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VAQORACHEMICALS
API ImpuritiesReference StandardAvailable on request

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-

CAS No.33263-44-4
FormulaC5H3Cl2NO2S
Mol. weight212.05
Catalogue No.VQ-041087
PurityReference Standard
HSN38229090

4-Chloropyridine-3-sulfonyl chloride (CAS 33263-44-4) – API impurity reference standard. C5H3Cl2NO2S, MW 212.05. Vaqora Chemicals: COA, global shipping.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

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

Chemical identifiers
Product name4-Chloropyridine-3-sulfonyl chloride
Catalogue No.VQ-041087
CAS Number33263-44-4
IUPAC name4-chloropyridine-3-sulfonyl chloride
Molecular formulaC5H3Cl2NO2S
Molecular weight212.05 g/mol
Exact mass210.9262
GradeReference Standard
HSN code38229090
InChIKeyKCNWYJPUGJYMNO-UHFFFAOYSA-N
SMILESC1=CN=CC(=C1Cl)S(=O)(=O)Cl
PubChem CID6422223
Physical properties
Physical formSolid
LogP (XLogP3)1.5
H-bond donors / acceptors0 / 3
TPSA55.4 Ų
Synonyms4-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)

GHS05 Corrosive
Corrosive
GHS07 Harmful / irritant
Harmful / irritant

Signal word: Danger

Hazard statements

  • 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 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

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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