INDEX NAME NOT YET ASSIGNED

Thiophene fentanyl-d₅ (hydrochloride) is intended for use as an internal standard for the quantification of thiophene fentanyl by GC- or LC-MS. Thiophene fentanyl is categorized as an opioid.^1,2 It induces generalized responses in rats trained to discriminate morphine from saline.³ Thiophene fentanyl is regulated as a Schedule I compound in the United States. This product is intended for research and forensic applications.

1. Eshleman, A.J., Nagarajan, S., Wolfrum, K.M., et al. Affinity, potency, efficacy, selectivity, and molecular modeling of substituted fentanyls at opioid receptors Biochem. Pharmacol. 182,114293(2020).
2. Varshneya, N.B., Walentiny, D.M., Moisa, L.T., et al. Opioid-like antinociceptive and locomotor effects of emerging fentanyl-related substances Neuropharmacology 151,171-179(2019).
3. Eneanya, C., Walker, T., Tella, S., et al. Morphine drug discrimination: A behavioral model to assess novel synthetic opioid substances FASEB J. 33(S1),663.662-663.662(2019).