C.I. Direct Brown 101 structure

C.I. Direct Brown 101

TL;DR: C.I. Direct Brown 101 (CAS 25180-44-3) is a chemical compound with molecular formula C36H24N6O9S and molecular weight 716.13 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

5-[[4-[4-[[4-[(3-carboxy-4-hydroxyphenyl)diazenyl]-6-sulfonaphthalen-1-yl]diazenyl]phenyl]phenyl]diazenyl]-2-hydroxybenzoic acid

Also Known As: Benzo Chrome Brown LG, C.I. Direct Brown 101, C.I. 31740, C.I. Direct Brown 101, (*Trisodium salt*), 5-[(E)-[4-[4-[(E)-[4-[(E)-(3-carboxy-4-hydroxy-phenyl)azo]-6-sulfo-1-naphthyl]azo]phenyl]phenyl]azo]-2-hydroxy-benzoic acid

CAS: 25180-44-3
Molecular Formula C36H24N6O9S
Molecular Weight 716.13 g/mol
LogP 8.3
Topological Polar Surface Area 252.0 Ų
Hydrogen Bond Donors 5
Hydrogen Bond Acceptors 15
Rotatable Bonds 10
Exact Mass 716.13257
Heavy Atoms 52
Complexity 1430.0

Chemical Identifiers

CAS Number 25180-44-3
SMILES C1=CC(=CC=C1C2=CC=C(C=C2)N=NC3=C4C=CC(=CC4=C(C=C3)N=NC5=CC(=C(C=C5)O)C(=O)O)S(=O)(=O)O)N=NC6=CC(=C(C=C6)O)C(=O)O
InChIKey AUTINFVSBXCWKB-UHFFFAOYSA-N

Product Overview

C.I. Direct Brown 101 (CAS 25180-44-3), with molecular formula C36H24N6O9S and molecular weight 716.13 g/mol. IUPAC: 5-[[4-[4-[[4-[(3-carboxy-4-hydroxyphenyl)diazenyl]-6-sulfonaphthalen-1-yl]diazenyl]phenyl]phenyl]diazenyl]-2-hydroxybenzoic acid.

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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 C.I. Direct Brown 101

XLogP
8.3
TPSA (Topological Polar Surface Area)
252.0
Hydrogen Bond Donors
5
Hydrogen Bond Acceptors
15
Rotatable Bonds
10
Heavy Atoms
52
Complexity
1430.0
Exact Mass
716.13257
Monoisotopic Mass
716.13257
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 C.I. Direct Brown 101

The XLogP value of 8.3 indicates that C.I. Direct Brown 101 is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 252.0 Ų indicates high polarity, suggesting C.I. Direct Brown 101 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, C.I. Direct Brown 101 has 5 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 C.I. Direct Brown 101?

The CAS number of C.I. Direct Brown 101 is 25180-44-3.

What is the molecular formula of C.I. Direct Brown 101?

The molecular formula of C.I. Direct Brown 101 is C36H24N6O9S.

What is the molecular weight of C.I. Direct Brown 101?

The molecular weight of C.I. Direct Brown 101 is 716.13 g/mol.

Where can I buy C.I. Direct Brown 101?

You can request a quote for C.I. Direct Brown 101 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for C.I. Direct Brown 101?

Yes, KEHONG BIO provides custom synthesis services for C.I. Direct Brown 101 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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