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

MedKoo CAT#: 565162


Description: A-1165901 is a blocker of the activation of the TRPV1 channel by capsaicin, thereby inducing hypothermia involving tail-skin, vasodilation at thermoneutrality, as well as a decrease body temperature.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 565162
Name: A-1165901
Chemical Formula: C24H26FN3O3
Exact Mass: 423.1958
Molecular Weight: 423.49
Elemental Analysis: C, 68.07; H, 6.19; F, 4.49; N, 9.92; O, 11.33

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales @medkoo.com or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: A1165901; A-1165901; A 1165901

IUPAC/Chemical Name: 1-((R)-2,2-Diethyl-6-fluoro-chroman-4-yl)-3-(1-methyl-isoquinolon-5-yl)-urea


InChi Code: InChI=1S/C24H26FN3O3/c1-4-24(5-2)13-20(18-11-15(25)9-10-21(18)31-24)28-23(30)27-19-8-6-7-16-14(3)26-22(29)12-17(16)19/h6-11,20H,4-5,12-13H2,1-3H3,(H2,27,28,30)/t20-/m1/s1


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: Soluble in DMSO

Shelf Life: >3 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

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 423.49 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: Garami A, Pakai E, McDonald HA, Reilly RM, Gomtsyan A, Corrigan JJ, Pinter E, Zhu DXD, Lehto SG, Gavva NR, Kym PR, Romanovsky AA. TRPV1 antagonists that cause hypothermia, instead of hyperthermia, in rodents: Compounds' pharmacological profiles, in vivo targets, thermoeffectors recruited and implications for drug development. Acta Physiol (Oxf). 2018 Jul;223(3):e13038. doi: 10.1111/apha.13038. Epub 2018 Feb 16. PubMed PMID: 29352512; PubMed Central PMCID: PMC6032921.