KS-133 | CAS# | VIPR2 antagonist

MedKoo Cat#: 208018 | Name: KS-133

Description:

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

KS-133 is a novel potent and selective VIPR2 antagonist, counteracting cognitive decline in a mouse model of psychiatric disorders.

Chemical Structure

KS-133

CAS#N/A

Theoretical Analysis

MedKoo Cat#: 208018

Name: KS-133

CAS#: N/A

Chemical Formula: C75H111N15O17S2

Exact Mass: 1557.7724

Molecular Weight: 1557.77

Elemental Analysis: C, 57.79; H, 7.18; N, 13.48; O, 17.45; S, 4.11

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

KS-133; KS 133; KS 133;

IUPAC/Chemical Name

(6R,11R,14R,22S,24aR,30S,33S,35aS,40aS,43S,46S)-6-acetamido-N-((S)-1-(((2R,3R)-1-amino-3-methyl-1-oxopentan-2-yl)amino)-4-methyl-1-oxopentan-2-yl)-33,43-bis(4-hydroxybenzyl)-30,46-diisobutyl-5,12,16,24,29,32,35,40,41,44,47-undecaoxotetratriacontahydro-1H,5H,10H,29H-11,22-(epiminoethanoiminoethanoiminomethano)tripyrrolo[1,2-f:1',2'-i:1'',2''-r][1,2]dithia[6,9,12,15,18,21,27,31]octaazacyclotetratriacontine-14-carboxamide

InChi Key

FCYHSMMFZBVBRY-DANBRWBZSA-N

InChi Code

InChI=1S/C75H111N15O17S2/c1-10-43(8)62(63(76)95)87-69(101)51(33-41(4)5)81-68(100)54-37-61(94)77-28-12-11-16-49-64(96)82-52(35-45-20-24-47(92)25-21-45)66(98)80-50(32-40(2)3)65(97)86-56(70(102)83-54)38-108-109-39-57(78-44(9)91)74(106)90-31-15-19-60(90)75(107)89-30-14-18-59(89)72(104)84-53(36-46-22-26-48(93)27-23-46)67(99)85-55(34-42(6)7)73(105)88-29-13-17-58(88)71(103)79-49/h20-27,40-43,49-60,62,92-93H,10-19,28-39H2,1-9H3,(H2,76,95)(H,77,94)(H,78,91)(H,79,103)(H,80,98)(H,81,100)(H,82,96)(H,83,102)(H,84,104)(H,85,99)(H,86,97)(H,87,101)/t43-,49+,50+,51+,52+,53+,54-,55+,56+,57+,58-,59+,60+,62-/m1/s1

SMILES Code

OC1=CC=C(C[C@@H](C(N[C@H](C(N2[C@@H](C(N[C@@H](CCCCNC(C[C@H](C(N[C@@H](CC(C)C)C(N[C@@H](C(N)=O)[C@H](C)CC)=O)=O)NC3=O)=O)C(N[C@@H](CC4=CC=C(O)C=C4)C(N[C@H]5CC(C)C)=O)=O)=O)CCC2)=O)CC(C)C)=O)NC([C@H]6N(C([C@H]7N(C([C@H](CSSC[C@@H]3NC5=O)NC(C)=O)=O)CCC7)=O)CCC6)=O)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

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

Instruction

View handling instruction

Preparing Stock Solutions

The following data is based on the product molecular weight 1,557.77 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.

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. Sakamoto K, Chen L, Miyaoka T, Yamada M, Masutani T, Ishimoto K, Hino N, Nakagawa S, Asano S, Ago Y. Generation of KS-133 as a Novel Bicyclic Peptide with a Potent and Selective VIPR2 Antagonist Activity that Counteracts Cognitive Decline in a Mouse Model of Psychiatric Disorders. Front Pharmacol. 2021 Nov 4;12:751587. doi: 10.3389/fphar.2021.751587. PMID: 34819858; PMCID: PMC8607231.