(3R,4S)-3-[(Triethylsilyl)oxy]-4-phenyl-2-azetidinone - ≥95% , CAS No.149140-54-5

CAS: 149140-54-5 Cat. No.: R1339860 Molecular Weight: 277.43
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Storage
Room temperature
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
R1339860-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$83.90
5g
R1339860-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$245.90
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

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

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Quality documents

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

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Literature proof

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

Specifications

Specifications & Purity
≥95%
Storage
Room temperature
Purity
≥95%
Names and Identifiers
Canonical SmilesCC[Si](CC)(CC)O[C@@H]1[C@@H](NC1=O)C2=CC=CC=C2
IUPAC Name(3R,4S)-4-phenyl-3-triethylsilyloxyazetidin-2-one
InChIKeyFZWHCVWKYWKZHE-UONOGXRCSA-N
INCHI1S/C15H23NO2Si/c1-4-19(5-2,6-3)18-14-13(16-15(14)17)12-10-8-7-9-11-12/h7-11,13-14H,4-6H2,1-3H3,(H,16,17)/t13-,14+/m0/s1
Molecular Weight 277.43

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
ClassLactams
SubclassBeta lactams
Intermediate Tree Nodes Not available
Direct ParentMonobactams
Alternative Parents Phenylazetidines  Benzene and substituted derivatives  Trialkylheterosilanes  Silyl ethers  Secondary carboxylic acid amides  Organic metalloid salts  Azacyclic compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Monobactam - 2-phenylazetidine - Monocyclic benzene moiety - Benzenoid - Trialkylheterosilane - Azetidine - Carboxamide group - Secondary carboxylic acid amide - Silyl ether - Organoheterosilane - Carboxylic acid derivative - Azacycle - Organic metalloid salt - Organooxygen compound - Organonitrogen compound - Organic metalloid moeity - Organic oxide - Organic nitrogen compound - Hydrocarbon derivative - Organic oxygen compound - Organosilicon compound - Carbonyl group - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as monobactams. These are compounds comprising beta-lactam ring is alone and not fused to another ring.
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:
Chemical and Physical Properties
Molecular Weight277.430 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count6
Exact Mass277.15 Da
Monoisotopic Mass277.15 Da
Topological Polar Surface Area38.300 Ų
Heavy Atom Count19
Formal Charge0
Complexity303.000
Isotope Atom Count0
Defined Atom Stereocenter Count2
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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