DiOC₂(3) - ≥98% , CAS No.905-96-4

CAS: 905-96-4 Cat. No.: D131350 Molecular Weight: 460.308 EC Number: 212-996-6 PubChem CID: 6432767
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
DOCI dye | 3,3'-Diethyloxacarbocyanine (iodide) | PD165419 | 3,3'-DiethyloxacarbocyanineIodide | Q27104798 | CYA1 [3,3-diethyloxacarbo] | LS-14864 | 3-Ethyl-2-(3-(3-ethylbenzo[d]oxazol-2(3H)-ylidene)prop-1-en-1-yl)benzo[d]oxazol-3-ium iodide | 3,3'-Diethy
Storage
Protected from light,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
200mg
D131350-200mg
2

$22.90

$34.90
Save $12.00 (34.38%)
1g
D131350-1g
3

$84.90

$127.90
Save $43.00 (33.62%)
5g
D131350-5g
1

$360.90

$541.90
Save $181.00 (33.40%)
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

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

📚

Literature proof

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

Overview

DOCI may act as a microviscosity probe for micelles and microemulsions

Specifications

Synonyms
DOCI dye | 3, 3'-Diethyloxacarbocyanine (iodide) | PD165419 | 3, 3'-DiethyloxacarbocyanineIodide | Q27104798 | CYA1 [3, 3-diethyloxacarbo] | LS-14864 | 3-Ethyl-2-(3-(3-ethylbenzo[d]oxazol-2(3H)-ylidene)prop-1-en-1-yl)benzo[d]oxazol-3-ium iodide | 3, 3'-Diethy
Specifications & Purity
≥98%
Storage
Protected from light, Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid504764147
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504764147
Canonical SmilesCCN1C2=CC=CC=C2OC1=CC=CC3=[N+](C4=CC=CC=C4O3)CC.[I-]
IUPAC Name(2E)-3-ethyl-2-[(E)-3-(3-ethyl-1,3-benzoxazol-3-ium-2-yl)prop-2-enylidene]-1,3-benzoxazole;iodide
InChIKeyFIZZUEJIOKEFFZ-UHFFFAOYSA-M
INCHI1S/C21H21N2O2.HI/c1-3-22-16-10-5-7-12-18(16)24-20(22)14-9-15-21-23(4-2)17-11-6-8-13-19(17)25-21;/h5-15H,3-4H2,1-2H3;1H/q+1;/p-1
Isomeric SMILES CCN\1C2=CC=CC=C2O/C1=C/C=C/C3=[N+](C4=CC=CC=C4O3)CC.[I-]
WGK Germany 3
Alternate CAS 37069-75-3(Free Base)
PubChem CID 6432767
Molecular Weight 460.308
Reaxy-Rn 3898542

Documentation

📋 Safety Data Sheet (SDS)

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

Download SDS →

✅ Certificate of Analysis (COA)

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

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassBenzoxazolines
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzoxazolines
Alternative Parents Benzoxazoles  Benzenoids  Oxazoles  Heteroaromatic compounds  Ketene acetals  Oxacyclic compounds  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organic iodide salts  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Benzoxazole - Benzoxazoline - Benzenoid - Azole - Oxazole - Heteroaromatic compound - Ketene acetal or derivatives - Oxacycle - Azacycle - Organic iodide salt - Organic salt - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzoxazolines. These are organic compounds containing a benzene ring fused to an oxazoline ring. Oxazoline is five-membered unsaturated ring with a nitrogen atom and an oxygen atom at the 1- and 3-position, respectively. Additionally, it contains two double bonds.
External Descriptors cyanine dye - organic iodide salt - 1,3-benzoxazoles
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.

8 results found

Lot NumberCertificate TypeDateItem
F2611167Certificate of AnalysisJun 16, 2026 D131350
J2213566Certificate of AnalysisApr 03, 2026 D131350
J2213626Certificate of AnalysisApr 03, 2026 D131350
J2213775Certificate of AnalysisApr 03, 2026 D131350
J2524024Certificate of AnalysisNov 03, 2025 D131350
C2218018Certificate of AnalysisOct 11, 2025 D131350
G2405203Certificate of AnalysisMar 22, 2024 D131350
G2208146Certificate of AnalysisJul 13, 2022 D131350
Chemical and Physical Properties
Sensitivitylight sensitive
Melt Point(°C)276°C
Molecular Weight460.300 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count4
Exact Mass460.065 Da
Monoisotopic Mass460.065 Da
Topological Polar Surface Area29.500 Ų
Heavy Atom Count26
Formal Charge0
Complexity474.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count2
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds2
Covalently-Bonded Unit Count2
Citations of This Product
References
1. Jiadai Zhai, Shucheng Li, Lin Fu, Chuang Li, Bingxia Sun, Feng Sang, Hongliang Liu.  (2022)  Structural modification and antibacterial property studies of natural chalcone sanjuanolide..  Frontiers in Chemistry,      [PMID:35991609] [10.3389/fchem.2022.959250]
Solution Calculators
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