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

MedKoo CAT#: 556220

CAS#: 849662-80-2

Description: Y134 is a selective estrogen receptor modulator (SERM), selective for ERα.

Chemical Structure

CAS# 849662-80-2

Theoretical Analysis

MedKoo Cat#: 556220
Name: Y-134
CAS#: 849662-80-2
Chemical Formula: C28H28N2O3S
Exact Mass: 472.18
Molecular Weight: 472.603
Elemental Analysis: C, 71.16; H, 5.97; N, 5.93; O, 10.16; S, 6.78

Price and Availability

Size Price Availability Quantity
50mg USD 950 2 Weeks
100mg USD 1650 2 Weeks
200mg USD 2950 2 Weeks
Bulk inquiry

Synonym: Y-134; Y 134; Y134;

IUPAC/Chemical Name: [6-Hydroxy-2-(4-hydroxyphenyl)benzo[b]thien-3-yl]-[4-[4-(1-methylethyl)-1-piperazinyl]phenyl]methanone


InChi Code: InChI=1S/C28H28N2O3S/c1-18(2)29-13-15-30(16-14-29)21-7-3-19(4-8-21)27(33)26-24-12-11-23(32)17-25(24)34-28(26)20-5-9-22(31)10-6-20/h3-12,17-18,31-32H,13-16H2,1-2H3

SMILES Code: O=C(C1=C(C2=CC=C(O)C=C2)SC3=CC(O)=CC=C31)C4=CC=C(N5CCN(C(C)C)CC5)C=C4

Appearance: To be determined

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

More Info:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 472.60 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.

Getter T, Suh S, Hoang T, Handa JT, Dong Z, Ma X, Chen Y, Blackshaw S, Palczewski K. The selective estrogen receptor modulator raloxifene mitigates the effect of all-trans-retinal toxicity in photoreceptor degeneration. J Biol Chem. 2019 Jun 14;294(24):9461-9475. doi: 10.1074/jbc.RA119.008697. Epub 2019 May 9. PMID: 31073029; PMCID: PMC6579480.