Methyl 5-chloro-3-(chlorosulfonyl)-2-thiophen… 126910-68-7

Name: Methyl 5-chloro-3-(chlorosulfonyl)-2-thiophenecarboxylate
Brand: Vaqora Chemicals
SKU: VQ-042431

About Methyl 5-chloro-3-(chlorosulfonyl)-2-thiophenecarboxylate

Methyl 5-chloro-3-(chlorosulfonyl)-2-thiophenecarboxylate is a sulfur heterocycle carrying the CAS registry number 126910-68-7. The compound has the formula C6H4Cl2O4S2, corresponding to a molecular weight of 275.1 g/mol. Systematically, it is named methyl 5-chloro-3-chlorosulfonylthiophene-2-carboxylate. Common synonyms include Methyl-5-chloro.

Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Methyl 5-chloro-3-(chlorosulfonyl)-2-thiophenecarboxylate in 100 mg, 250 mg, 1 g and 5 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. SDS and detailed specification sheets can be requested with your quotation. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methyl 5-chloro-3-(chlorosulfonyl)-2-thiophenecarboxylate
Catalogue No.	VQ-042431
CAS Number	126910-68-7
IUPAC name	methyl 5-chloro-3-chlorosulfonylthiophene-2-carboxylate
Molecular formula	C₆H₄Cl₂O₄S₂
Molecular weight	275.1 g/mol
Exact mass	273.8928
InChIKey	GDKPWFMFFKPATJ-UHFFFAOYSA-N
SMILES	COC(=O)C1=C(C=C(S1)Cl)S(=O)(=O)Cl
PubChem CID	10869516

Physical properties
Physical form	Other
LogP (XLogP3)	2.8
H-bond donors / acceptors	0 / 5
TPSA	97.1 Å²
Synonyms	Methyl 5-chloro-3-(chlorosulfonyl)thiophene-2-carboxylate, Methyl 5-Chloro-3-chlorosuphonylthiophene-2-carboxylate, Methyl 5-chloro-3-chlorosulfonyl-thiophene-2-carboxylate, 2-Thiophenecarboxylic acid, 5-chloro-3-(chlorosulfonyl)-, methyl ester, Methyl-5-chloro

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H317May cause an allergic skin reaction
H318Causes serious eye damage
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P261, P264 + P265, P272, P273, P280, P302 + P352, P305 + P354 + P338, P317, P321, P333 + P317, P362 + P364, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Methyl 5-chloro-3-(chlorosulfonyl)-2-thiophenecarboxylate?

The CAS Registry Number of Methyl 5-chloro-3-(chlorosulfonyl)-2-thiophenecarboxylate is 126910-68-7. It is also known as Methyl 5-chloro-3-(chlorosulfonyl)thiophene-2-carboxylate, Methyl 5-Chloro-3-chlorosuphonylthiophene-2-carboxylate, Methyl 5-chloro-3-chlorosulfonyl-thiophene-2-carboxylate.

What is the molecular formula and molecular weight of Methyl 5-chloro-3-(chlorosulfonyl)-2-thiophenecarboxylate?

Methyl 5-chloro-3-(chlorosulfonyl)-2-thiophenecarboxylate has the molecular formula C6H4Cl2O4S2 and a molecular weight of 275.1 g/mol. Its IUPAC name is methyl 5-chloro-3-chlorosulfonylthiophene-2-carboxylate.

Which grade and pack sizes of Methyl 5-chloro-3-(chlorosulfonyl)-2-thiophenecarboxylate can I order?

We supply Methyl 5-chloro-3-(chlorosulfonyl)-2-thiophenecarboxylate, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methyl 5-chloro-3-(chlorosulfonyl)-2-thiophenecarboxylate?

Yes. Every lot of Methyl 5-chloro-3-(chlorosulfonyl)-2-thiophenecarboxylate 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 Methyl 5-chloro-3-(chlorosulfonyl)-2-thiophenecarboxylate be shipped internationally?

Yes. Methyl 5-chloro-3-(chlorosulfonyl)-2-thiophenecarboxylate 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.