Acetyl fentanyl (hydrochloride) (CAS 117332-89-5) | Cayman Chemical
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Acetyl fentanyl (hydrochloride)

Item № ISO00128
CAS № 117332-89-5
Purity ≥98%

Formulation:  A neat solid

     1 mg $35.00 0.00
     5 mg $158.00 0.00

Pricing updated 2018-11-19. Prices are subject to change without notice.

  • This product has been manufactured and tested to meet ISO17025:2005 and Guide 34:2009 guidelines
  • This product is intended to be used as an analytical reference standard
  • Bulk material is available for academic research at qualified institutions; please contact our sales department for pricing
  • Desmethyl fentanyl
  • MCV 4848
  • NIH 10485

Acetyl fentanyl (hydrochloride) is a mu opioid receptor agonist (EC50 = 676 nM in vitro) with receptor binding properties similar to that of morphine.1 It is a known process impurity in the synthesis of the opioid analgesic, fentanyl (EC50 ~30 nM).2,3,4 This product is intended for forensic and research applications.

This product is a qualified Reference Material (RM) that has been manufactured and tested to meet ISO17025 and Guide 34 guidelines. These materials are tested using validated analytical methods on qualified instrumentation to ensure traceability of measurements. All traceable RMs may be distinguished by their CofAs and can be downloaded below using the batch number located on the product label. For a representative CofA please contact our technical support.

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RMs and CRMs produced to accreditation standards: ISO/IEC 17025:2005 · ISO Guide 34:2009
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Technical Information
Formal Name
N-phenyl-N-[1-(2-phenylethyl)-4-piperidinyl]-acetamide, monohydrochloride
CAS Number
  • Desmethyl fentanyl
  • MCV 4848
  • NIH 10485
Molecular Formula
C21H26N2O • HCl
Formula Weight
A neat solid
InChI Code
InChI Key

Warning - this product is not for human or veterinary use.

Shipping & Storage
Room temperature in continental US; may vary elsewhere
≥ 4 years
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Additional Information

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References & Product Citations
Product Description References

1. Woods, J., Medzihradsky, F., Smith, C., et al. Evaluation of new compounds for opioid activity: 1987 Annual report 81, 543-590 (1988).

2. Garg, A., Solas, D.W., Takahashi, L.H., et al. Forced degradation of fentanyl: Identification and analysis of impurities and degradants Journal of Pharmaceutical & Biomedical Analysis 53(3), 325-334 (2010).

3. Brine, G.A., Boldt, K.G., Huang, P.T., et al. Carbon-13 nuclear magnetic resonance spectra of fentanyl analogs J. Heterocycl. Chem. 26(3), 677-686 (1989).

4. Bovill, J.G., Sebel, P.S., and Stanley, T.H. Opioid analgesics in anesthesia: With special reference to their use in cardiovascular anesthesia Anesthesiology 61, 731-755 (1984).

Product Citations

Mochizuki, A., Nakazawa, H., Adachi, N., et al. Identification and quantification of mepirapim and acetyl fentanyl in authentic human whole blood and urine samples by GC-MS/MS and LC-MS/MS Forensic Toxicol. 36, 81-87 (2018).

Watanabe, S., Vikingsson, S., Roman, M., et al. In vitro and in vivo metabolite identification studies for the new synthetic opioids acetylfentanyl, acrylfentanyl, furanylfentanyl, and 4-fluoro-isobutyrylfentanyl AAPS J. 19(4), 1102-1122 (2017).

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