4-Aminobenzene sulfonic acid

BGC Id:	142135830688
CAS No:	121-57-3
Synonyms:
Molecular Formula:	C6H7NO3S
Molecular Weight:	173.19
EINECS:	204-482-5

2025 - The most valued supplier

The following 2 notable providers have been checked and can be recommended.

Carbone Scientific

BIOZOL Diagnostica Vertrieb

What other providers are available for CAS 121-57-3?

The last intensive check and update was carried out on 2025/10/16.

CAS:

121-57-3

EINECS:

204-482-5

Molecular Formula:

C6H7NO3S

MDL:

MFCD00007886

Properties

Molecular Weight:

173.19 g·mol−1

Density:

1.49 g/cm³ at 20° C

Melting point:

>300° C (lit.)

Boiling point:

~300°C Decomposes below boiling point.

Suppliers

Carbone Scientific Co., Ltd.

Company type: Supplier

Carbone scientific is located at London, UK. We are mainly engaged in the marketing development, R&D, technical support and service. We supply our chemical product 2'-Chloro-4'-fluoroacetophenone. Carbone scientific provides fine chemicals, pharmaceutical intermediates, and active pharmaceutical ingredients to the global marketplaces. Our aim is to make those most popular products available to these pharmaceutical and biotech companies, research organizations and university labs worldwide. Our online catalogue has already listed over 50 ...

Country: U.K. Phone: +44 (0)203 769 4441 ext 1 Telefax: +44 (0)203 769 4441 ext 2

INQUIRY | ORDER

BIOZOL Diagnostica Vertrieb GmbH

Company type: Supplier of chemical products

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

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. We are supplier of 1,2,3,4,6-Penta-o-acetyl-D-mannopyranose. We are supplying and producing lab quantities from tiny qua ...

INQUIRY | ORDER

What other providers are available for CAS 121-57-3?

In addition to the providers presented here for 4-Aminobenzene sulfonic acid with the CAS number 121-57-3, there are other 99 providers with slightly different product names available for this CAS number.

Sulfanilic acid

Sulfanilic acid, Reag.

Richman Chemical Inc., | BuGuCh & Partners +4 additional providers that we know from the past

p-Aminobenzenesulfonic acid

Simagchem Corporation | Xiamen Equation Chemical Co.,Ltd | BuGuCh & Partners +6 additional providers that we know from the past

1-Aminobenzene-4-sulfonic acid

+2 additional providers that we know from the past

Sulfadimethoxine EP Impurity D

+1 additional providers that we know from the past