MedKoo Cat#: 532153 | Name: LY262691

Description:

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

LY262691 is a selective CCKB antagonist, which decreases midbrain dopamine unit activity.

Chemical Structure

LY262691
LY262691
CAS#138932-35-1

Theoretical Analysis

MedKoo Cat#: 532153

Name: LY262691

CAS#: 138932-35-1

Chemical Formula: C22H18BrN3O2

Exact Mass: 435.0582

Molecular Weight: 436.31

Elemental Analysis: C, 60.56; H, 4.16; Br, 18.31; N, 9.63; O, 7.33

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.
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Related CAS #
No Data
Synonym
LY262691; LY 262691; LY-262691.
IUPAC/Chemical Name
(4S,5R)-N-(4-bromophenyl)-3-oxo-4,5-diphenylpyrazolidine-1-carboxamide
InChi Key
LMUQHXHWJWQXSD-PMACEKPBSA-N
InChi Code
InChI=1S/C22H18BrN3O2/c23-17-11-13-18(14-12-17)24-22(28)26-20(16-9-5-2-6-10-16)19(21(27)25-26)15-7-3-1-4-8-15/h1-14,19-20H,(H,24,28)(H,25,27)/t19-,20-/m0/s1
SMILES Code
O=C(N1NC([C@@H](C2=CC=CC=C2)[C@@H]1C3=CC=CC=C3)=O)NC4=CC=C(Br)C=C4
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
More Info

Preparing Stock Solutions

The following data is based on the product molecular weight 436.31 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
1: Rasmussen K, Howbert JJ, Stockton ME. Inhibition of A9 and A10 dopamine cells by the cholecystokinin-B antagonist LY262691: mediation through feedback pathways from forebrain sites. Synapse. 1993 Oct;15(2):95-103. PubMed PMID: 8259526. 2: Rasmussen K, Stockton ME, Czachura JF, Howbert JJ. Cholecystokinin (CCK) and schizophrenia: the selective CCKB antagonist LY262691 decreases midbrain dopamine unit activity. Eur J Pharmacol. 1991 Dec 10;209(1-2):135-8. PubMed PMID: 1687681.