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S4613-2 Contact for quotation ¥100
S4613-10 Contact for quotation ¥100


6-Alpha Naloxol(Alpha-Naloxol) is an opioid antagonist closely related to naloxone; a human metabolite of naloxone.IC50 value:Target: opioid antagonistWhen responding over the entire 30 min operant session was examined, naloxone was only 5-fold more potent than 6-alpha-naloxol in suppressing operant responding under Morphine Na ve conditions, but this increased to a 65-fold potency difference after Single or Repeat Morphine pretreatment. Examination of the relative potency of these antagonists in the Early Phase of operant testing (5-15 min post-antagonist) revealed an even greater 100-fold potency difference between naloxone and 6-alpha-naloxol, but in the Late Phase of testing (25-35 min post-antagonist), this had declined to a 9-fold potency difference, comparable to the relative potency of naloxone to 6-alpha-naloxol under Morphine-Na ve conditions.

Product information

CAS Number: 20410-95-1

Molecular Weight: 329.39

Formula: C19H23NO4



Chemical Name: (1S,5R,13R,14S,17S)-4-(prop-2-en-1-yl)-12-oxa-4-azapentacyclo[¹,¹³.0⁵,¹⁷.0⁷,¹⁸]octadeca-7,9,11(18)-triene-10,14,17-triol

Smiles: C=CCN1CC[C@@]23[C@H]4OC5=C2C(C[C@@H]1[C@]3(O)CC[C@@H]4O)=CC=C5O


InChi: InChI=1S/C19H23NO4/c1-2-8-20-9-7-18-15-11-3-4-12(21)16(15)24-17(18)13(22)5-6-19(18,23)14(20)10-11/h2-4,13-14,17,21-23H,1,5-10H2/t13-,14+,17-,18-,19+/m0/s1

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: Soluble in DMSO

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200


  1. Csaba Simon, et al. Stereoselective synthesis of β-naltrexol, β-naloxol β-naloxamine, β-naltrexamine and related compounds by the application of the mitsunobu reac. Tetrahedron Volume 50, Issue 32, 1994, Pages 9757–9768.
  2. Schulteis G, et al. Relative potency of the opioid antagonists naloxone and 6-alpha-naloxol to precipitate withdrawal from acute morphine dependence varies with time post-antagonist. Pharmacol Biochem Behav. 2009 Mar;92(1):157-63.

Products are for research use only. Not for human use.


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