PluriSIn#1 --- Pluripotent Cell-specific Inhibitor

Catalog No. size PriceQuantity
M60085-2S 2 mg solid $109
M60085-10S 10mg solid $431
M60085-100S 100mg solid $1,440


PluriSIn-1 is a potent small molecule to selectively eliminate human pluripotent stem cells/hPSCs while sparing a large array of tissue-specific stem/progenitor and differentiated cells. PluriSIn-1 was identified by a high-throughput screening against undifferentiated human ESCs. PluriSIn#1 induces ER stress, protein synthesis attenuation, and apoptosis in hPSCs specifically. Mechanistic characterizations uncovered that PluriSIn#1 is a specific inhibitor of stearoyl-coA desaturase (SCD1), the key enzyme in oleic acid biosynthesis, revealing a unique role for lipid metabolism in hPSCs. PluriSIn#1 is also cytotoxic to mouse blastocysts, indicating that the dependence on oleate is inherent to the pluripotent cells. Application of PluriSIn#1 prevented teratoma formation from tumorigenic undifferentiated cells. It can serve as a very useful reagent to enhance the safety of hPSC-based treatments and facilitate safe transplantation of larger cell numbers.

Product information

CAS Number: 91396-88-2

Molecular Weight: 213.24

Formula: C12H11N3O


NSC 14613



PluriSln 1


Chemical Name: N'-phenylisonicotinohydrazide

Smiles: O=C(NNC1C=CC=CC=1)C1C=CN=CC=1


InChi: InChI=1S/C12H11N3O/c16-12(10-6-8-13-9-7-10)15-14-11-4-2-1-3-5-11/h1-9,14H,(H,15,16)

Technical Data

Appearance: Solid Power.

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

Solubility: DMSO up to 100 mM

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined.

HS Tariff Code: 382200

How to use

In Vitro:

PluriSIn-1 was used at 10 µM final concentration in culture media for 4 days to eliminate ESCs or iPSCs.


  1. Ben-David U, et al. Selective Elimination of Human Pluripotent Stem Cells by an Oleate Synthesis Inhibitor Discovered in a High-Throughput Screen. (2013) Cell Stem Cell. In press.

Products are for research use only. Not for human use.


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