Butorphanol (+)-tartrate salt
Butorphanol (+)-tartrate salt (CAS: 58786-99-5) is a synthetic opioid agonist/antagonist with the molecular formula C21H29NO2 · C4H6O6 and a molecular weight of 477.55 g/mol. It functions as a mixed opioid agonist and antagonist, primarily interacting with kappa and mu opioid receptors. This compound is employed in research settings for its pharmacological properties, particularly in studies related to pain management and neurological pathways.
- IUPAC
- L-N-Cyclobutylmethyl-3,14-dihydroxymorphinan (+)-tartrate salt

Pharmacological Research
Investigate the analgesic properties and receptor binding profile of butorphanol tartrate in preclinical studies. Its mixed agonist-antagonist activity makes it a valuable tool for understanding opioid receptor pharmacology.
Neuroscience Research
Utilise this compound to explore its effects on central nervous system pathways, including those involved in pain perception, mood, and behaviour. Its known interaction with opioid receptors (OPRK1, OPRM1) facilitates research in neurobiology.
Drug Candidate Studies
Serve as a reference standard or research tool in the development and evaluation of novel therapeutic agents targeting the opioid system. Its established pharmacological profile aids in comparative studies.
| Molecular weight | 477.55 |
|---|---|
| Empirical formula | C21H29NO2 · C4H6O6 |
| Assay | ≥99% |
| Storage temperature | 2-8°C |


Hazard statements
- H302Harmful if swallowed
- H361Suspected of damaging fertility or the unborn child
Precautionary statements
- P281Use personal protective equipment as required
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 63-22 |
| Safety statements (S) | 22-26-36/37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Drug Control | USDEA Schedule IV; psychotrope; regulated under CDSA - not available from Canada |
|---|---|
| Gene Information | human ... OPRK1(4986), OPRM1(4988) |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Butorphanol (+)-tartrate salt used for?
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Butorphanol (+)-tartrate salt is primarily used in research settings for pharmacological studies, including investigations into pain management, neuroscience, and opioid receptor interactions.
What is the CAS number and formula for Butorphanol (+)-tartrate salt?
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The CAS number is 58786-99-5 and the empirical formula is C21H29NO2 · C4H6O6.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Butorphanol (+)-tartrate salt with an assay of ≥99%. We do not represent this product as USP, BP, or EP grade.
How should Butorphanol (+)-tartrate salt be handled safely?
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Handle with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection (N100 respirator or P3 filter). Avoid ingestion and inhalation; it is harmful if swallowed and may cause suspected genetic defects or damage to fertility or the unborn child. Store at 2-8°C.
Is Butorphanol (+)-tartrate salt a controlled substance?
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Yes, this compound is a USDEA Schedule IV controlled substance and a psychotropic substance regulated under the CDSA.
How is this product shipped?
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Products are packed and shipped according to regulatory requirements for controlled substances and hazardous materials, ensuring compliance for export.
How can I request a sample or quote for Butorphanol (+)-tartrate salt?
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Please contact our sales team directly through our website or by phone to request a sample or a formal quotation.
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