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U-62066 (SPIRADOLINE MESYLATE) K-OPIOID AGONIST

CAS No.
87151-85-7
Chemical Name:
U-62066 (SPIRADOLINE MESYLATE) K-OPIOID AGONIST
Synonyms
Spiradoline;Espiradolina;Spiradolinum;U-62066 solid;Spiradolinum [latin];Espiradolina [spanish];Spiradoline mesylate salt;U-62066 (SPIRADOLINE MESYLATE) K-OPIOID AGONIST;Benzeneacetamide, 3,4-dichloro-N-methyl-N-[(5S,7R,8R)-7-(1-pyrrolidinyl)-1-oxaspiro[4.5]dec-8-yl]-, rel-;(±)-(5α,7α,8β)-3,4-dichloro-n-methyl-n-[7-(1-pyrrolidinyl)-1-oxaspiro[4.5]dec-8-yl]benzeneacetamide mesylate salt
CBNumber:
CB2972242
Molecular Formula:
C22H30Cl2N2O2
Molecular Weight:
425.39
MDL Number:
MFCD00153876
MOL File:
87151-85-7.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-04-24 14:58:12

U-62066 (SPIRADOLINE MESYLATE) K-OPIOID AGONIST Properties

Boiling point 563.070±50.00 °C(Press: 760.00 Torr)(predicted)
Density 1.272±0.10 g/cm3(Temp: 25 °C; Press: 760 Torr)(predicted)
storage temp. 2-8°C
solubility H2O: soluble14mg/mL
form solid
pka 9.144±0.20(predicted)
color white
Water Solubility H2O: 14mg/mL
methanol: insoluble
InChIKey FHEZDPDAYTVKKG-JLBKCEDKSA-N
SMILES CS(O)(=O)=O.CN([C@H]1CC[C@@]2(CCCO2)C[C@@H]1N3CCCC3)C(=O)Cc4ccc(Cl)c(Cl)c4
FDA UNII N18ZH0M4NP
UNSPSC Code 12352200
NACRES NA.77

SAFETY

Risk and Safety Statements

PPE Eyeshields, Gloves, type N95 (US)
WGK Germany  3
Storage Class 11 - Combustible Solids

U-62066 (SPIRADOLINE MESYLATE) K-OPIOID AGONIST price More Price(5)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich U105 U-62066 solid 87151-85-7 25mg $129 2026-04-30 Buy
Sigma-Aldrich U105 U-62066 solid 87151-85-7 100mg $380 2026-04-30 Buy
TRC U100230 U62066 87151-85-7 5mg $130 2021-12-16 Buy
American Custom Chemicals Corporation BRS0000786 U-62066 95.00% 87151-85-7 25MG $626.15 2021-12-16 Buy
American Custom Chemicals Corporation BRS0000786 U-62066 95.00% 87151-85-7 100MG $789.51 2021-12-16 Buy
Product number Packaging Price Buy
U105 25mg $129 Buy
U105 100mg $380 Buy
U100230 5mg $130 Buy
BRS0000786 25MG $626.15 Buy
BRS0000786 100MG $789.51 Buy

U-62066 (SPIRADOLINE MESYLATE) K-OPIOID AGONIST Chemical Properties, Uses, Production

Uses

Analgesic.

Uses

U 62066 is a selective κ-opioid agonist. It exhibits analgesic, diuretic and antitussive properties.

Biological Activity

U-62066, also known as spiradoline, is a highly selective K opioid receptor agonist. It exhibits analgesic and diuretic effects. Antitussive property of U-62066 is observed in rats.

in vivo

Spiradoline (U-62066; 0.1-0.4 mg/kg; subcutaneous injection; once; Sprague-Dawley rats) treatment dose-dependently reduces social behaviors in non-stressed adults, producing social avoidance at the highest dose tested, while younger animals displays reduced sensitivity to this socially suppressing effect of Spiradoline. In stressed animals, the socially suppressing effects of the Spiradoline are blunted at all ages, with juveniles and adolescents exhibiting increased social preference in response to certain doses of U-62066[1].

Animal Model:Juvenile, adolescent and adult Sprague-Dawley male and female rats exposured to repeated restraint[1]
Dosage:0.1 mg/kg, 0.2 mg/kg, 0.3 mg/kg, and 0.4mg/kg
Administration:Subcutaneous injection; once
Result:Dose-dependently reduced social behaviors in non-stressed adults, producing social avoidance at the highest dose tested.

U-62066 (SPIRADOLINE MESYLATE) K-OPIOID AGONIST Preparation Products And Raw materials

Raw materials

Preparation Products

U-62066 (SPIRADOLINE MESYLATE) K-OPIOID AGONIST Spiradoline (±)-(5α,7α,8β)-3,4-dichloro-n-methyl-n-[7-(1-pyrrolidinyl)-1-oxaspiro[4.5]dec-8-yl]benzeneacetamide mesylate salt Spiradoline mesylate salt, (±)-(5α,7α,8β)-3,4-Dichloro-N-methyl-N-[7-(1-pyrrolidinyl)-1-oxaspiro[4.5]dec-8-yl]benzeneacetamide mesylate salt Benzeneacetamide, 3,4-dichloro-N-methyl-N-(7-(1-pyrrolidinyl)-1-oxaspiro(4,5)dec-8-yl)-, (5alpha,7alpha,8beta)-(+-)- Espiradolina Espiradolina [spanish] Spiradolinum Spiradolinum [latin] Spiradoline mesylate salt Benzeneacetamide, 3,4-dichloro-N-methyl-N-[(5S,7R,8R)-7-(1-pyrrolidinyl)-1-oxaspiro[4.5]dec-8-yl]-, rel- U-62066 solid 87151-85-7 C22H30Cl2N2O2CH3SO3H C22H30Cl2N2O2