N`-(Tert-butyl)-3-methoxy-2-methyl-N`-(3-methylbenzoyl)benzohydrazide
- CAS
- 163336-51-4
- Formula
- C21H26N2O3
- MW
- 354.4 g/mol
ZX-041340
API Process Intermediates & Related Compounds
4-Chloro-3-nitrobenzenesulfonic acid
Available on request
Order 4-Chloro-3-nitrobenzenesulfonic acid (CAS 121-18-6) online at Zemixal. Request a quote with price, lead time and documents.
CAS number121-18-6
FormulaC6H4ClNO5S
Molar mass237.62 g/mol
Physical formSolid
InChIKeyRPKWNMFDAOACCX-UHFFFAOYSA-N
IUPAC name4-chloro-3-nitrobenzenesulfonic acid
About 4-Chloro-3-nitrobenzenesulfonic acid
4-Chloro-3-nitrobenzenesulfonic acid is part of the Zemixal API Process Intermediates & Related Compounds range. Key data: CAS 121-18-6, formula C6H4ClNO5S and molar mass 237.62 g/mol. It is handled as a solid.
Where it is used
- API route development
- Impurity fate & purge studies
- Analytical method development
Handling and storage
No GHS classification is recorded for this item, but handle it with normal laboratory care.
Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Reference standards for Ascorbic acid
See every impurity, metabolite and related compound we list for this API.
Ascorbic acid standardsTypical uses
- API route development
- Impurity fate & purge studies
- Analytical method development
Applications
Specifications and identifiers
| Product name | 4-Chloro-3-nitrobenzenesulfonic acid |
|---|---|
| Catalogue number | ZX-041297 |
| CAS number | 121-18-6 |
| IUPAC name | 4-chloro-3-nitrobenzenesulfonic acid |
| Molecular formula | C6H4ClNO5S |
| Molar mass | 237.62 g/mol |
| Exact mass | 236.9499 |
| Physical form | Solid |
| XLogP3 | 1 |
| H-bond donors / acceptors | 1 / 5 |
| Topological polar surface area | 109 Ų |
| InChIKey | RPKWNMFDAOACCX-UHFFFAOYSA-N |
| SMILES | C1=CC(=C(C=C1S(=O)(=O)O)[N+](=O)[O-])Cl |
| PubChem CID | 67132 |
| Synonyms | Benzenesulfonic acid, 4-chloro-3-nitro-, o-Nitrochlorobenzene-p-sulfonic acid, 2-Nitrochlorobenzene-4-sulfonic acid, Benzenesulfonic acid,4-chloro-3-nitro-, 4-chloro-3-nitrobenzene-1-sulfonic acid, 3-Nitro-4-chlorobenzenesulfonic acid, 4-Chloro-3-nitrobenzenesulphonic acid, 2-Nitrochlorbenzol-4-sulfosaure, 1-Chloro-2-nitrobenzene-4-sulfonic acid, 4-chloro-3-nitrobenzene-1-sulphonic acid |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.
Pack sizes
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about 4-Chloro-3-nitrobenzenesulfonic acid
Which CAS number identifies 4-Chloro-3-nitrobenzenesulfonic acid?
4-Chloro-3-nitrobenzenesulfonic acid is registered under CAS 121-18-6. You may also see it listed as Benzenesulfonic acid, 4-chloro-3-nitro-, o-Nitrochlorobenzene-p-sulfonic acid, 2-Nitrochlorobenzene-4-sulfonic acid. Our catalogue number for this item is ZX-041297.
What are the formula and molar mass of 4-Chloro-3-nitrobenzenesulfonic acid?
For 4-Chloro-3-nitrobenzenesulfonic acid, its formula is C6H4ClNO5S and its molar mass is 237.62 g/mol. The systematic (IUPAC) name is 4-chloro-3-nitrobenzenesulfonic acid. InChIKey RPKWNMFDAOACCX-UHFFFAOYSA-N lets you match it in any structure database.
How is 4-Chloro-3-nitrobenzenesulfonic acid used in pharmaceutical QC?
4-Chloro-3-nitrobenzenesulfonic acid is a characterised reference material linked to Ascorbic acid. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for 4-Chloro-3-nitrobenzenesulfonic acid?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 4-Chloro-3-nitrobenzenesulfonic acid?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 4-Chloro-3-nitrobenzenesulfonic acid to my country?
Yes. 4-Chloro-3-nitrobenzenesulfonic acid ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.
More Ascorbic acid standards
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