ANTAG III structure

ANTAG III

TL;DR: ANTAG III (CAS 161185-17-7) is a chemical compound with molecular formula C51H77N15O11S3 and molecular weight 1171.51 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(2S)-N-[(2S)-1-[(2-amino-2-oxoethyl)amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]-1-[(10R,13S,16S,19S,22R)-13-(2-amino-2-oxoethyl)-16-(3-amino-3-oxopropyl)-19-[(2S)-butan-2-yl]-22-(1H-indol-3-ylmethyl)-9,9-dimethyl-12,15,18,21,24-pentaoxo-3,7,8-trithia-11,14,17,20,23-pentazaspiro[5.19]pentacosane-10-carbonyl]pyrrolidine-2-carboxamide

Also Known As: ANTAG III, ANTAG-III, TT 235, 1-PMP(S)-2-Trp-6-Pen-8-Arg-oxytocin, (PMP(S)(1),Trp(2),Pen(6),Arg(8))-oxytocin

CAS: 161185-17-7
Molecular Formula C51H77N15O11S3
Molecular Weight 1171.51 g/mol
LogP -1.7182
Topological Polar Surface Area 433.47 Ų
Hydrogen Bond Donors 13
Hydrogen Bond Acceptors 15
Rotatable Bonds 19
Exact Mass 1171.5089
Heavy Atoms 80
Complexity 2644.0996

Chemical Identifiers

CAS Number 161185-17-7
SMILES CC[C@H](C)[C@H]1C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](C(SSC2(CCSCC2)CC(=O)N[C@@H](C(=O)N1)CC3=CNC4=CC=CC=C43)(C)C)C(=O)N5CCC[C@H]5C(=O)N[C@@H](CCCN=C(N)N)C(=O)NCC(=O)N)CC(=O)N)CCC(=O)N

Product Overview

ANTAG III (CAS 161185-17-7), with molecular formula C51H77N15O11S3 and molecular weight 1171.51 g/mol. IUPAC: (2S)-N-[(2S)-1-[(2-amino-2-oxoethyl)amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]-1-[(10R,13S,16S,19S,22R)-13-(2-amino-2-oxoethyl)-16-(3-amino-3-oxopropyl)-19-[(2S)-butan-2-yl]-22-(1H-indol-3-ylmethyl)-9,9-dimethyl-12,15,18,21,24-pentaoxo-3,7,8-trithia-11,14,17,20,23-pentazaspiro[5.19]pentacosane-10-carbonyl]pyrrolidine-2-carboxamide.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
View MSDS →

Chemical Property Profile of ANTAG III

XLogP
-1.7182
TPSA (Topological Polar Surface Area)
433.47
Hydrogen Bond Donors
13
Hydrogen Bond Acceptors
15
Rotatable Bonds
19
Heavy Atoms
80
Complexity
2644.0996
Exact Mass
1171.5089
Monoisotopic Mass
1171.5089
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of ANTAG III

The XLogP value of -1.7182 indicates that ANTAG III is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 433.47 Ų indicates high polarity, suggesting ANTAG III may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, ANTAG III has 13 hydrogen bond donor(s) and 15 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.

Frequently Asked Questions

What is the typical lead time for this product?
Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.
Can you provide samples for testing?
Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.
What documentation do you provide with the product?
We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

Frequently Asked Questions

What is the CAS number of ANTAG III?

The CAS number of ANTAG III is 161185-17-7.

What is the molecular formula of ANTAG III?

The molecular formula of ANTAG III is C51H77N15O11S3.

What is the molecular weight of ANTAG III?

The molecular weight of ANTAG III is 1171.51 g/mol.

Where can I buy ANTAG III?

You can request a quote for ANTAG III directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for ANTAG III?

Yes, KEHONG BIO provides custom synthesis services for ANTAG III and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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