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

MedKoo CAT#: 562616

CAS#: 548779-60-8

Description: IHR-1 is a cell-membrane-impermeable Smo antagonist.

Chemical Structure

CAS# 548779-60-8

Theoretical Analysis

MedKoo Cat#: 562616
Name: IHR-1
CAS#: 548779-60-8
Chemical Formula: C20H12Cl4N2O2
Exact Mass: 451.9653
Molecular Weight: 454.12
Elemental Analysis: C, 52.90; H, 2.66; Cl, 31.22; N, 6.17; O, 7.05

Price and Availability

Size Price Availability Quantity
50.0mg USD 450.0 2 Weeks
100.0mg USD 750.0 2 Weeks
200.0mg USD 1250.0 2 Weeks
500.0mg USD 1950.0 2 Weeks
1.0g USD 2850.0 2 Weeks
2.0g USD 4850.0 2 Weeks
5.0g USD 7450.0 2 Weeks
Bulk inquiry

Related CAS #: 548779-60-8  

Synonym: IHR-1; IHR 1; IHR1;

IUPAC/Chemical Name: N,N'-(1,4-phenylene)bis(2,5-dichlorobenzamide)


InChi Code: InChI=1S/C20H12Cl4N2O2/c21-11-1-7-17(23)15(9-11)19(27)25-13-3-5-14(6-4-13)26-20(28)16-10-12(22)2-8-18(16)24/h1-10H,(H,25,27)(H,26,28)

SMILES Code: ClC1=C(C(NC2=CC=C(NC(C3=CC(Cl)=CC=C3Cl)=O)C=C2)=O)C=C(Cl)C=C1

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: >2 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 454.12 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

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: Fan CW, Chen B, Franco I, Lu J, Shi H, Wei S, Wang C, Wu X, Tang W, Roth MG, Williams NS, Hirsch E, Chen C, Lum L. The Hedgehog pathway effector smoothened exhibits signaling competency in the absence of ciliary accumulation. Chem Biol. 2014 Dec 18;21(12):1680-9. doi: 10.1016/j.chembiol.2014.10.013. Epub 2014 Dec 4. Erratum in: Chem Biol. 2015 Apr 23;22(4):559. PubMed PMID: 25484239; PubMed Central PMCID: PMC4272670.


50.0mg / USD 450.0