Direct Black 38 (free acid) structure

Direct Black 38 (free acid)

TL;DR: Direct Black 38 (free acid) (CAS 22244-14-0) is a chemical compound with molecular formula C34H27N9O7S2 and molecular weight 737.15 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

4-amino-3-[[4-[4-[(2,4-diaminophenyl)diazenyl]phenyl]phenyl]diazenyl]-5-hydroxy-6-phenyldiazenylnaphthalene-2,7-disulfonic acid

Also Known As: Chlorazol black, Ferristatin II, Direct Black 38 (free acid), C.I. Direct Black 38, Direct Black 38 free acid

CAS: 22244-14-0
Molecular Formula C34H27N9O7S2
Molecular Weight 737.15 g/mol
LogP 8.6986
Topological Polar Surface Area 281.19 Ų
Hydrogen Bond Donors 6
Hydrogen Bond Acceptors 14
Rotatable Bonds 9
Exact Mass 737.14746
Heavy Atoms 52
Complexity 2652.3254

Chemical Identifiers

CAS Number 22244-14-0
SMILES C1=CC=C(C=C1)N=NC2=C(C3=C(C(=C(C=C3C=C2S(=O)(=O)O)S(=O)(=O)O)N=NC4=CC=C(C=C4)C5=CC=C(C=C5)N=NC6=C(C=C(C=C6)N)N)N)O

Product Overview

Direct Black 38 (free acid) (CAS 22244-14-0), with molecular formula C34H27N9O7S2 and molecular weight 737.15 g/mol. IUPAC: 4-amino-3-[[4-[4-[(2,4-diaminophenyl)diazenyl]phenyl]phenyl]diazenyl]-5-hydroxy-6-phenyldiazenylnaphthalene-2,7-disulfonic 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 Direct Black 38 (free acid)

XLogP
8.6986
TPSA (Topological Polar Surface Area)
281.19
Hydrogen Bond Donors
6
Hydrogen Bond Acceptors
14
Rotatable Bonds
9
Heavy Atoms
52
Complexity
2652.3254
Exact Mass
737.14746
Monoisotopic Mass
737.14746
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 Direct Black 38 (free acid)

The XLogP value of 8.6986 indicates that Direct Black 38 (free acid) is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 281.19 Ų indicates high polarity, suggesting Direct Black 38 (free acid) may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Direct Black 38 (free acid) has 6 hydrogen bond donor(s) and 14 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 Direct Black 38 (free acid)?

The CAS number of Direct Black 38 (free acid) is 22244-14-0.

What is the molecular formula of Direct Black 38 (free acid)?

The molecular formula of Direct Black 38 (free acid) is C34H27N9O7S2.

What is the molecular weight of Direct Black 38 (free acid)?

The molecular weight of Direct Black 38 (free acid) is 737.15 g/mol.

Where can I buy Direct Black 38 (free acid)?

You can request a quote for Direct Black 38 (free acid) directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Direct Black 38 (free acid)?

Yes, KEHONG BIO provides custom synthesis services for Direct Black 38 (free acid) and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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