4-methyl-1,3,2-dioxathiane 2-oxide - ≥96% , CAS No.4426-51-1

CAS: 4426-51-1 Cat. No.: M120341 Molecular Weight: 136.171 EC Number: 224-608-2
AVAILABLE TO ORDER
GRADE & PURITY ≥96%
Synonyms
4-Methyltrimethylene sulfite | 4-Methyl-trimethylene sulfite | AS-61760 | 67XN5096N4 | 4-methyl-[1,3,2]dioxathiane 2-oxide | 1,2-Dioxathiane, 4-methyl-, 2-oxide | 1,2-Dioxathiane, 4-methyl, 2-oxide | NCIOpen2_007294 | NSC 104116 | BUTANEDIOL CYCLIC SULFIT
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
M120341-50mg
3

$105.90

$124.90
Save $19.00 (15.21%)
250mg
M120341-250mg
2

$325.90

$423.90
Save $98.00 (23.12%)
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥96% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
4-Methyltrimethylene sulfite | 4-Methyl-trimethylene sulfite | AS-61760 | 67XN5096N4 | 4-methyl-[1, 3, 2]dioxathiane 2-oxide | 1, 2-Dioxathiane, 4-methyl-, 2-oxide | 1, 2-Dioxathiane, 4-methyl, 2-oxide | NCIOpen2_007294 | NSC 104116 | BUTANEDIOL CYCLIC SULFIT
Specifications & Purity
≥96%
Storage
Room temperature
Shipped In
Normal
Purity
≥96%
Names and Identifiers
Canonical SmilesCC1CCOS(=O)O1
IUPAC Name4-methyl-1,3,2-dioxathiane 2-oxide
InChIKeyWGMZCGUVEQNCCE-UHFFFAOYSA-N
INCHI1S/C4H8O3S/c1-4-2-3-6-8(5)7-4/h4H,2-3H2,1H3
Isomeric SMILES CC1CCOS(=O)O1
Molecular Weight 136.171
Reaxy-Rn 1237514
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1237514&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassDioxathiolanes
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentDioxathiolanes
Alternative Parents Sulfite esters  Oxacyclic compounds  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Dioxathiolane - Sulfite ester - Oxacycle - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as dioxathiolanes. These are organic heterocyclic compounds containing a dioxathiolane, with a structure consisting of a five-membered saturated ring with one sulfur atom, two oxygen atoms, and two carbon atoms.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

2 results found

Lot NumberCertificate TypeDateItem
B1912024Certificate of AnalysisMar 09, 2026 M120341
L2405148Certificate of AnalysisDec 13, 2024 M120341
Chemical and Physical Properties
Flash Point(°F)69.3±18.7 ℃
Flash Point(°C)69.3±18.7 ℃
Boil Point(°C)185℃
Melt Point(°C)5℃
Molecular Weight136.170 g/mol
XLogP30.800
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass136.019 Da
Monoisotopic Mass136.019 Da
Topological Polar Surface Area54.700 Ų
Heavy Atom Count8
Formal Charge0
Complexity103.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count2
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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