WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 555940

CAS#: 1069498-96-9

Description: ML335, also known as CID23723457 and CYM51010, is a biased ligand of μ-opioid receptor – δ-opioid receptor heterodimers. CYM51010 exhibits anti-nociceptive activity similar to morphine, but with a decreased levels of tolerance development and withdrawal symptoms. ML335 showed an EC50 of 403 nM, and selectivities vs. OPRM1, OPRD1, and HTR5A of 37, 2.7, and >99, respectively.

Chemical Structure

CAS# 1069498-96-9

Theoretical Analysis

MedKoo Cat#: 555940
Name: ML335
CAS#: 1069498-96-9
Chemical Formula: C25H32N2O3
Exact Mass: 408.2413
Molecular Weight: 408.542
Elemental Analysis: C, 73.50; H, 7.90; N, 6.86; O, 11.75

Price and Availability

Size Price Availability Quantity
25.0mg USD 350.0 2 Weeks
50.0mg USD 550.0 2 Weeks
100.0mg USD 950.0 2 Weeks
200.0mg USD 1450.0 2 Weeks
500.0mg USD 2450.0 2 Weeks
1.0g USD 3450.0 2 Weeks
2.0g USD 5450.0 2 Weeks
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Synonym: CID23723457; CID-23723457; CID 23723457; ML335; ML-335; ML 335; CYM51010; CYM-51010; CYM 51010;

IUPAC/Chemical Name: 1-[[4-(Acetylamino)phenyl]methyl]-4-(2-phenylethyl)-4-Piperidinecarboxylic acid ethyl ester


InChi Code: InChI=1S/C25H32N2O3/c1-3-30-24(29)25(14-13-21-7-5-4-6-8-21)15-17-27(18-16-25)19-22-9-11-23(12-10-22)26-20(2)28/h4-12H,3,13-19H2,1-2H3,(H,26,28)


Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: To be determined

Shelf Life: >2 years if stored properly

Drug Formulation: To be determined

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 408.542 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1: Zyrianova T, Lopez B, Olcese R, Belperio J, Waters CM, Wong L, Nguyen V, Talapaneni S, Schwingshackl A. K2P2.1 (TREK-1) potassium channel activation protects against hyperoxia-induced lung injury. Sci Rep. 2020 Dec 15;10(1):22011. doi: 10.1038/s41598-020-78886-y. PMID: 33319831; PMCID: PMC7738539.

2: Lolicato M, Natale AM, Abderemane-Ali F, Crottès D, Capponi S, Duman R, Wagner A, Rosenberg JM, Grabe M, Minor DL Jr. K2P channel C-type gating involves asymmetric selectivity filter order-disorder transitions. Sci Adv. 2020 Oct 30;6(44):eabc9174. doi: 10.1126/sciadv.abc9174. PMID: 33127683; PMCID: PMC7608817.

3: Lolicato M, Arrigoni C, Mori T, Sekioka Y, Bryant C, Clark KA, Minor DL Jr. K2P2.1 (TREK-1)-activator complexes reveal a cryptic selectivity filter binding site. Nature. 2017 Jul 20;547(7663):364-368. doi: 10.1038/nature22988. Epub 2017 Jul 10. PMID: 28693035; PMCID: PMC5778891.

4: Pinello C, Guerrero M, Eberhart C, Volmar CH, Saldanha SA, Cayanan C, Urbano M, Brown SJ, Ferguson J, Gomes I, Devi LA, Roberts E, Hodder P, Rosen H. Characterization of an agonist probe for opioid receptor mu 1 (OPRM1)-opioid receptor delta 1 (OPRD1) heterodimerization. 2012 Dec 17 [updated 2013 Apr 5]. In: Probe Reports from the NIH Molecular Libraries Program [Internet]. Bethesda (MD): National Center for Biotechnology Information (US); 2010–. PMID: 23833799.


25.0mg / USD 350.0