CI Direct Orange 37 structure

CI Direct Orange 37

TL;DR: CI Direct Orange 37 (CAS 1325-61-7) is a chemical compound with molecular formula C28H24N5NaO14S3 and molecular weight 773.04 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

sodium;3-[(4-amino-5-methoxy-2-methylphenyl)diazenyl]benzenesulfonate;5-nitro-2-[(E)-2-(4-nitro-2-sulfophenyl)ethenyl]benzenesulfonic acid

Also Known As: CI Direct Orange 37, C.I. Direct Orange 37, EINECS 215-400-2, Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-nitro-, reaction products with 3-((4-amino-5-methoxy-2-methylphenyl)azo)benzenesulfonic acid monosodium salt, Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-nitro-, reaction products with 3-[(4-amino-5-methoxy-2-methylphenyl)azo]benzenesulfonic acid monosodium salt

CAS: 1325-61-7
Molecular Formula C28H24N5NaO14S3
Molecular Weight 773.04 g/mol
LogP 2.07612
Topological Polar Surface Area 312.19 Ų
Hydrogen Bond Donors 3
Hydrogen Bond Acceptors 15
Rotatable Bonds 10
Exact Mass 773.03796
Heavy Atoms 51
Complexity 2290.1782

Chemical Identifiers

CAS Number 1325-61-7
SMILES CC1=CC(=C(C=C1N=NC2=CC(=CC=C2)S(=O)(=O)[O-])OC)N.C1=CC(=C(C=C1[N+](=O)[O-])S(=O)(=O)O)/C=C/C2=C(C=C(C=C2)[N+](=O)[O-])S(=O)(=O)O.[Na+]

Product Overview

CI Direct Orange 37 (CAS 1325-61-7), with molecular formula C28H24N5NaO14S3 and molecular weight 773.04 g/mol. IUPAC: sodium;3-[(4-amino-5-methoxy-2-methylphenyl)diazenyl]benzenesulfonate;5-nitro-2-[(E)-2-(4-nitro-2-sulfophenyl)ethenyl]benzenesulfonic 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 CI Direct Orange 37

XLogP
2.07612
TPSA (Topological Polar Surface Area)
312.19
Hydrogen Bond Donors
3
Hydrogen Bond Acceptors
15
Rotatable Bonds
10
Heavy Atoms
51
Complexity
2290.1782
Exact Mass
773.03796
Monoisotopic Mass
773.03796
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 CI Direct Orange 37

The XLogP value of 2.07612 suggests moderate lipophilicity, balancing water solubility and membrane permeability for CI Direct Orange 37. The TPSA of 312.19 Ų indicates high polarity, suggesting CI Direct Orange 37 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, CI Direct Orange 37 has 3 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 CI Direct Orange 37?

The CAS number of CI Direct Orange 37 is 1325-61-7.

What is the molecular formula of CI Direct Orange 37?

The molecular formula of CI Direct Orange 37 is C28H24N5NaO14S3.

What is the molecular weight of CI Direct Orange 37?

The molecular weight of CI Direct Orange 37 is 773.04 g/mol.

Where can I buy CI Direct Orange 37?

You can request a quote for CI Direct Orange 37 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for CI Direct Orange 37?

Yes, KEHONG BIO provides custom synthesis services for CI Direct Orange 37 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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