3-Methyl-3-(methylsulfonyl)but-1-yne

3-Methyl-3-(methylsulfonyl)but-1-yne structure

CAS No.: 2109226-54-0

Chemical Name:: 3-Methyl-3-(methylsulfonyl)but-1-yne

Synonyms: 3-methanesulfonyl-3-methylbut-1-yne;3-Methyl-3-(methylsulfonyl)but-1-yne;3-Methyl-3- (methylsulfonyl) -1-butyne;1-Butyne, 3-methyl-3-(methylsulfonyl)-;3-Methyl-1-3-（methylsulfonyl）but-1-yne;3-methyl-3-(Methylsulfonyl)Man-1-Alkyne;3-Methyl-3- (methylsulfonyl) butan-1-yne

CBNumber:: CB15864752

Molecular Formula:: C6H10O2S

Molecular Weight:: 146.21

MDL Number:: MFCD32840678

MOL File:: 2109226-54-0.mol

MSDS File:: SDS

Last updated:2026-03-18 11:52:23

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3-Methyl-3-(methylsulfonyl)but-1-yne Properties

Boiling point	253.9±23.0 °C(Predicted)
Density	1.104±0.06 g/cm3(Predicted)
InChI	InChI=1S/C6H10O2S/c1-5-6(2,3)9(4,7)8/h1H,2-4H3
InChIKey	TVWUIROEZGTISF-UHFFFAOYSA-N
SMILES	C#CC(C)(S(C)(=O)=O)C

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302-H315-H319-H335
Precautionary statements	P280-P305+P351+P338

3-Methyl-3-(methylsulfonyl)but-1-yne Chemical Properties,Uses,Production

Uses

3-Methyl-3-(methylsulfonyl)but-1-yne is an intermediate component of Lenacapavir. Lenacapavir is an antiviral injection used for the prevention of human immunodeficiency virus (HIV) infection and for HIV treatment.

3-Methyl-3-(methylsulfonyl)but-1-yne Preparation Products And Raw materials

Raw materials

Preparation Products

3-Methyl-3-(methylsulfonyl)but-1-yne Suppliers

Global( 85)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Unibest Industrial Co.,Ltd.	+86-0574-27855777 +8618758850676	info@unibestcn.com	China	271	58
ChemExpress	+86-19370970350 +86-021-58950125	info@chemexpress.com	China	788	58
Shanghai Daken Advanced Materials Co.,Ltd	+86-2158073036	info@dakenam.com	China	13843	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49977	58
Hangzhou MolCore BioPharmatech Co.,Ltd.	+86-057181025280; +8617767106207	sales@molcore.com	China	49734	58
Chemtour Biotech Co., Ltd	+8617327281506	market@chemtour.com	China	1521	58
Nanjing Bicbiotechnology Co., Ltd	+86-2552131256 +86-18251840740	sales@bicbiotech.com	China	5994	58
Shaanxi Cuikang Pharmaceutical Technology Co., Ltd	+8618791163155	18791163155@163.com	China	3397	58
Aladdin Scientific		tp@aladdinsci.com	United States	52923	58
Suzhou ARTK Medchem Co., Ltd.	+8618118463618	sales1@artkmedchem.com	China	39021	58

Supplier	Advantage
Unibest Industrial Co.,Ltd.	58
ChemExpress	58
Shanghai Daken Advanced Materials Co.,Ltd	58
CONIER CHEM AND PHARMA LIMITED	58
Hangzhou MolCore BioPharmatech Co.,Ltd.	58
Chemtour Biotech Co., Ltd	58
Nanjing Bicbiotechnology Co., Ltd	58
Shaanxi Cuikang Pharmaceutical Technology Co., Ltd	58
Aladdin Scientific	58
Suzhou ARTK Medchem Co., Ltd.	58

View Lastest Price from 3-Methyl-3-(methylsulfonyl)but-1-yne manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2025-12-17	3-Methyl-3-(methylsulfonyl)but-1-yne 2109226-54-0	US $0.00 / kg	1kg	99%	10000KGS	Shaanxi Dideu New Materials Co. Ltd

3-Methyl-3-(methylsulfonyl)but-1-yne
2109226-54-0
US $0.00 / kg
99%
Shaanxi Dideu New Materials Co. Ltd

3-Methyl-3-(methylsulfonyl)but-1-yne Spectrum

3-Methyl-3-(methylsulfonyl)but-1-yne(2109226-54-0)¹HNMR

3-Methyl-3-(methylsulfonyl)but-1-yne 1-Butyne, 3-methyl-3-(methylsulfonyl)- 3-methanesulfonyl-3-methylbut-1-yne 3-Methyl-3- (methylsulfonyl) -1-butyne 3-Methyl-3- (methylsulfonyl) butan-1-yne 3-Methyl-1-3-（methylsulfonyl）but-1-yne 3-methyl-3-(Methylsulfonyl)Man-1-Alkyne 2109226-54-0