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Donepezil 4-Hydroxy Impurity

  • Batch Number : OLYDO0010.04HY
  • Chemical Name : 2,3-Dihydro-2-[[4-hydroxy-1-(phenylmethyl)-4-piperidinyl]methyl]-5,6-dimethoxy-1H-inden-1-one
  • Molecular Formula : C24H29NO4
  • Molecular Weight : 395.49
  • CAS Number : 197010-22-3
  • Solubility : MEOH
  • Storage : 02-08 °C
  • Keywords : 2,3-Dihydro-2-[[4-hydroxy-1-(phenylmethyl)-4-piperidinyl]methyl]-5,6-dimethoxy-1H-inden-1-one, CAS NO. 197010-22-3, Donepezil 4-Hydroxy Impurity
  • Purity by HPLC : NLT 95%


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COA, HNMR, 13CNMR, MASS, Purity by HPLC, IR and Volatile and nonvolatile impurity by TGA will be provided with Donepezil 4-Hydroxy Impurity

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Donepezil 3-Hydroxy Impurity

  • Batch No: OLYDO0010.03HY
  • CAS No:N.A.
  • Molecular Formula: C24H29NO4 (base) ; C24H30ClNO4 (base)
  • Molecular Weight: 395.49 ; 431.95
  • Inventory Status:

Donepezil 5-O-Desmethyl Impurity

  • Batch No: OLYDO0010.0ODE ME
  • CAS No:120013-57-2
  • Molecular Formula: C23H27NO3
  • Molecular Weight: 365.47
  • Inventory Status:

Donepezil 6-O-Desmethyl Impurity

  • Batch No: OLYDO0010.06 DE ME
  • CAS No:120013-56-1
  • Molecular Formula: C23H27NO3
  • Molecular Weight: 365.47
  • Inventory Status:

Donepezil Aldehyde Impurity

  • Batch No: OLYDO0010.0AL
  • CAS No:22065-85-6
  • Molecular Formula: C13H17NO
  • Molecular Weight: 203.28
  • Inventory Status:

Donepezil Alkene Pyridine N-Oxide (USP)

  • Batch No: OLYDO0010.0ALK
  • CAS No:N.A.
  • Molecular Formula: C17H15NO4
  • Molecular Weight: 297.31
  • Inventory Status:

Donepezil Benzyl Bromide

  • Batch No: OLYDO0010.0BE BR
  • CAS No:844694-85-5
  • Molecular Formula: C31H36BrNO3
  • Molecular Weight: 550.53
  • Inventory Status:

Donepezil Dehydro Deoxy Impurity

  • Batch No: OLYDO0010.0DE DO
  • CAS No:120013-45-8
  • Molecular Formula: C24H29NO2
  • Molecular Weight: 363.49
  • Inventory Status:

Donepezil Deoxy Impurity

  • Batch No: OLYDO0010.0DE
  • CAS No:844694-84-4 (base) ; 1034439-57-0 (HCl Salt)
  • Molecular Formula: C24H31NO2
  • Molecular Weight: 365.51
  • Inventory Status:

Donepezil Desbenzyl Deoxy Impurity F

  • Batch No: OLYDO0010.0DE DE
  • CAS No:1034439-43-4 (HCl salt) ; 844694-83-3 (base)
  • Molecular Formula: C17H26ClNO2
  • Molecular Weight: 311.85
  • Inventory Status:

Donepezil Desbenzyl Impurity

  • Batch No: OLYDO0010.0DE BE
  • CAS No:120013-39-0
  • Molecular Formula: C17H24ClNO3
  • Molecular Weight: 325.83
  • Inventory Status:

Donepezil Didesmethyl Impurity

  • Batch No: OLYDO0010.0DIDE ME
  • CAS No:N.A.
  • Molecular Formula: C22H25NO3 (base) ; C22H26BrNO3 (HBr salt)
  • Molecular Weight: 351.44 ; 432.35 (HBr salt)
  • Inventory Status:

Donepezil Dihydro Impurity

  • Batch No: OLYDO0010.0DI HY
  • CAS No:120012-04-6
  • Molecular Formula: C24H31NO3
  • Molecular Weight: 381.51
  • Inventory Status:

Donepezil Hydrochloride

  • Batch No: OLYDO0010.0HCL
  • CAS No:120011-70-3
  • Molecular Formula: C24H30ClNO3
  • Molecular Weight: 415.95
  • Inventory Status:

Donepezil Hydroxy Keto Impurity

  • Batch No: OLYDO0010.0HY KE
  • CAS No:197010-20-1
  • Molecular Formula: C24H29NO4
  • Molecular Weight: 395
  • Inventory Status:

Donepezil N-Oxide

  • Batch No: OLYDO0010.0N OX
  • CAS No:120013-84-5
  • Molecular Formula: C24H29NO4
  • Molecular Weight: 395.49
  • Inventory Status:

Donepezil Open-Ring Hydroxy Acid

  • Batch No: OLYDO0010.0HY AC
  • CAS No:N.A.
  • Molecular Formula: C24H31NO5
  • Molecular Weight: 413.51
  • Inventory Status:

Donepezil Open-Ring Keto Acid (Sodium Salt)

  • Batch No: OLYDO0010.0OP KE
  • CAS No:197010-25-6 (acid)
  • Molecular Formula: C24H29NO5 (acid) ; C24H28NNaO5 (sodium salt)
  • Molecular Weight: 411.49 ; 433.47 (sodium salt)
  • Inventory Status:

Donepezil Pyridine Analog (USP)

  • Batch No: OLYDO0010.0P AN
  • CAS No:4803-57-0
  • Molecular Formula: C17H17NO3
  • Molecular Weight: 283.32
  • Inventory Status:

Donepezil Pyridine Dehydro Impurity

  • Batch No: OLYDO0010.0P DE
  • CAS No:4803-74-1
  • Molecular Formula: C17H15NO3
  • Molecular Weight: 281.31
  • Inventory Status:

Donepezil Pyridine Dehydro N-Oxide

  • Batch No: OLYDO0010.0P N OX
  • CAS No:896134-06-8
  • Molecular Formula: C17H15NO4
  • Molecular Weight: 297.31
  • Inventory Status:

Donepezil Pyridine N-Oxide

  • Batch No: OLYDO0010.0P OX
  • CAS No:896134-07-9
  • Molecular Formula: C17H17NO4
  • Molecular Weight: 299.32
  • Inventory Status:

Donepezil USP RC A

  • Batch No: OLYDO0010.0RCA
  • CAS No:145546-80-1
  • Molecular Formula: C24H27NO3
  • Molecular Weight: 377.48
  • Inventory Status: