- CAS
- 33549-66-5
- Formula
- C4H4Br2N2O
- MW
- 255.9 g/mol
4-Chloropyridine-3-sulfonyl chloride
Synonyms: 4-Chloro-3-Pyridine-sulfonyl-chloride · 4-Chloro-3-pyridinesulfonylchloride · 3-Pyridinesulfonylchloride, 4-chloro- · 3-Pyridinesulfonyl chloride, 4-chloro-
4-Chloropyridine-3-sulfonyl chloride (CAS 33263-44-4) – API impurity reference standard. C5H3Cl2NO2S, MW 212.05. Vaqora Chemicals: COA, global shipping.
About 4-Chloropyridine-3-sulfonyl chloride
Vaqora Chemicals supplies 4-Chloropyridine-3-sulfonyl chloride, an API impurity reference standard registered under CAS number 33263-44-4. Its molecular formula is C5H3Cl2NO2S and its molecular weight is 212.05 g/mol. It is also known as 4-Chloro-3-Pyridine-sulfonyl-chloride or 4-Chloro-3-pyridinesulfonylchloride.
It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.
As a characterised impurity of the parent drug substance, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.
Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 4-Chloropyridine-3-sulfonyl chloride is dispatched with a Certificate of Analysis (COA) to destinations worldwide.
Typical applications
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Industries
Specifications & identifiers
| Product name | 4-Chloropyridine-3-sulfonyl chloride |
|---|---|
| Catalogue No. | VQ-041087 |
| CAS Number | 33263-44-4 |
| IUPAC name | 4-chloropyridine-3-sulfonyl chloride |
| Molecular formula | C5H3Cl2NO2S |
| Molecular weight | 212.05 g/mol |
| Exact mass | 210.9262 |
| Grade | Reference Standard |
| HSN code | 38229090 |
| InChIKey | KCNWYJPUGJYMNO-UHFFFAOYSA-N |
| SMILES | C1=CN=CC(=C1Cl)S(=O)(=O)Cl |
| PubChem CID | 6422223 |
| Physical form | Solid |
|---|---|
| LogP (XLogP3) | 1.5 |
| H-bond donors / acceptors | 0 / 3 |
| TPSA | 55.4 Ų |
| 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 |
Safety & hazard information (GHS)
Signal word: Danger
Hazard statements
H302Harmful if swallowedH314Causes severe skin burns and eye damageH335May 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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of 4-Chloropyridine-3-sulfonyl chloride?
The CAS Registry Number of 4-Chloropyridine-3-sulfonyl chloride is 33263-44-4. It is also known as 4-Chloro-3-Pyridine-sulfonyl-chloride, 4-Chloro-3-pyridinesulfonylchloride, 3-Pyridinesulfonylchloride, 4-chloro-.
What is the molecular formula and molecular weight of 4-Chloropyridine-3-sulfonyl chloride?
4-Chloropyridine-3-sulfonyl chloride has the molecular formula C5H3Cl2NO2S and a molecular weight of 212.05 g/mol. Its IUPAC name is 4-chloropyridine-3-sulfonyl chloride.
Which grade and pack sizes of 4-Chloropyridine-3-sulfonyl chloride can I order?
We supply 4-Chloropyridine-3-sulfonyl chloride in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with 4-Chloropyridine-3-sulfonyl chloride?
Yes. Every lot of 4-Chloropyridine-3-sulfonyl chloride is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can 4-Chloropyridine-3-sulfonyl chloride be shipped internationally?
Yes. 4-Chloropyridine-3-sulfonyl chloride is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about 4-Chloropyridine-3-sulfonyl chloride
We reply within one business day with price, pack options, lead time and documentation.