5,5-dimethyl-1,3,2-dioxathiane 2-oxide - ≥98% , CAS No.1003-85-6

CAS: 1003-85-6 Cat. No.: D301920 Molecular Weight: 150.196
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
2-oxo-5,5-dimethyl-1,3,2-dioxathiane | 5,6-Dihydro-5,5-dimethyl-4H-1,3,2-dioxathiin 2-oxide | 5,5-dimethyl-1,3,2-dioxathiane 2-oxide | BS-52428 | MBWNQWVADQDHDU-UHFFFAOYSA-N | SCHEMBL2158878 | 5,5-Dimethyl-1,3,2lambda4-dioxathian-2-one | 5,5-Dimethyl-[1,3
Storage
Room temperature
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
D301920-25g
4

$138.90

$162.90
Save $24.00 (14.73%)
100g
D301920-100g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$344.90

$447.90
Save $103.00 (23.00%)
500g
D301920-500g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$1,147.90

$1,339.90
Save $192.00 (14.33%)
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships 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
2-oxo-5, 5-dimethyl-1, 3, 2-dioxathiane | 5, 6-Dihydro-5, 5-dimethyl-4H-1, 3, 2-dioxathiin 2-oxide | 5, 5-dimethyl-1, 3, 2-dioxathiane 2-oxide | BS-52428 | MBWNQWVADQDHDU-UHFFFAOYSA-N | SCHEMBL2158878 | 5, 5-Dimethyl-1, 3, 2lambda4-dioxathian-2-one | 5, 5-Dimethyl-[1, 3
Specifications & Purity
≥98%
Storage
Room temperature
Purity
≥98%
Names and Identifiers
Pubchem Sid504765671
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504765671
Canonical SmilesCC1(COS(=O)OC1)C
IUPAC Name5,5-dimethyl-1,3,2-dioxathiane 2-oxide
InChIKeyMBWNQWVADQDHDU-UHFFFAOYSA-N
INCHI1S/C5H10O3S/c1-5(2)3-7-9(6)8-4-5/h3-4H2,1-2H3
Isomeric SMILES CC1(COS(=O)OC1)C
UN Number 1760
Packing Group III
Molecular Weight 150.196
Reaxy-Rn 1237699
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1237699&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.

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🔬 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.

3 results found

Lot NumberCertificate TypeDateItem
H2025193Certificate of AnalysisJun 13, 2024 D301920
H2025192Certificate of AnalysisJun 13, 2024 D301920
G2306076Certificate of AnalysisJul 13, 2023 D301920
Chemical and Physical Properties
Molecular Weight150.200 g/mol
XLogP31.200
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass150.035 Da
Monoisotopic Mass150.035 Da
Topological Polar Surface Area54.700 Ų
Heavy Atom Count9
Formal Charge0
Complexity120.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
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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