4,4-Dibromo-2,4-dihydro-5-methyl-3H-pyrazol-3-one
- CAS
- 33549-66-5
- Formula
- C4H4Br2N2O
- MW
- 255.9 g/mol
ZX-035822
API Impurities
4-Chloropyridine-3-sulfonyl chloride
Reference StandardAvailable on request
4-Chloropyridine-3-sulfonyl chloride (CAS 33263-44-4) supplier Zemixal. Request a quote with price, lead time and documents.
CAS number33263-44-4
FormulaC5H3Cl2NO2S
Molar mass212.05 g/mol
Physical formSolid
HS code38229090
InChIKeyKCNWYJPUGJYMNO-UHFFFAOYSA-N
IUPAC name4-chloropyridine-3-sulfonyl chloride
About 4-Chloropyridine-3-sulfonyl chloride
Zemixal supplies 4-Chloropyridine-3-sulfonyl chloride within its impurities & Reference Standards portfolio. For your records (Reference Standard), the material is defined by CAS 33263-44-4, formula C5H3Cl2NO2S and molar mass 212.05 g/mol. It is handled as a solid.
Use cases we see most often
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Safe handling
It carries the GHS signal word Danger (H302, H314 and H335), so wear gloves and eye protection and work with good ventilation.
Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Applications
Specifications and identifiers
| Product name | 4-Chloropyridine-3-sulfonyl chloride |
|---|---|
| Catalogue number | ZX-035819 |
| CAS number | 33263-44-4 |
| IUPAC name | 4-chloropyridine-3-sulfonyl chloride |
| Molecular formula | C5H3Cl2NO2S |
| Molar mass | 212.05 g/mol |
| Exact mass | 210.9262 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 1.5 |
| H-bond donors / acceptors | 0 / 3 |
| Topological polar surface area | 55.4 Ų |
| HS code | 38229090 |
| InChIKey | KCNWYJPUGJYMNO-UHFFFAOYSA-N |
| SMILES | C1=CN=CC(=C1Cl)S(=O)(=O)Cl |
| PubChem CID | 6422223 |
| Synonyms | 4-Chloro-3-Pyridine-sulfonyl-chloride, 4-Chloro-3-pyridinesulfonylchloride, 3-Pyridinesulfonylchloride, 4-chloro-, 3-Pyridinesulfonyl chloride, 4-chloro-, 4-chloropyridine-3-sulphonic acid chloride |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
- H335May cause respiratory irritation
Precautionary statements P260, P261, P264, P270, P271, P280, P301 + P317, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P319, P321, P330, P363, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
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-Chloropyridine-3-sulfonyl chloride
Which CAS number identifies 4-Chloropyridine-3-sulfonyl chloride?
4-Chloropyridine-3-sulfonyl chloride is registered under CAS 33263-44-4. You may also see it listed as 4-Chloro-3-Pyridine-sulfonyl-chloride, 4-Chloro-3-pyridinesulfonylchloride, 3-Pyridinesulfonylchloride, 4-chloro-. Our catalogue number for this item is ZX-035819.
What are the formula and molar mass of 4-Chloropyridine-3-sulfonyl chloride?
For 4-Chloropyridine-3-sulfonyl chloride, its formula is C5H3Cl2NO2S and its molar mass is 212.05 g/mol. The systematic (IUPAC) name is 4-chloropyridine-3-sulfonyl chloride. InChIKey KCNWYJPUGJYMNO-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for 4-Chloropyridine-3-sulfonyl chloride?
This listing is Reference Standard grade. 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-Chloropyridine-3-sulfonyl chloride?
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-Chloropyridine-3-sulfonyl chloride to my country?
Yes. Because 4-Chloropyridine-3-sulfonyl chloride is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
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