DICYANINE A
6 Inquiries
20591-23-5
2026-06-30
Intermediates,Building blocks,API,Silicones,Peptides,Lab chemicals
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Product Description
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Seller Information
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Inquiry History
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DescriptionHANGZHOU LEAP CHEM CO., LTD., with approximately 1793801 visits to its shop, is a reputable Trader that has been providing DICYANINE A products for 5 years on ECHEMI.Basic Info
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Product Name:
Quinolinium, 1-ethyl-2-[3-(1-ethyl-4(1H)-quinolinylidene)-1-propen-1-yl]-, iodide (1:1)
Other Name:Quinolinium,1-ethyl-2-[3-(1-ethyl-4(1H)-quinolinylidene)-1-propen-1-yl]-,iodide (1:1);Quinolinium,1-ethyl-2-[3-(1-ethyl-4(1H)-quinolylidene)propenyl]-,iodide;Quinolinium,1-ethyl-2-[3-(1-ethyl-4(1H)-quinolinylidene)-1-propenyl]-,iodide;Dicyanine A;1,1′-Diethyl-2,4′-carbocyanine iodide;NK 138;NK 138 (cyanine dye);DCI;DCI 2;LC 5950;119883-52-2;90597-82-3
CAS No.:20591-23-5
Molecular Formula:C25H25N2.I
InChIKeys:InChIKey=AIUPVZRNWAATQJ-UHFFFAOYSA-M
Molecular Weight:353.5 g/mol
Exact Mass:353.201773806 g/mol
EC Number:243-897-6
Categories:
Characteristics-
PSA:
7.1 Ų
Melting Point:240-241 °C (decomp)
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Seller Information
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Business Type:
Trader
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Main Products:
Intermediates,Building blocks,API,Silicones,Peptides,Lab chemicals
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Location:
Room A, 23rd Floor, No. 609 Yan'an Road, Gongshu District, Hangzhou, Zhejiang
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Payment Terms:
TT against copy of documents,D/P,L/C
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Average lead Time:
5
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Total Annual Revenue:
Above $100 million
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Year of Establishment:
2020
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Certifications:
ISO
">Company ProfileLEAPChem is a specialized fine chemical supplier for research, development and production.
LEAPChem provides nearly 200,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities.
As a highly customer-oriented enterprise, we are committed to providing high-quality customer services and products to our global customers in a cost-effective and efficient manner.
Our client list includes many major pharmaceutical and science companies, universities, research institutions and chemical catalogue companies.
Methodology: Sound & Stable; Active & Innovative.
Attitude: Conscientious; Ingenious.
Goals: Customer's Satisfaction
We regard client's success as our success.
At LEAPChem, we strive to be the preferred supplier for efficiency increasing and cost lowering in your Research & Production.
To achieve this strategic vision, we always push ourselves to exceed our customer's requirement. By focusing on the aim of 'Beyond Your Expectation', we continually expand our product lines, and enhance our systematic management and human resources.
Welcome to contact us and we look forward to becoming your reliable and preferred partner.
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Inquiry History6 Inquiries
Country Product Purchase Quantity Date Posted 
Poland
Dicyanine A
10 G May 23, 2026 
India
dicyanine a
3 L Jun 22, 2025 
Germany
Quinolinium, 1-ethyl-2-[3-(1-ethyl-4(1H)-quinolinylidene)-1-propen-1-yl]-, iodide (1:1)
5 G Feb 2, 2024 
Slovakia
Dicyanine A
1 KG Jun 9, 2025
Slovakia
Dicyanine A
1 KG Jun 7, 2025 
United States
Kindchem DICYANINE A
50 G Dec 3, 2024 Post an enquiry for this product