MedKoo Cat#: 465542 | Name: RB-3

Description:

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

RB-3 is a novel inhibitor of polycomb repressive complex 1 (PRC1), directly binding to RING1B–BMI1, disrupting the interaction with nucleosomes, decreasing the global level of H2A ubiquitination and inducing differentiation in leukemia cell lines and primary acute myeloid leukemia (AML).

Chemical Structure

RB-3
RB-3
CAS#2396639-11-3

Theoretical Analysis

MedKoo Cat#: 465542

Name: RB-3

CAS#: 2396639-11-3

Chemical Formula: C24H20ClN3O2

Exact Mass: 417.1244

Molecular Weight: 417.89

Elemental Analysis: C, 68.98; H, 4.82; Cl, 8.48; N, 10.06; O, 7.66

Price and Availability

This product is currently not in stock but may be available through custom synthesis. To ensure cost efficiency, the minimum order quantity is 1 gram. The estimated lead time is 2 to 4 months, with pricing dependent on the complexity of the synthesis (typically high for intricate chemistries). Quotes for quantities below 1 gram will not be provided. To request a quote, please click the button below. Note: If this product becomes available in stock in the future, pricing will be listed accordingly.
Bulk Inquiry
Related CAS #
No Data
Synonym
RB-3; RB3; RB 3;
IUPAC/Chemical Name
3-(5-chloro-1H-indol-4-yl)-5-(1H-indol-4-yl)-4-isopropyl-1H-pyrrole-2-carboxylic acid
InChi Key
IUEFQUANJWCUNT-UHFFFAOYSA-N
InChi Code
InChI=1S/C24H20ClN3O2/c1-12(2)19-21(20-15-9-11-27-18(15)7-6-16(20)25)23(24(29)30)28-22(19)14-4-3-5-17-13(14)8-10-26-17/h3-12,26-28H,1-2H3,(H,29,30)
SMILES Code
O=C(C1=C(C2=C(Cl)C=CC3=C2C=CN3)C(C(C)C)=C(C4=CC=CC5=C4C=CN5)N1)O
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
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

Preparing Stock Solutions

The following data is based on the product molecular weight 417.89 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
1: Shukla S, Ying W, Gray F, Yao Y, Simes ML, Zhao Q, Miao H, Cho HJ, González- Alonso P, Winkler A, Lund G, Purohit T, Kim E, Zhang X, Ray JM, He S, Nikolaidis C, Ndoj J, Wang J, Jaremko Ł, Jaremko M, Ryan RJH, Guzman ML, Grembecka J, Cierpicki T. Small-molecule inhibitors targeting Polycomb repressive complex 1 RING domain. Nat Chem Biol. 2021 Jul;17(7):784-793. doi: 10.1038/s41589-021-00815-5. Epub 2021 Jun 21. PMID: 34155404; PMCID: PMC8238916.