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Identify Suppliers 2026 Properties Safty ☰

Identify Suppliers 2026 Properties Safty

2,3-Indolinedione

BGC Id:	840774688383
CAS No:	91-56-5
Synonyms:	isatin,98% ; lsatin ; pseudoisatin ; isatine ; isatin ; nsc 9262 ; isatingr ; 2,3-indoledione ; indoquinone ; isotin
Molecular Formula:	C8H5NO2
Molecular Weight:	147.13
EINECS:	202-077-8

Listed are 5 international and reliable suppliers for 2,3-Indolinedione. They are coming from 2 countries around the world. These vendors belong to 5 different business types like 'Bulk chemical supplier' and 'Supplier of chemical products'
Please contact all the below listed distributors/manufacturers for 2,3-Indolinedione and ask for prices, package standards and transport possibilities. Our registered distributors will help you to get all necessary information and product specifications.

registered suppliers of 2,3-Indolinedione worldwide

Verified providers in 2026

The following 5 notable providers have been checked and can be recommended.

Klaus F. Meyer

Xiamen Hisunny Chemical

Molecular Formula : C8H5NO2

Win-Win Chemical

Purity : 0.98 Chemical Formula : C8H5NO2 Molecular Weight (g/mol) : 147.13 Delivery time : 5Day(s) Application : For R&D Appearance : Orange Powder

BIOZOL Diagnostica Vertrieb

BuGuCh & Partners

What other providers are available for CAS 91-56-5?

The last intensive check and update was carried out on 2026/06/11.

Identify

Synonyms:

isatin,98% ; lsatin ; pseudoisatin ; isatine ; isatin ; nsc 9262 ; isatingr ; 2,3-indoledione ; indoquinone ; isotin

CAS:

91-56-5

EINECS:

202-077-8

Molecular Formula:

C8H5NO2

MDL:

MFCD00005718

Properties

Molecular Weight:

147.13 g·mol−1

Melting point:

193-195 °C (dec.)(lit.)

Flash point:

220 °C

Suppliers

Klaus F. Meyer GmbH

Company type: Internat. trading company

Established in 1982, the company Klaus F. Meyer GmbH (KFM) based in Fussgoenheim developed from a one-man business to a renowned supplier of chemical raw materials, fine chemicals, chemical intermediates and chemical specialties for the pharmaceuticals, photographic, agricultural, paints & coatings, fragrances, cosmetic, textile and general chemical industry. Klaus F. Meyer GmbH is a seller of m-Chloroaniline. 2005 KFM founded an own office in Shanghai-Puxi, China where two Chinese employees are successfully sourcing chemical ...

Country: Germany Phone: +49-6237-2023 Telefax: +49-6237-2026

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Xiamen Hisunny Chemical Co., Ltd.

Company type: Leading producer

Country: P.R.China
Phone: +86-592-3327115
Telefax: +86-592-5823596

Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop producing and selling high quality intermediates, Fine chemicals and Specialty Chemicals. We could give you: 1.Best quality in your requirement 2.Competitive price in China market 3.mature Technical support 4.Professional logistic support All we want is win-win business. 5,10-Dimethyldihydrophenazine will be also provided by us. Send yr. inquiries, you will get it!

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Win-Win Chemical Co., Limited

Established in 2007, Win-Win chemical CO., Ltd was set up by Professor of Zhejiang University, Wenzhou University and Shanghai Science and Technology University which is located in Longwan Industry District, Wenzhou, China. We have high-tech research capability, and advanced production and inspecting equipment. We are supplier of 2-Bromo-6-chlorobenzotrifluoride. We are especially engaged in customize production of aromatic fluoride compounds, chiral building blocks, and heterocyclic compounds. We can provide our customers with ...

Company type: Bulk chemical supplier

Country: P.R.China
Phone: +86-577-64498589
Telefax: +86-577-56994596

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BIOZOL Diagnostica Vertrieb GmbH

Company type: Supplier of chemical products

Chemos®, a subsidiary of BIOZOL Diagnostica Vertrieb GmbH, is a leading supplier of ready to use solutions for the lab and chemical industry. We are producing reagents and standards for the analytical lab and supplying raw materials for the chemical and pharmaceutical industry. The base of our solutions are a portfolio of ~ 200.000 raw materials where ~ 50.000 are already available for R+D ready to order in our shop. BIOZOL Diagnostica Vertrieb GmbH also offers Mercaptopropanediol. We are supplying and producing lab quantities from tiny qua ...

Country: Germany Phone: +49-871-966346-0 Telefax: +49-871-966346-13

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BuGuCh & Partners

Company type: Producer

Country: Germany

We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production sites in Europe, Asia and South America. Our global network is a strength. Our products range from natural gas, oil and basic chemi ...

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Safety Information

Hazard Symbols: Xi, Xn

Europe standard Hazard pictograms, code and definition

Hazard Classes:

6.1(b)

Hazardous Substances Data:

Non-Regulated Material ¹

Risk Codes:

36/37/38-20/21/22 (R)

Safety Codes:

26-36-24/25 (S)

WGK Germany:

RID / ADR:

2811

RTECS:

NL7873000

Storage temperature:

Store at RT.

What other providers are available for CAS 91-56-5?

In addition to the providers presented here for 2,3-Indolinedione with the CAS number 91-56-5, there are other 77 providers with slightly different product names available for this CAS number.

Isatin

Isatin, Reag.

+1 additional providers that we know from the past

2,3-Diketoindoline

H&Z Industry Co.,Ltd

1H-Indole-2,3-dione

+5 additional providers that we know from the past

Isatin (Indole-2,3-dione)

+2 additional providers that we know from the past