의약품용 유연물질, 표준품 전문업체
Specialty of Pharmaceutical Impurity & Reference Standard

  • Leuprolide
    • Leuprolide
      Chemical name : L-pyroglutamyl-L-histidyl-L-tryptophyl-L-seryl-L-tyrosyl-D-leucyl-L-leucyl-L-arginyl-L-proline ethylamide
      Unit : 10mg, 20mg, 50mg,100mg,
    • Leuprolide EP Impurity A
      Code : L570005A
      Chemical name : (D-Ser4)-Leuprolide, (D-Ser4)-Leuprorelin
      Unit : 10mg, 20mg, 50mg,100mg,
    • Leuprolide EP Impurity B
      Code : L570002
      Chemical name : (D-HIS2)-LEUPROLIDE
      Unit : 10mg, 20mg, 50mg,100mg,
    • Leuprolide EP Impurity C (Leuoprorelin)
      Code : L570006
      Chemical name : (6-L-Leucine)-Leuprolide
      Unit : 10mg, 20mg, 50mg,100mg,
    • Leuprolide EP Impurity D
      Code : L570007
      Chemical name : [4-(O-acetyl-L-serine)] leuprorelin
      Unit : 10mg, 20mg, 50mg,100mg,
    • Leuprolide EP Impurity E
      Code : L570008
      Chemical name : [3-D-tryptophane] leuprorelin
      Unit : 10mg, 20mg, 50mg,100mg,
    • Leuprolide EP Impurity F
      Code : L570009
      Chemical name : [2-D-histidine,4-D-serine] leuprorelin
      Unit : 10mg, 20mg, 50mg,100mg,
    • Leuprolide EP Impurity G
      Code : L570010
      Chemical name : [5-D-tyrosine] leuprorelin
      Unit : 10mg, 20mg, 50mg,100mg,
  • Leuprolide Acetate
    • Leuprolide Acetate
      Code : L570000
      Chemical name : 5-Oxo-L-prolyl-L-histidyl-L-tryptophyl-L-seryl-L-tryosyl-D-leucyl-L-leucyl-L-arginyl-N-ethyl-L-prolinamide monoacetate
      Unit : 10mg, 20mg, 50mg,100mg,
  • Leuprolide-d10 TFA Salt
    • Leuprolide-d10 TFA Salt
      Code : L570012
      Chemical name : 6-D-Leucine-9-(N-ethyl-L-prolinamide)-10-deglycinamideluteinizing-d10 TFA Salt
      Unit : 10mg, 20mg, 50mg,100mg,
  • Levalbuterol
    • Levalbuterol
      Chemical name : 4-[(1R)-2-(tert-butylamino)-1-hydroxyethyl]-2-(hydroxymethyl)phenol
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levalbuterol USP RC A
      Code : LU1358795
      Chemical name : 4-(2-tert-butylamino-ethyl)-2-hydroxymethyl-phenol
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levalbuterol RC B ( Salbutamol EP Impurity C, Albuterol USP RC A)
      Code : L240001
      Chemical name : (1RS)-2-[(1,1-Dimethylethyl)amino]methyl]-4-hydroxy-3-methylbenzenemethanol;
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levalbuterol USP RC C
      Code : LU1358810
      Chemical name : alpha-{(1,1-Dimethylethyl)amino}methyl-4-hydroxy-3-(methoxymethyl)-benzenemethanol
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levalbuterol USP RC D (Albuterol Aldehyde, Salbutamol EP Impurity D)
      Code : LU1358820
      Chemical name : 5-[2-[(1,1-Dimethylethyl)amino]-1-hydroxyethyl]-2-hydroxybenzaldehyde Hemisulfate
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levalbuterol USP RC E
      Code : LU1358831
      Chemical name : alpha-{(1,1-Dimethylethyl)amino}methyl-3-(ethoxy-methyl)-4-hydroxy-benzenemethanol
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levalbuterol USP RC F ((-)-4-benzyl albuterol)
      Code : LU1358842
      Chemical name : alpha-{(1,1-Dimethylethyl)amino}methyl}-4-(phenylmethoxy)-1,3-benzenedimethanol
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levalbuterol USP RC G (5-Hydroxy Salbutamol, 5-Hydroxy Albuterol)
      Code : L240002
      Chemical name : αlpha ((1,1-dimethylethyl)amino)methyl)-4,5-dihydroxy-1,3-benzenedimethanol; 5-Hydroxy Albuterol;
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levalbuterol USP RC H (Albuterol Methyl Ether, Salbutamol EP Impurity A)
      Chemical name : 4-(2-(tert-butylamino)-1-methoxyethyl)-2-(hydroxymethyl)phenol
      Unit : 10mg, 20mg, 50mg,100mg,
  • Levalbuterol Hydrochloride
    • Levalbuterol Hydrochloride
      Code : LU1358784
      Chemical name : 4-[(1R)-2-(tert-butylamino)-1-hydroxyethyl]-2-(hydroxymethyl)phenol;hydrochloride
      Unit : 10mg, 20mg, 50mg,100mg,
  • Levalbuterol sulfate
    • Levalbuterol sulfate
      Chemical name : (R)-4-(2-(tert-butylamino)-1-hydroxyethyl)-2-(hydroxymethyl)phenol sulfate
      Unit : 10mg, 20mg, 50mg,100mg,
  • Levamisole
    • Levamisole
      Chemical name : (6S)-6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levamisole Impurity B
      Chemical name : 3-(2-phenylethenyl)-1,3-thiazolidin-2-imine
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levamisole Impurity D
      Code : LM070604
      Chemical name : 6-phenyl-2,3-dihydroimidazo[2,1-b][1,3]thiazole
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levamisole Impurity E
      Chemical name : (4S)-1-[2-[2-[(4S)-2-oxo-4-phenylimidazolidin-1-yl]ethyldisulfanyl]ethyl]-4-phenylimidazolidin-2-one
      Unit : 10mg, 20mg, 50mg,100mg,
  • Levamisole Hydrochloride
    • Levamisole Hydrochloride
      Code : LM070600
      Chemical name : (6S)-6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole;hydrochloride
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levamisole hydrochloride EP Impurity A
      Chemical name : 3-(beta-Aminophenethyl)-2-thiazolidinone
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levamisole hydrochloride EP Impurity B
      Chemical name : (E)-3-(2-phenylethenyl)-2-thiazolidinimine
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levamisole hydrochloride EP Impurity D
      Chemical name : 6-phenyl-2,3-dihydroimidazo[2,1-b][1,3]thiazole
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levamisole hydrochloride EP Impurity E
      Chemical name : Bis(2-(2-oxo-4-phenylimidazolidin-1-yl)ethyl) disulfide
      Unit : 10mg, 20mg, 50mg,100mg,
  • Levetiracetam
    Chemical name : (S)-2-(2-Oxopyrrolidin-1-yl)butanamide
    CAS Number : 102767-28-2
    Mol. Formula : C8H14N2O2
    Mol. Weight : 170.212 g/mol
    • Levetiracetam EP impurity A (Levetiracetam acid, Levetiracetam Carboxylic Acid)
      Code : LU1359404
      Chemical name : 2-(2-oxopyrrolidin-1-yl)butanoic acid
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levetiracetam EP Impurity B
      Chemical name : (2Z)-2-(2-Oxopyrrolidin-1-yl)but-2-enamide ;
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levetiracetam EP Impurity C (2-Pyridone)
      Chemical name : 2-hydroxy pyridine
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levetiracetam EP Impurity D (Levetiracetam)
      Chemical name : (2R)-2-(2-oxopyrrolidin-1-yl)butanamide
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levetiracetam Impurity (USP RC A) (LCTRC 3)
      Chemical name : (S)-N-(1-Amino-1-oxobutan-2-yl)-4-chlorobutanamide
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levetiracetam Impurity B (IH) (Levetiracetam)
      Chemical name : 2(RS)-(2-Oxopyrrolidin-1-yl)butyramide
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levetiracetam Impurity C (IH) (USP RC B)
      Chemical name : (S)-2-Aminobutyramide hydrochloride; (S)-2-Aminobutanamide hydrochloride
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levetiracetam Impurity D (IH)
      Chemical name : (RS)-2-Aminobutanamide Hydrochloride; (RS)-2-Aminobutyramide hydrochloride
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levetiracetam Impurity E (IH)
      Chemical name : (s)-alpha-ethyl-2-oxo-1-pyrrolidineacetic acid (r)-alpha-methylbenzylamine salt
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levetiracetam Impurity 3 (USP RC A )
      Chemical name : (2S)-2-(4-chlorobutanoylamino)butanamide
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levetiracetam Impurity 3 (USP RC A )
      Chemical name : (2S)-2-(4-chlorobutanoylamino)butanamide
      Unit : 10mg, 20mg, 50mg,100mg,
    • Levetiracetam Impurity 4 (Levetiracetam acid, Levetiracetam Carboxylic Acid)
      Chemical name : (2S)-2-(2-oxopyrrolidin-1-yl)butanoic acid
      Unit : 10mg, 20mg, 50mg,100mg,
  • Levetiracetam Carboxylic Acid Impurity
    • Levetiracetam Carboxylic Acid Impurity
      Chemical name : (2S)-2-(2-oxopyrrolidin-1-yl)butanoic acid
      Unit : 10mg, 20mg, 50mg,100mg,
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