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4-Chloro-3-nitrophenyl isocyanate

BGC Id:	860296020995
CAS No:	40397-96-4
Synonyms:	1-chloro-4-isocyanato-2-nitrobenzene ; 1-chloro-4-isocyanato-2-nitrobenzene, 2-chloro-5-isocyanatonitrobenzene ; 4-chloro-3-nitrophenyl isocyanate ; 4-chloro-3-nitrophenyl isocyanate 98% ; isocyanic acid 4-chloro-3-nitrophenyl ester
Molecular Formula:	C7H3ClN2O3
Molecular Weight:	198.56
EINECS:

The most competitive supplier in 2025

The following notable provider has been checked and can be recommended.

Leap Chem Co., Ltd

Company type: Bulk and laboratory supplier

Phone: +852-30606658
Country: P.R.China

LEAPChem, a specialized fine chemicals supplier for research, development and production. LEAPChem provides nearly 50,000 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 se ...

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What other providers are available for CAS 40397-96-4?

The last intensive check and update was carried out on 2025/09/28.

Identify

Synonyms:

1-chloro-4-isocyanato-2-nitrobenzene ; 1-chloro-4-isocyanato-2-nitrobenzene, 2-chloro-5-isocyanatonitrobenzene ; 4-chloro-3-nitrophenyl isocyanate ; 4-chloro-3-nitrophenyl isocyanate 98% ; isocyanic acid 4-chloro-3-nitrophenyl ester

CAS:

40397-96-4

EINECS:

Molecular Formula:

C7H3ClN2O3

MDL:

SMILES:

Clc1ccc2c(S)cc(nc2c1)C(=O)O.Cl

Properties

Molecular Weight:

198.56 g·mol−1

Melting point:

65 °C

Safety Information

Hazard Symbols: Xi, Xn

Europe standard Hazard pictograms, code and definition

Hazard Classes:

6.1

Hazardous Substances Data:

Non-Regulated Material ¹

Risk Codes:

23/24/25-36/37/38-42/43-20/21/22 (R)

Safety Codes:

22-26-36/37/39-45-36 (S)

RID / ADR:

2811

The following providers cannot be verified precisely. The companies have offered the product in the past, but despite all care, the companies could not confirm it 100 percent!

Santa Cruz Biotechnology, Inc.

Santa Cruz Biotechnology, Inc. now offers over 140,000 specialty biochemicals under our ChemCruz™ brand. Santa Cruz Biotechnology, Inc. is focused... Request

What other providers are available for CAS 40397-96-4?

In addition to the providers presented here for 4-Chloro-3-nitrophenyl isocyanate with the CAS number 40397-96-4, there are other 8 providers with slightly different product names available for this CAS number.

4-Chloro-3-nitroisocyanatobenzene

Dayang Chem (Hangzhou) Co.,Ltd. | BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +2 additional providers that we know from the past

Isocyanic acid 4-chloro-3-nitrophenyl ester

+3 additional providers that we know from the past