Rifamycin S structure

Rifamycin S

TL;DR: Rifamycin S (CAS 13553-79-2) is a chemical compound with molecular formula C37H45NO12 and molecular weight 695.29 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

[(7S,11S,12R,13S,14R,15R,16R,17S,18S)-2,15,17-trihydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23,27,29-tetraoxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(28),2,4,9,19,21,25-heptaen-13-yl] acetate

Also Known As: Rifamycin S, Cyclopropane carbonyl chloride

CAS: 13553-79-2
Molecular Formula C37H45NO12
Molecular Weight 695.29 g/mol
LogP 4.1
Topological Polar Surface Area 195.0 Ų
Hydrogen Bond Donors 4
Hydrogen Bond Acceptors 12
Rotatable Bonds 3
Exact Mass 695.2942
Heavy Atoms 50
Complexity 1480.0

Chemical Identifiers

CAS Number 13553-79-2
SMILES C[C@H]1C=CC=C(C(=O)NC2=CC(=O)C3=C(C2=O)C(=C(C4=C3C(=O)[C@](O4)(OC=C[C@@H]([C@H]([C@H]([C@@H]([C@@H]([C@@H]([C@H]1O)C)O)C)OC(=O)C)C)OC)C)C)O)C
InChIKey BTVYFIMKUHNOBZ-OSIZACAASA-N

Product Overview

Rifamycin S (CAS 13553-79-2), with molecular formula C37H45NO12 and molecular weight 695.29 g/mol. IUPAC: [(7S,11S,12R,13S,14R,15R,16R,17S,18S)-2,15,17-trihydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23,27,29-tetraoxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(28),2,4,9,19,21,25-heptaen-13-yl] acetate.

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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 Rifamycin S

XLogP
4.1
TPSA (Topological Polar Surface Area)
195.0
Hydrogen Bond Donors
4
Hydrogen Bond Acceptors
12
Rotatable Bonds
3
Heavy Atoms
50
Complexity
1480.0
Exact Mass
695.2942
Monoisotopic Mass
695.2942
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 Rifamycin S

The XLogP value of 4.1 indicates that Rifamycin S is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 195.0 Ų indicates high polarity, suggesting Rifamycin S may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Rifamycin S has 4 hydrogen bond donor(s) and 12 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 Rifamycin S?

The CAS number of Rifamycin S is 13553-79-2.

What is the molecular formula of Rifamycin S?

The molecular formula of Rifamycin S is C37H45NO12.

What is the molecular weight of Rifamycin S?

The molecular weight of Rifamycin S is 695.29 g/mol.

Where can I buy Rifamycin S?

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

Does KEHONG BIO offer custom synthesis for Rifamycin S?

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

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