Library

Spiroclorfina

R6890, sometimes known as spirochlorphine, is an opioid analgesic and a member of the spiropiperidine family of agents. The first known mention of this compound was in 1977. Other examples of agents from this class are Ro64-6198 and Ro65-6570. Brorphine also has a similar structure. It has been sold as a designer drug, and was proposed for placement on the Schedule 1 list in the USA on 1 July 2026.

Spiroclorfina molecular structure
Spiroclorfina molecular structure diagram from the DrugsPRO substance library.

Also known as: R6890

Classification

  • Chemical: Benzimidazolone opioid
  • Chemical: Opioid
  • Psychoactive: Depressant
  • Tag: Orphine

Effects

  • Sedation
  • Motor Impairment
  • Respiratory Depression
  • Constipation
  • Pupil Constriction
  • Itchiness
  • Reduced Anxiety
  • Euphoria
  • Anxiety Suppression
  • Dulled Perception

Routes of Administration

No route information available yet.

Harm Reduction

Check interactions before mixing substances, pay attention to dose spacing and hydration, and treat all dosage guidance as approximate rather than guaranteed safe.

Sources

Substance data is aggregated from the following public harm-reduction and reference sources.

Links

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Spirochlorphine - Guida alle sostanze DrugsPRO

Spirochlorphine: R6890, sometimes known as spirochlorphine, is an opioid analgesic and a member of the spiropiperidine family of agents. The first known mention of this compound was in 1977. Other examples of agents from this class are Ro64-6198 and Ro65-6570. Brorphine also has a similar structure.

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