Disperse Orange 37 - for microscopy , CAS No.13301-61-6

CAS: 13301-61-6 Cat. No.: D123843 Molecular Weight: 392.24 Beilstein Registry Number: 6348868 EC Number: 236-325-1
AVAILABLE TO ORDER
GRADE & PURITY for microscopy
Synonyms
Disperse Orange 37|13301-61-6|Disperse Orange 76|C.I. Disperse Orange 37|Disperse Orange 37|3-[4-[(2,6-dichloro-4-nitrophenyl)diazenyl]-N-ethylanilino]propanenitrile|12223-33-5|3-[{4-[(e)-(2,6-dichloro-4-nitrophenyl)diazenyl]phenyl}(ethyl)amino]propaneni
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
D123843-1g
2

$64.90

$76.90
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Why this grade

for microscopy for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Disperse Orange 37 | 13301-61-6 | Disperse Orange 76 | C.I. Disperse Orange 37 | Disperse Orange 37 | 3-[4-[(2, 6-dichloro-4-nitrophenyl)diazenyl]-N-ethylanilino]propanenitrile | 12223-33-5 | 3-[{4-[(e)-(2, 6-dichloro-4-nitrophenyl)diazenyl]phenyl}(ethyl)amino]propaneni
Specifications & Purity
for microscopy
Storage
Room temperature
Shipped In
Normal
Names and Identifiers
Pubchem Sid504755667
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504755667
Canonical SmilesCCN(CCC#N)C1=CC=C(C=C1)N=NC2=C(C=C(C=C2Cl)[N+](=O)[O-])Cl
IUPAC Name3-[4-[(2,6-dichloro-4-nitrophenyl)diazenyl]-N-ethylanilino]propanenitrile
InChIKeyKHZRTXVUEZJYNE-UHFFFAOYSA-N
INCHI1S/C17H15Cl2N5O2/c1-2-23(9-3-8-20)13-6-4-12(5-7-13)21-22-17-15(18)10-14(24(25)26)11-16(17)19/h4-7,10-11H,2-3,9H2,1H3
Isomeric SMILES CCN(CCC#N)C1=CC=C(C=C1)N=NC2=C(C=C(C=C2Cl)[N+](=O)[O-])Cl
WGK Germany 3
Molecular Weight 392.24
Beilstein 6348868
Reaxy-Rn 1845235
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1845235&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

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✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassAzobenzenes
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentAzobenzenes
Alternative Parents Nitrobenzenes  Nitroaromatic compounds  Dichlorobenzenes  Dialkylarylamines  Aniline and substituted anilines  Aryl chlorides  Azo compounds  Propargyl-type 1,3-dipolar organic compounds  Organic oxoazanium compounds  Nitriles  Organopnictogen compounds  Organochlorides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Azobenzene - Nitrobenzene - 1,3-dichlorobenzene - Nitroaromatic compound - Tertiary aliphatic/aromatic amine - Dialkylarylamine - Aniline or substituted anilines - Chlorobenzene - Halobenzene - Benzenoid - Aryl chloride - Aryl halide - Monocyclic benzene moiety - Organic nitro compound - Tertiary amine - Azo compound - C-nitro compound - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Allyl-type 1,3-dipolar organic compound - Organic oxoazanium - Carbonitrile - Nitrile - Organic oxide - Organic oxygen compound - Organic nitrogen compound - Amine - Organohalogen compound - Organochloride - Organonitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as azobenzenes. These are organonitrogen aromatic compounds that contain a central azo group, where each nitrogen atom is conjugated to a benzene ring.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

4 results found

Lot NumberCertificate TypeDateItem
D1411046Certificate of AnalysisNov 10, 2025 D123843
J2228403Certificate of AnalysisSep 06, 2022 D123843
I2203161Certificate of AnalysisAug 02, 2022 D123843
D2313801Certificate of AnalysisFeb 21, 2022 D123843
Chemical and Physical Properties
Molecular Weight392.200 g/mol
XLogP35.000
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count6
Rotatable Bond Count6
Exact Mass391.06 Da
Monoisotopic Mass391.06 Da
Topological Polar Surface Area97.600 Ų
Heavy Atom Count26
Formal Charge0
Complexity527.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Junjie Huang, Dongxia Yan, Huixian Dong, Fei Li, Xingmei Lu, Jiayu Xin.  (2021)  Removal of trace amount impurities in glycolytic monomer of polyethylene terephthalate by recrystallization.  Journal of Environmental Chemical Engineering,      [PMID:] [10.1016/j.jece.2021.106277]
Solution Calculators
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