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

MedKoo CAT#: 558694

CAS#: 376616-73-8

Description: 2-HTP is a potent orthosteric and allosteric agonist of GPR84.

Chemical Structure

CAS# 376616-73-8

Theoretical Analysis

MedKoo Cat#: 558694
Name: 2-HTP
CAS#: 376616-73-8
Chemical Formula: C10H16N2O2S
Exact Mass: 228.09
Molecular Weight: 228.310
Elemental Analysis: C, 52.61; H, 7.06; N, 12.27; O, 14.02; S, 14.04

Price and Availability

Size Price Availability Quantity
5mg USD 265 2 Weeks
25mg USD 630 2 Weeks
Bulk inquiry

Synonym: 2HTP; 2 HTP; 2-HTP; ZQ16; ZQ 16; ZQ-16

IUPAC/Chemical Name: 2-(Hexylthio)pyrimidine-4,6 diol


InChi Code: InChI=1S/C10H16N2O2S/c1-2-3-4-5-6-15-10-11-8(13)7-9(14)12-10/h7H,2-6H2,1H3,(H2,11,12,13,14)


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

More Info:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 228.31 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
Formulation protocol:
In vitro protocol:
In vivo protocol:

Molarity Calculator

Calculate the mass, volume, or concentration required for a solution.

*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Dilution Calculator

Calculate the dilution required to prepare a stock solution.

1: Mancini SJ, Mahmud ZA, Jenkins L, Bolognini D, Newman R, Barnes M, Edye ME, McMahon SB, Tobin AB, Milligan G. On-target and off-target effects of novel orthosteric and allosteric activators of GPR84. Sci Rep. 2019 Feb 12;9(1):1861. doi: 10.1038/s41598-019-38539-1. PubMed PMID: 30755705; PubMed Central PMCID: PMC6372602.

2: Epe B, Ballmaier D, Adam W, Grimm GN, Saha-Möller CR. Photolysis of N-hydroxpyridinethiones: a new source of hydroxyl radicals for the direct damage of cell-free and cellular DNA. Nucleic Acids Res. 1996 May 1;24(9):1625-31. PubMed PMID: 8649978; PubMed Central PMCID: PMC145837.