25
Molecular Formula: C4H5N6
Molecular Weight: 137.12
CAS No.: NA
QM202426
Methotrexate Impurity 26
Molecular Formula: C32H42N8O15
Molecular Weight: 778.72
CAS No.: NA
QM202427
Methotrexate Impurity 27
Molecular Formula: C32H42N8O15
Molecular Weight: 778.72
CAS No.: NA
QM202428
Methotrexate Impurity 28
Molecular Formula: C17H24N2O5
Molecular Weight: 336.39
CAS No.: 2378-95-2
QM202429
Methotrexate Impurity 29
Molecular Formula: C7H8N6O
Molecular Weight: 192.18
CAS No.: 881-33-4
QM202430
Methotrexate Impurity 30
Molecular Formula: C7H8N6
Molecular Weight: 176.18
CAS No.: 708-74-7
QM202431
Methotrexate Impurity 31
Molecular Formula: C7H8N6
Molecular Weight: 176.18
CAS No.: 4215-07-0
QM202432
Methotrexate Impurity 32
Molecular Formula: C7H6N6O
Molecular Weight: 190.17
CAS No.: 4261-17-0
QM202433
Methotrexate Impurity 33
Molecular Formula: C7H8N6O2
Molecular Weight: 208.18
CAS No.: 54643-27-5
QM202434
Methotrexate Impurity 34
Molecular Formula: C23H28N8O5
Molecular Weight: 496.53
CAS No.: NA
QM202435
Methotrexate Impurity 35
Molecular Formula: C16H23N7O4
Molecular Weight: 377.41
CAS No.: NA
QM202436
Methotrexate Impurity 36
Molecular Formula: C24H30N8O5
Molecular Weight: 510.56
CAS No.: 43170-88-3
QM202437
Methotrexate Impurity 37
Molecular Formula: C22H26N8O5
Molecular Weight: 482.50
CAS No.: NA
QM202438
Methotrexate Impurity 38
Molecular Formula: C22H26N8O5
Molecular Weight: 482.50
CAS No.: NA
QM202440
Methotrexate Impurity 40
Molecular Formula: C15H20N2O5
Molecular Weight: 308.33
CAS No.: NA
QM202441
Methotrexate Impurity 41
Molecular Formula: C15H20N2O5
Molecular Weight: 308.33
CAS No.: NA
QM202442
Methotrexate Impurity 42
Molecular Formula: C4H7N5O
Molecular Weight: 141.13
CAS No.: 22715-34-0
QM202443
Methotrexate Impurity 43
Molecular Formula: C20H22N8O5
Molecular Weight: 454.45
CAS No.: 52980-66-2
QM202444
Methotrexate Impurity 44
Molecular Formula: C12H13NO5
Molecular Weight: 251.24
CAS No.: 6094-36-6
QM202445
Methotrexate Impurity 45
Molecular Formula: C12H12ClNO5
Molecular Weight: 285.68
CAS No.: 87039-96-1
QM202446
Methotrexate Impurity 46
Molecular Formula: C12H12ClNO5
Molecular Weight: 285.68
CAS No.: 1308957-12-1
QM202447
Methotrexate Impurity 47
Molecular Formula: C12H12ClNO5
Molecular Weight: 285.68
CAS No.: NA
QM202448
Methotrexate Impurity 48
Molecular Formula: C14H18N2O5
Molecular Weight: 294.31
CAS No.: 67278-37-9
QM202449
Methotrexate Impurity 49
Molecular Formula: C8H9NO2
Molecular Weight: 151.17
CAS No.: 10541-83-0
QM202450
Methotrexate Impurity 50
Molecular Formula: C9H12N2O
Molecular Weight: 164.21
CAS No.: 942840-87-1